A method includes forming Magnetic Tunnel Junction (MTJ) stack layers, which includes depositing a bottom electrode layer; depositing a bottom magnetic electrode layer over the bottom electrode layer; depositing a tunnel barrier layer over the bottom magnetic electrode layer; depositing a top magnetic electrode layer over the tunnel barrier layer; and depositing a top electrode layer over the top magnetic electrode layer. The method further includes patterning the MTJ stack layers to form a MTJ; and performing a passivation process on a sidewall of the MTJ to form a protection layer. The passivation process includes reacting sidewall surface portions of the MTJ with a process gas comprising elements selected from the group consisting of oxygen, nitrogen, carbon, and combinations thereof.
A method of forming a piezoelectric film can include providing a wafer in a CVD reaction chamber and forming an aluminum nitride material on the wafer, the aluminum nitride material doped with a first element E1 selected from group IIA or from group IIB and doped with a second element E2 selected from group IVB to provide the aluminum nitride material comprising a crystallinity of less than about 1.5 degree at Full Width Half Maximum (FWHM) to about 10 arcseconds at FWHM measured using X-ray diffraction (XRD).
A thermal conduction unit includes a conductive via, a periphery conductor and an isolation material. The conductive via includes a first thermoelectric material. The periphery conductor encloses the conductive via and includes a second thermoelectric material. An end of the periphery conductor is electrically connected to an end of the conductive via. The isolation material is interposed between the conductive via and the periphery conductor.
An organic electroluminescence device of one or more embodiments includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency:
wherein at least one of n1 to n6 is 1.
A method for manufacturing a display device including a light-emitting element, the method includes: storing, in a manufacturing process of the display device, a plurality of abutting positions where a back face of a support substrate locally abuts a manufacturing apparatus; forming, on a surface of the support substrate on a side on which the light-emitting element is to be formed, a peeling layer at a position opposing at least one position of the plurality of abutting positions stored; forming, on the support substrate, a resin layer to cover the peeling layer; forming a TFT layer on the resin layer; forming the light-emitting element on the TFT layer; and peeling the support substrate and the resin layer.
The present disclosure provides a display substrate, a method for preparing the same, and a display device. The display substrate includes an insulating pattern whose surface layer is composed of a hydrophobic fluorine-containing material, so the organic ink used to prepare a light emitting layer does not overflow outside a pixel area. The method for preparing the display substrate includes: forming a rheological insulating material layer on the base substrate; curing the rheological insulating material layer, and patterning the cured insulating material layer to obtain an insulating pattern; heating the insulating pattern, to gather the hydrophobic insulating structure on a surface of the insulating pattern away from the base substrate; heating the gathered hydrophobic insulating structure to melt it, and then cooling the molten hydrophobic insulating structure to form a metal pattern on the surface of the insulating pattern.
A display device includes: a semiconductor layer; a gate insulating film; a first display wire; a first interlayer insulating film; a second display wire; a second interlayer insulating film; and a third display wire stacked on a substrate in this order, pixel circuits being provided corresponding to intersections of data signal lines and scanning signal lines included in the third display wire, each of the pixel circuits including a first transistor and a second transistor in which any one of the scanning signal lines overlaps the semiconductor layer through the gate insulating film, one terminal of the first transistor and one terminal of the second transistor are connected together through a connector included in a conductor region of the semiconductor layer, and the connector includes an overlap connector overlapped in a plan view with the data signal lines through a constant potential wires included in the first display wire.
A display panel includes an active area having a pixel area, a wiring area and a transmission area; a transistor layer located on the substrate and including a first display wiring and a second display wiring; a planarization layer located on the transistor layer; a light-emitting device layer located on the planarization layer and including a plurality of light-emitting devices; a first encapsulation layer located on the light-emitting device layer and including a first insulating film; and a touch sensor layer located on the first encapsulation layer and including a third display wiring and a fourth display wiring, wherein the first insulating film does not overlap with the transmission area, wherein the third display wiring is in contact with the first display wiring through a first contact hole, and wherein the fourth display wiring is in contact with the second display wiring through a second contact hole.
A display device includes a substrate having a display area and a non-display area, a pixel electrode, an organic emissive layer, a common electrode, a first inorganic encapsulation layer, an organic encapsulation layer, a second inorganic encapsulation layer, a dam, a bank disposed closer to a peripheral edge of the substrate than the dam, an inorganic encapsulation area, wherein the first inorganic encapsulation layer contacts the second inorganic encapsulation layer in the inorganic encapsulation area, and a first voltage supply line in a bank area where the bank is disposed, and in the inorganic encapsulation area. The first voltage supply line includes a plurality of anti-moisture patterns protruding from one side of the first subsidiary voltage supply line and having at least one of a length and a width in the inorganic encapsulation area respectively different from those of the plurality of anti-moisture patterns in the bank area.
The present disclosure relates to a top emitting AMOLED display panel, a manufacturing method thereof, and a display device. The top emitting AMOLED display panel includes a passivation layer and a protective conductive layer. The passivation layer is sandwiched between an interlayer insulating layer and a planarization layer of the top emitting AMOLED display panel; the protective conductive layer covers a metal layer and side walls of openings. The passivation layer covering the metal layer can physically protect and prevent the metal layer from oxidation, and the protective conductive layer coats the metal layer to prevent the metal layer from being etched or oxidized by anode etching solution.
Provided is a novel method for producing a laminate that serves as an electron transport layer and an optically transparent electrode layer of a perovskite solar cell having, in the following order, an optically transparent electrode layer, an electron transport layer, a perovskite crystal layer, a hole transport layer, and a current collecting layer. The method involves forming a titanium oxide layer that serves as the electron transport layer on a member that serves as the optically transparent electrode layer by utilizing said member for cathode polarization in a treatment liquid containing a Ti component.
There is a disubstituted diaryloxybenzoheterodiazole compound having general formula (I):
This disubstituted diaryloxybenzoheterodiazole compound having general formula (I) may advantageously be used as a spectrum converter in luminescent solar concentrators (“Luminescent Solar Concentrators”—LSCs) which, in turn, are capable of improving the performance of photovoltaic devices (or solar devices) selected, for example, from photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), on either a rigid or flexible support.
A display apparatus includes: a substrate; a pixel circuit layer on the substrate and including a thin-film transistor; a display element layer on the pixel circuit layer and including a display element electrically connected to the thin-film transistor; a color filter layer on the display element layer and including a color filter overlapping the display element and a black matrix having a first side contacting the color filter and a second side extending in an edge direction of the substrate; and a blocking layer between the black matrix and the substrate, wherein a tip end of the blocking layer has no step difference with an end of the black matrix.
A semiconductor memory device includes a first memory cell provided on a substrate, a second memory cell provided on the substrate and spaced apart from the first memory cell, a passivation layer extending along a side surface of the first memory cell and a side surface of the second memory cell, and a gap fill layer covering the passivation layer. Each of the first memory cell and the second memory cell includes a selection pattern having ovonic threshold switching characteristics, and a storage pattern provided on the selection pattern. The passivation layer includes a lower portion filling a space between the selection pattern of the first memory cell and the selection pattern of the second memory cell, and an upper portion extending along a side surface of the storage pattern of each of the first memory cell and the second memory cell.
A nonvolatile storage device includes first interconnections extending in a first direction and second interconnections extending in a second direction intersecting the first direction. Memory cells are formed at intersections between first and second interconnections. Each memory cell includes a resistance change element and a selector. In the arrangement of memory cells, all memory cells that are connected to any particular first interconnection are aligned along that first interconnection, and all memory cells connected to any particular second interconnection are alternately staggered in the first direction across a width of that second interconnection.
A method of forming a three-dimensional (3D) memory device includes: forming, over a substrate, a layer stack having alternating layers of a first conductive material and a first dielectric material; forming trenches extending vertically through the layer stack from an upper surface of the layer stack distal from the substrate to a lower surface of the layer stack facing the substrate; lining sidewalls and bottoms of the trenches with a memory film; forming a channel material over the memory film, the channel material including an amorphous material; filling the trenches with a second dielectric material after forming the channel material; forming memory cell isolation regions in the second dielectric material; forming source lines (SLs) and bit lines (BLs) that extend vertically in the second dielectric material on opposing sides of the memory cell isolation regions; and crystallizing first portions of the channel material after forming the SLs and BLs.
Memory devices and methods of forming the same are provided. A memory device of the present disclosure includes a bottom dielectric layer, a gate structure extending vertically from the bottom dielectric layer, a stack structure, and a dielectric layer extending between the gate structure and the stack structure. The stack structure includes a first silicide layer, a second silicide layer, an oxide layer extending between the first and second silicide layers, a channel region over the oxide layer and extending between the first and second silicide layers, and an isolation layer over the second silicide layer. The first and second silicide layers include cobalt, titanium, tungsten, or palladium.
A silicon-oxide-nitride-oxide-silicon (SONOS) memory cell for FinFET includes a fin, a control gate and a selective metal gate. The fin is on a top surface of a substrate, wherein the fin has two sidewalls and a top surface, and the fin includes a memory region and a logic region. The control gate is disposed over the fin of the memory region and covers the two sidewalls and the top surface of the fin, wherein the control gate includes a charge trapping layer and a control electrode, wherein the charge trapping layer is sandwiched by the fin and the control electrode. The selective metal gate is disposed over the fin adjacent to the control gate and covers the two sidewalls and the top surface of the fin. The present invention also provides a method of forming said silicon-oxide-nitride-oxide-silicon (SONOS) memory cell.
A method used in forming a memory array comprising strings of memory cells comprises forming a conductor tier comprising conductor material on a substrate. Laterally-spaced memory-block regions are formed that individually comprise a vertical stack comprising alternating first tiers and second tiers directly above the conductor tier. Channel-material strings of memory cells extend through the first tiers and the second tiers. Horizontally-elongated lines are formed in the conductor tier between the laterally-spaced memory-block regions. The horizontally-elongated lines are of different composition from an upper portion of the conductor material and comprise metal material. After the horizontally-elongated lines are formed, conductive material is formed in a lower of the first tiers and that directly electrically couples together the channel material of individual of the channel-material strings and the conductor material of the conductor tier. Other embodiments, including structure independent of method, are disclosed.
The present disclosure provides a semiconductor structure and a manufacturing method thereof, and relates to the technical field of semiconductors. The method of manufacturing the semiconductor structure includes: providing a substrate; forming, on the substrate, a first initial conductive layer, a sacrificial layer and a first mask layer with a pattern that are stacked sequentially, a thickness of the sacrificial layer being 10 nm-20 nm; and etching, with the first mask layer as a mask, the first initial conductive layer and the substrate to form a bit line (BL) contact region.
A semiconductor device, and a method of fabricating the semiconductor device including forming on a substrate a device isolation layer defining a plurality of active regions; and forming a plurality of gate lines intersecting the active regions and buried in the substrate. The forming of the gate lines includes forming on the substrate a trench that intersects the active regions; forming a work-function control layer on a sidewall and a bottom surface of the trench; forming a conductive layer on the work-function control layer; sequentially forming a barrier layer and a source layer on the work-function control layer and the conductive layer, the source layer including a work-function control element; and diffusing the work-function control element from the source layer into an upper portion of the work-function control layer.
Disclosed is a power conversion device comprising: a case; a switching unit comprising a plurality of switches which are disposed on one side of the case; a transformer disposed on one side of the case; and a clip for fixing the plurality of switches. The clip comprises: a body part which is fixed to the case; and elastic parts which extend from the body part and are for pressing the plurality of switches to the case. The body part comprises a plurality of first through holes into which screws are coupled. And the first through holes are disposed between two adjacent elastic parts.
A computing device system may include a plurality of computing devices and a plurality of racks connected together to form a sled. The plurality of racks may each be connected with a respective set of computing devices of the plurality of computing devices. Each rack of the plurality of racks may include a thermal barrier configured to limit fluid and/or heat transfer. A method of operating computing devices in a facility may include connecting a respective set of computing devices to each of a plurality of racks, connecting the plurality of racks to form a sled, and/or connecting the sled to an opening of a thermal wall separating a first chamber from a second chamber.
Provided is a cold plate including: a heat absorption space for a working medium to be filled therein; a heat transfer structure disposed on a base within the heat absorption space for transferring thermal energy generated from a heat source that is in contact with the base to the working medium; and a flow guide structure disposed in the heat absorption space for guiding the working medium. The flow guide structure of the cold plate can effectively improve the efficiency of thermal energy absorption of the working medium.
A foldable display device can include first and second casings for respectively supporting a first area and a second area of a display panel. The first and second casings are coupled to a hinge. The foldable display device can further include a slidable support which has a first end movably connected to the first casing, and a second end fixed to the second casing, and a slidable plate attached to the display panel and movably connected to the second casing. The slidable support supports a foldable area of the display panel between the first area and the second area of the display panel during an unfolding operation and an out-folding operation. Thus, the foldable display device performs both the in-folding operation and the out-folding operation.
An information handling system mouse couples upper and lower housing portions with a central lock that insert though an opening of the lower housing portion to rotationally engage opposing cam surfaces. The upper and lower housing portions capture a printed circuit board that provides mouse functions without any screws or adhesives used to couple the mouse together. The mouse other than the printed circuit board is made of recyclable plastic that readily disassembles.
A display apparatus includes a display, a cover coupled to the display and providing therein a space for accommodating parts, a plurality of printed circuit boards accommodated in the cover, and a mounting portion coupled to the display, accommodated in the cover, and having a first mounting protrusion formed thereon, wherein the printed circuit boards are mounted on the first mounting protrusion, wherein the first mounting protrusion includes a plurality of mounting grooves, wherein the printed circuit boards are mounted in the plurality of mounting grooves, wherein the plurality of mounting grooves are defined at positions spaced apart from each other in a length direction of the first mounting protrusion such that the plurality of the printed circuit boards are disposed to be spaced apart from each other.
Disclosed are a display panel and a display screen. The display panel includes a plurality of display modules and a cabinet. The plurality of display modules are distributed in a matrix and are fixed in front of the cabinet. The cabinet is provided with two display module openings and a power supply assembly opening. A protective cover plate is installed in front of the cabinet to cover the power supply assembly opening and form a power supply assembly cavity behind the cabinet, which is configured to install a power supply assembly. Two module opening cover plates are installed behind the cabinet to cover the two display module openings in a one-to-one correspondence.
A multilayer resin substrate includes a stacked body including resin layers stacked on each other, a first planar conductor on a resin layer, and an interlayer connection conductor on a resin layer. The interlayer connection conductor includes a first interlayer connection conductor connected to an external conductor, and a second interlayer connection conductor bonded to the first interlayer connection conductor and a planar conductor. The first and second interlayer connection conductors are made of different materials. The second interlayer connection conductor includes a constricted portion including a smaller planar cross-sectional area than a different portion, between a bonding portion to which the first interlayer connection conductor is bonded and a bonding portion to which the planar conductor is bonded.
A method of manufacturing an electronic device including the following steps is provided herein. A plurality of first electronic components is provided. The plurality of first electronic components is transferred onto a plurality of pickup sites. An empty pickup site from the plurality of pickup sites may be figured out, wherein the plurality of first electronic components is absent at the empty pickup site. A second electronic component is transferred onto the empty pickup site. A target substrate is provided. The plurality of first electronic components and the second electronic component are transferred onto the target substrate.
A capacitor module horizontally mounted on a PCB and including a case including a first side surface, an opposing second side, a first electrode pad and a second electrode pad disposed at the first side surface, and a third electrode pad disposed at the second side surface, and an electrolytic capacitor including a dielectric extending in a first horizontal direction, a first electrode contacting the first electrode pad and a second electrode contacting the second electrode pad, wherein the first electrode pad is spaced apart from second electrode pad in a second horizontal direction.
Provided is a method for forming a through-hole including: forming a laminated body including a fluororesin layer having a first main surface and a second main surface, a first adhesive layer, a first reinforcing resin layer and a first conductor layer provided on the first main surface, a second adhesive layer, a second reinforcing resin layer and a second conductor layer provided on the second main surface; forming an opening in the first conductor layer and irradiating the opening with a laser beam to form a bottomed conduction hole with the second conductor layer exposed on a bottom surface of the conduction hole, wherein a thermal decomposition temperature of the second cured adhesive layer is lower than those of the first reinforcing resin layer and the second reinforcing resin layer, and a thickness of the second cured adhesive layer is 10 μm or more and 200 μm or less.
A power electronics system has a housing, a cooling device, a power semiconductor module and a capacitor device. The cooling device has a first and a second main surface. The power semiconductor module is arranged on the first main surface and is in thermally conducting contact with the cooling device and the capacitor device is arranged on the second main surface and is in thermally conducting contact with the cooling device. At least one DC connection device is connected to a DC module connection of the power semiconductor module and has a first cooling section, which is in thermally conducting contact with the cooling device.
Example embodiments relate to a method of measurement, an apparatus for measurement, and an ingot growing system that measure properties relating an induction heating characteristic of a graphite article. The method of measurement comprises an arranging step of arranging a graphite article to the coil comprising a winded conducting wire; and a measuring step of applying power for measurement to the coil through means of measurement connected electronically to the coil, and measuring electromagnetic properties induced in the coil. The method of measurement and the like measure electromagnetic properties of graphite articles like an ingot growing container, and an insulating material, and provide data required for selecting so that further enhanced reproducibility for growth of an ingot can be secured.
System and method for controlling one or more light emitting diodes. For example, the system includes: a power supply controller configured to receive a cathode voltage from a cathode of a diode, the diode including an anode configured to receive a rectified voltage generated by a rectifying bridge, the power supply controller being further configured to generate a first signal based at least in part on the cathode voltage; and a driver configured to receive the first signal and generate a second signal based at least in part on the first signal, the driver being further configured to output the second signal to a gate terminal of a transistor, the transistor including a source terminal coupled to the driver and a first resistor, the transistor further including a drain terminal coupled to the one or more light emitting diodes and an output capacitor connected to the cathode of the diode.
A heating element includes a flexible substrate, a layer of adhesive disposed on a surface of the substrate, and a continuous strand of electrically conductive wire disposed on the adhesive in a pattern of coil structures. Each coil structure includes a first coiled part and a second coiled part. The wire in the first coiled part forms a counterclockwise pattern from an outermost turn to an innermost turn of the first coiled part, and the second coiled part has an innermost turn beginning at an end of the innermost turn of the first coiled part. The wire in the second coiled part forms a clockwise pattern from the innermost turn of the second coiled part to an outermost turn. A connector segment of wire connects outermost turns of adjacent ones of the coil structures.
An electric heating device comprised a housing having a partition wall, which separates a connection chamber from a heating chamber for dissipating heat and from which at least one PTC heating element protrudes as a heating rib in the direction toward the heating chamber. The PTC heating device comprises at least one PTC element and conductor tracks that are electrically connected in the connection chamber for energizing the PTC element with different polarities and that are connected to the PTC element in an electrically conductive manner. The heating chamber, in a top view onto the partition wall, has a substantially rectangular base area. The PTC heating devices are arranged obliquely relative to the base area for a more compact configuration of the electric heating device.
A substrate processing apparatus includes: a chamber having a container including at least one substrate-heating region and at least one substrate-cooling region; a heating mechanism configured to heat a first substrate in the at least one substrate-heating region; a cooling mechanism configured to cool a second substrate in the at least one substrate-cooling region while the first substrate is being heated; and a partition provided in the container and configured to separate the at least one substrate-heating region and the at least one substrate-cooling region from each other in terms of heat and pressure.
Systems and methods provide solutions for reliable data transfer in a mobile communication network. A user equipment (UE) may indicate to the mobile communication network a capability of the UE to support a reliable data service protocol. The UE may process non-access stratum (NAS) messages, for both mobile originated (MO) data transfer and mobile terminated (MT) data transfer, using the reliable data service protocol to determine whether protocol data units (PDUs) of the NAS messages require no acknowledgement, require acknowledgment, or include an acknowledgement, and to detect and eliminate duplicate PDUs received at the UE in the NAS messages.
The disclosure relates to a method and a device therefor, wherein the method is applied to CA between base stations including multiple base stations connected through non-ideal backhaul, has a master RLC pre-assign an RLC SN to a PDCP PDU and transmit the PDCP PDU to a slave RLC of each base station, and has the master RLC take full responsibility for ARQ retransmission management, thereby enabling more efficient use of a network resource and a reduction in the time spent for a retransmission.
An unmanned aerial vehicle may include a flight system, a wireless communication system, a processor, and a power system having a battery and a battery charging port. The power system may be operable to power the flight system, the wireless communication system, and the processor. The processor may be configured to operate the flight system to fly the unmanned aerial vehicle from a ground position to an in-air position while the battery charging port is attached to an air-to-ground tether, trigger a release of the air-to-ground tether from the battery charging port after determining the unmanned aerial vehicle has reached the in-air position and the battery is charged, and operate the flight system to execute a flight pattern while operating the wireless communication system to search for a wireless communication device.
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a terminal in a wireless communication system is provided. The method comprises receiving, from a first base station associated with a master cell group (MCG), a first radio resource control (RRC) message including a second RRC message generated by a second base station associated with a secondary cell group (SCG), identifying first information indicating a deactivation of the SCG included in the second RRC message, and determining to deactivate the SCG based on the first information indicating the deactivation of the SCG.
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The embodiments of the present invention provide methods and devices for network access. The method includes receiving a first request message forwarded by a distributed unit in a base station and indication information of the distributed unit with respect to the first request message, the first request message requesting to connect a user equipment to a network; determining a processing to be performed on the first request message based on the indication Information; and transmitting an indication of the determined processing to the distributed unit.
A wireless device with dual connectivity may transmit split bearer traffic including a plurality of compressed data packets respectively to a first RLC entity of a first base station and a second RLC entity of a second base station and measure BLERs of the transmitted split bearer traffic. Based on the measured BLERs of the transmitted split bearer traffic, the wireless device may transmit uncompressed data packets to one or more of the first RLC entity or the second RLC entity. The wireless device may also reset a context memory and transmit the uncompressed data packets to the first RLC entity and the second RLC entity. A base station with dual connectivity may configure an LTE RLC entity with an RLC out-of-order delivery to deliver the received compressed data packets to an NR-PDCP entity without reordering the compressed data packets at the LTE RLC entity.
A method and apparatus for indicating sidelink (SL) radio link failure (RLF) in a wireless communication system is provided. A first wireless device may initialize the counter to zero upon 1) establishing the PC5-RRC connection with the second wireless device, or 2) configuring or reconfiguring the maximum number of the counter. A first wireless device may increase the counter based on no reception of any acknowledgement to the transmission of the MAC PDU. A first wireless device may indicate Sidelink (SL) Radio Link Failure (RLF) for the PC5-RRC connection based on that the counter reaches the maximum number of the counter.
The embodiment of the present application discloses a Bluetooth communication method, comprising: detecting a posture of a mobile terminal; establishing a Bluetooth connection with a desired Bluetooth device when a first posture is detected; and/or disconnecting the Bluetooth connection when a second posture is detected, wherein the second posture is different from the first posture.
A communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for performing a random access procedure in a wireless communication system is provided.
The present invention relates to a communication between MAC layer entity and PHY layer entity for parallel random access procedures of dual connectivity. In this scheme, a first PHY entity of a user equipment informs a failure of a random access preamble transmission to a first MAC entity of the UE. Then, the first MAC entity continues or stops a random access procedure without performing procedures for a random access failure.
Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) determines (e.g., based on an indication from base station) one or more physical random access channel (PRACH) preamble transmission parameters associated with one or more PRACH coverage enhancement (CE) levels of a RACH procedure. The UE and the base station perform a RACH procedure in accordance with the one or more PRACH preamble transmission parameters.
A terminal device includes a processor and a memory connected to the processor, wherein the processor executes a process including: receiving a resource specifying signal that specifies a random access resource used to transmit a preamble for random access; selecting one preamble from a plurality of preamble candidates previously acquired; and transmitting the selected preamble by using a random access resource arranged in timing based on a reception timing of the resource specifying signal.
Methods, systems, and devices for wireless communications are described. Some wireless devices may support a prediction capability for prediction-based control information. A first device may receive, from a second device, first control signaling that activates the predication capability of the first device to generate a set of one or more control parameters for communications. The second device may transmit second control signaling to the first device to indicate initial values of the control parameters and a channel condition model for the first device. The first device and the second device may generate a set of multiple values associated with the control parameters over a time period based on the initial values of the control parameters and the channel condition model. The first device and the second device may communicate during at least the time period according to the set of generated values associated with the control parameters.
Provided in implementation of the present disclosure are a wireless communication method and device, configured to improve flexibility of channel transmission. The method includes: determining, by a terminal device, a plurality of time units according to a constraint condition starting from a first time unit, the plurality of time units being used for transmitting one first channel; and sending, by the terminal device, the one first channel to a network device on the plurality of time units.
The disclosure provides a method of transmitting downlink (DL) control information, the method including: transmitting configuration information about a CORESET in which DL control information is to be transmitted; mapping the DL control information to a plurality of resource elements (REs) in the CORESET determined based on the configuration information; and transmitting the DL control information via the plurality of REs.
Provided is a method for obtaining a network system resource configuration. The method includes that: a terminal receives a non-anchor carrier configuration broadcast by a network device, and the terminal determines, according to the non-anchor carrier configuration, resource information for performing random access or monitoring pages with the network device. The non-anchor carrier configuration includes any one of or any combination of: a non-anchor carrier frequency point list, a non-anchor carrier configuration parameter list, an uplink non-anchor carrier frequency point list, an uplink non-anchor carrier configuration parameter list, a downlink non-anchor carrier frequency point list and a downlink non-anchor carrier configuration parameter list.
A base station may transmit, to a wireless device, a first downlink control information (DCI) associated with a first control resource set (coreset) pool index. The first DCI may trigger transmission of a reference signal. The base station may transmit, to the wireless device, a second DCI associated with a second coreset pool index. The second DCI may schedule a downlink signal with a transmission configuration indicator (TCI) state. Based on the first coreset pool index and the second coreset pool index being the same, the base station may transmit, to the wireless device, the reference signal with the TCI state.
A method of wireless communication performed by a user equipment (UE) includes receiving, from a base station, a message comprising a multicast downlink grant for a downlink channel associated with a multicast transmission. The method also includes receiving, from the base station, a reference signal associated with the downlink channel. The method further includes transmitting, to the base station, a unicast message comprising a measurement report indicating a measurement of the reference signal associated with the downlink channel. The reference signal may be measured based on receiving the multicast downlink grant.
Disclosed are a method and an apparatus for supporting same, the method carried out by a terminal in a wireless communication system comprising, according to one embodiment of the present disclosure, the steps of: receiving information associated with positioning reference signal (PRS) sequence identifier (ID); receiving a PRS associated with the PRS sequence ID; and decoding a physical downlink shared channel (PDSCH) in at least one resource element (RE) excluding the RE in which the PRS included in a set resource region is received, wherein, on the basis of configuration of discontinuous reception (DRX), the physical downlink control channel (PDCCH) for PDSCH is monitored during the on duration associated with the DRX.
The present disclosure provides a method and device for wireless communications, comprising receiving a first signaling and transmitting a first signal; herein, whether the first signaling is used for determining a first time window is used for determining whether the first signal is used for determining a second time window, a start time of the first time window in time domain is a first start time and an end time of the first time window in time domain is a first end time, a start time of a second time window in time domain is a second start time and an end time of the second time window in time domain is a second end time; a first time window and a second time window are reasonably configured in the present disclosure and are associated with a Protocol Data Unit (PDU) session, increasing the flexibility of the system.
Proposed are a method by which a first apparatus performs wireless communication, and an apparatus supporting same. The method may comprise the steps of: obtaining a sidelink (SL) discontinuous reception (DRX) configuration including information related to an SL DRX timer; receiving, from a second apparatus through a physical sidelink control channel (PSCCH), second sidelink control information (SCI) and first SCI for scheduling a physical sidelink shared channel (PSSCH); receiving, from the second apparatus through the PSCCH, the second SCI related to groupcast and a medium access control (MAC) packet data unit (PDU); and determining, on the basis of an index of a sub-channel related to the PSSCH and an index of a slot, a physical sidelink feedback channel (PSFCH) resource.
Apparatus, methods, and computer program products for beam updating are provided. An example method includes receiving DCI. The method further includes determining, based on the DCI, whether the DCI is associated with a beam update for uplink, downlink, or a combination of the uplink and the downlink. The method further includes determining, from the DCI, a TCI state that indicates a beam for the uplink, the downlink, or the combination of the uplink and the downlink.
A communication system includes plural management control units each managing a state of a battery; and plural terminal devices each acquiring battery information about at least one battery and communicating the acquired battery information with at least one of the plural management control units. At least one of the plural management control units includes an abnormality determination unit that is configured to determine whether an abnormality has occurred in an other management control unit based on communication with the other management control unit via an inter-management communication device for performing communication with the other management control unit.
A communication method and a system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with an internet of things (IoT) technology are provided, which may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and an apparatus for transmitting a reference signal are provided. The method includes receiving, from a base station, a first parameter and a second parameter associated with a sound reference signal (SRS) by higher layer signaling, identifying a bandwidth for the SRS based on the first parameter and the second parameter, and transmitting, to the base station, the SRS based on the identified bandwidth for the SRS.
A method for performing wireless communication by a first device includes: receiving information related to a time division duplex (TDD) slot configuration, transmitting, to a second device, a sidelink-synchronization signal block (S-SSB), the S-SSB including a sidelink primary synchronization signal, a sidelink secondary synchronization signal, and a physical sidelink broadcast channel, and transmitting, to the second device, a physical sidelink shared channel based on the information related to the TDD slot configuration. Candidate resources to which a bitmap related to a sidelink resource pool is applied (i) are configured based on the information related to the TDD slot configuration and (ii) include one or more slots. Configuration information related to a sidelink symbol included in each of the one or more slots is received, the configuration information including information related to a position of the sidelink symbol configured to be the same for the candidate resources.
This application provides a system information transmission method, and a related device and system. The method includes: receiving, by a network device, a system information request sent by one or more terminals; transmitting, by the network device, system information SI, where SI transmitted for one terminal has a quasi-co-location QCL with a portion of downlink signal blocks, and the portion of downlink signal blocks are a subset of all downlink signal blocks transmitted by the network device; and sending, by the network device, first indication information, where the first indication information indicates a mapping between a downlink signal block and SI, and the downlink signal block has a QCL with the SI corresponding to the downlink signal block. The foregoing solution can reduce system overheads and improve resource utilization.
A wireless device receives one or more configuration parameters including a plurality of sidelink feedback resources, where at least two sidelink feedback resources, of the plurality of sidelink feedback resources, are associated with different values for received signal power, and each of the at least two sidelink feedback resources are at least one of a time resource or a frequency resource. The wireless device selects, based on a received signal power of the different values for the received signal power, a sidelink feedback resource from the at least two sidelink feedback resources. The wireless device transmits a sidelink feedback signal, to a second wireless device, via the sidelink feedback resource.
Systems are provided for determining location of tags in an environment. The system includes at least one mobile antenna that moves around the environment. The absolute location associated with the mobile antenna is known and it sends and receives messages including at least one of time of arrival, time of departure, signal strength and angle of arrival. A measurement module performs distance measurement between the at least one mobile antenna and at least one tag in the environment to obtain at least. The distance measurements are associated with at least two locations of mobile antenna. A storage module records the distance measurements at the at least two locations and the at least two locations. A location module computes a location of each of the at least one tags based on the recorded distance measurements at the at least two locations and the recorded locations of the mobile antenna.
Mobile devices are used as temporary location anchor points, e.g., to supplement fixed location permanent location anchor points, in a wireless communications system in which mobile device locations are determined. A mobile device receives a command or request to operate as a location anchor point. In some embodiments, the command includes time information indicating the amount of time the mobile device is to operate as a location anchor point. In some embodiments, a mobile device operating as a location anchor point reports a received signal strength measurement along with information identifying the device from which the signal was received to a network element, e.g., a location server node. In some embodiments, a mobile device operating as a location anchor point broadcasts a signal providing location information. The mobile device receives compensation for operating as a location anchor point. Compensation may be monetary, services, or benefits provided by the network.
A method determines wireless radio locations in a network. The method includes identifying a group of location fixed radios in a network. Radios in the network with known location coordinates and/or known timing bias error values are grouped. RTT values are determined between each radio in the group and radios outside the group. Timing bias error values are determined for each radio outside the group. The timing bias error value for each radio outside the group of radios with known location coordinates and known timing bias error values is based on the determined RTT values. Location coordinates are estimated for each radio outside the group. A request is received for access to the network from a mobile radio device. The known location coordinates and estimated location coordinates of radios are used to determine a distance of the mobile radio device from one of the location fixed radios.
A method for broadcasting configuration information of a synchronizing signal block includes: the maximum number of synchronizing signal blocks that can be transmitted is determined; the number of bits of configuration information to be generated is determined according to a relationship between the maximum number and a first preset value, and the configuration information comprising said number of bits is generated, in which the configuration information is configured to indicate a synchronizing signal block required to be transmitted in the maximum number of synchronizing signal blocks, and the first preset value is positively correlated with the number of bits that can be transmitted by a physical sidelink broadcast channel; and the configuration information is broadcasted by means of the physical sidelink broadcast channel.
This disclosure provides systems, methods, and apparatus, including computer programs encoded on computer-readable media, for analyzing management frames for multiple basic service sets (BSSs). In one aspect, a wireless node may obtain a first management frame from a wireless local area network (WLAN) apparatus, the WLAN apparatus operating multiple virtual access points (VAPs) respectively corresponding to multiple BSSs. The wireless node may determine whether the first management frame includes a BSS profile of a BSS associated with the wireless node based, at least in part, on an arrangement of a plurality of BSS profiles within one or more management frames. The wireless node may determine to further process the first management frame based, at least in part, on a determination that the first management frame includes the BSS profile of the BSS associated with the wireless node.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiving user equipment (UE) may receive, from a transmitting UE, a sidelink reference signal in a first symbol of a slot. The receiving UE may perform a joint channel estimation and an automatic gain control (AGC) based at least in part on the sidelink reference signal received in the first symbol of the slot. Numerous other aspects are described.
One disclosure of the present specification provides a UE. The UE comprises: a transceiver for transmitting a signal and receiving a signal; and a processor to control the transceiver, wherein the UE is a power class 5 UE, wherein the maximum output of the UE is 20 dBm in the n96 band, wherein the transceiver receives a network signal from a base station, wherein, based on the network signal, the processor determines a frequency range of i) 5925 MHz or more and ii) 6425 MHz or less, wherein, based on A-MPR based on the network signal, the processor reduces the maximum output of the UE, wherein, based on the reduced maximum output of the UE, the processor determines transmission power, wherein the transceiver transmits a signal in the frequency range with the determined transmission power, wherein the A-MPR is based on pre-coding, modulation scheme, channel bandwidth, and RB allocation scheme.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a first configuration to perform an uplink communication using a first frequency spectrum band. The UE may receive a second configuration to receive a downlink communication using a second frequency spectrum band. The UE may determine an interference caused by at least one of the first frequency spectrum band or the second frequency spectrum band. The UE may reroute, based at least in part on the determination, the uplink communication to a first uplink path or a second uplink path associated with the first frequency spectrum band. Numerous other aspects are provided.
A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.
A system information updating method, a user equipment and a base station are provided, the method including: receiving, by the wake-up radio (WUR) interface of the user equipment, a wake-up signal sent by the base station, where the wake-up signal is used to wake up a main radio interface of the user equipment and instruct the main radio interface of the user equipment to receive updated system information, the wake-up signal includes system information (SI) update transmission control information, and the SI update transmission control information includes information required for receiving the updated system information; waking up, by the WUR interface of the user equipment, the main radio interface of the user equipment; and receiving, by the user equipment according to the SI update transmission control information through the woken-up main radio interface, the updated system information sent by the base station.
The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Provided are a method and apparatus for selecting a network functional entity from a plurality of network functional entities.
A method for locating a field device having a wireless interface is provided, the method including the following steps: transmitting, from the field device, identification information including distance information and direction information; receiving, by an operator device, the identification information; and displaying, by the operator device, based on the identification information, a distance, and a direction of the field device with respect to the operator device.
In one embodiment, an asynchronous wireless system for localization of nodes comprises a first wireless node being configured to receive a first communication from a third wireless node having an unknown location, to determine time difference of arrival (TDoA) information of the reception of the first communication between each of the first and a second wireless node, to determine TDoA ranging including a relative or absolute position of the third wireless node using the time difference of arrival information, and to synchronize the first and second wireless nodes based on a second communication with the synchronization being decoupled in time from the first communication. In another embodiment, a computer implemented method comprises receiving, with first and second wireless anchor nodes, packets from a wireless arbitrary device and performing time difference of arrival ranging upon reception of the packets between each of the first and the second wireless anchor nodes.
Techniques for providing proximity based messages are discussed herein. Some embodiments may include one or more servers configured to receive proximity message requests from a consumer device. The requests may include consumer device locations, which may be used by the one or more servers to generate a geofence set. Furthermore, the consumer device location may be used as a basis for selecting notification data relevant to the location. Both the geofence set and the notification data may be sent to the consumer device in a single proximity message response for local notification creation if the notification data can be collected within a maximum response time. The notification data may be provided via a push notification server asynchronously if the notification data cannot be collected within the maximum response time.
A communication method and system for controlling and paging a user equipment (UE) are provided. The method includes receiving mobility level information of a UE, and performing at least one of handover control, measurement control, or paging for the UE according to mobility level information of the UE.
In accordance with an example embodiment, there is disclosed a method comprising: receiving, by a user equipment in a wireless network, beam information from a serving cell and each neighboring cell; assessing a beam quality of the serving cell and each neighboring cell from the information; determining a subset of the serving cell and neighboring cells comprising the serving cell and each neighboring cell with a beam quality within a first offset of the serving cell and each neighboring cell with a highest quality beam; ranking each cell of the subset in descending order from highest to lowest quality.
A method and a device for selecting a cell in a mobile communication system and for selecting a cell for transmitting data, by a base station, not only in a licensed frequency band but in an unlicensed frequency band. A method for configuring a cell of a base station includes connecting with a terminal through a first cell of a licensed band; transmitting, to the terminal, a message for configuring multiple second cells in an unlicensed band through the first cell; and monitoring the configured multiple second cells in the unlicensed band, wherein the number of the multiple second cells exceeds the number of cells, a carrier aggregation of which the terminal can support. The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate after a 4G communication system such as an LTE.
Embodiments are directed towards providing 5G zero touch traffic management of cells in a network. A target cell associated with a network objective is identified. One or more neighbor cells are also identified. Transmit power and tilt capabilities of the target cell are determined. An interference between the target cell and the one or more neighbor cells is also determined. An electrical antenna tilt adjustment or a transmit power adjustment is determined for the target cell to apply based on the transmit power capabilities, the tilt capabilities, the interference, and the network objective. The determined electrical antenna tilt adjustment or the determined transmit power adjustment are then provided to the target cell. If the network objective is met after the target cell applies the electrical antenna tilt adjustment or the determined transmit power adjustment, then the changes are confirmed, otherwise they are reversed.
According to the present invention, a method by which a terminal transmits a buffer status report (BSR) in a wireless communication system comprises the steps of: receiving, from a base station, a message including information for a BSR request; triggering the BSR on the basis of the information; and transmitting the BSR to the base station. The triggered BSR is a periodic BSR, and the triggering step causes a timer for the periodic BSR to expire. The information for a BSR request is indicated by a polling field included in a medium access control (MAC) sub-head.
The present invention relates to a method of transmitting a buffer status report (BSR) by an Integrated Access and Backhaul (IAB) node in a wireless communication system. In particular, the method includes the steps of: generating the BSR; and transmitting the BSR to the network, wherein the BSR includes data volume of the IAB node determined by considering data volume of at least one RLC (Radio Link Control) layer entity of the IAB node and data volume of an adaptation layer of the IAB node.
A method for reporting beam information in a wireless communication system and a device therefor are proposed. In detail, the method, performed by a terminal, may comprise the steps of: transmitting beam-related capability information to a base station; receiving, from the base station, downlink control information for triggering a beam report; receiving a beam report-related resource from the base station; and reporting the beam information to the base station on the basis of the beam report-related resource.
A RAN node can indicate to a UE that a compact measurement report is to be used for beam measurements in a measurement report. A compact measurement report uses beam index numbers to indicate a position in a reference set. The reference set has a listing of resource indicators for beam measurements. As such, a reported beam measurement associated with a beam index number is also associated with the resource indicator positioned in the reference set indicated by the beam index number. The beam index numbers can be transmitted using fewer bits than are used for a resource indicator. The payload for a measurement report such as a L-SINR or L-RSP L1 measurement report is thereby reduced when the measurement report is transmitted as a compact measurement report.
Some examples of handling FTM requests comprises receiving a plurality of fine timing measurement (FTM) requests from a second network device over a first channel. Determining a channel traffic along the first channel. Adjusting a FTM response frequency based on the channel traffic. Responding based on the FTM response frequency, to a first number of FTM requests out of the plurality of FTM requests.
A method is provided for a radio aware transport network. A network device obtains a first request for a status of one or more radio cells of a radio access network. The network device is configured to transmit radio traffic of the radio access network in a fronthaul packet network and is in communication with a radio controller that manages the one or more radio cells. The network device provides, to the radio controller, a second request for operational data related to the one or more radio cells. The second request is in a format specific to the radio controller. The network device obtains, from the radio controller, the operational data and determining the status of the one or more radio cells based on the operational data.
The present disclosure provides a wireless communication electronic device and method, and a computer-readable storage medium. Said electronic device comprises: a processing circuit, configured to: determine whether there is a need to currently execute measurement of a first channel busy ratio (CBR) on a first resource pool of a sidelink in the long term evolution (LTE) and measurement of a second CBR on a second resource pool of a sidelink in the new radio (NR) radio access technology; and having determined that the first CBR measurement and the second CBR measurement need to be executed currently, executing the first CBR measurement and/or the second CBR measurement at least on the basis of CBR coexistence measurement configuration.
According to one disclosure of the present specification, provided is a method in a network node that manages mobility in a second public land mobile network (PLMN). According to the method, an access request message from a terminal may be received through a base station in the second PLMN. In addition, a response message to an access request of the terminal may be transmitted. The response message may include information indicating rejection to the access request of the terminal, on the basis of the terminal that joined a third PLMN and on the basis of the base station that transmitted system information including information about a first PLMN on behalf of a base station of the first PLMN.
A computer implemented method of monitoring a communication network. The method includes obtaining first information related to remote electrical tilt configurations deployed in the communication network; obtaining second information related to cell documentation; comparing the first and second information to identify mismatches between the first and second information, if any; and outputting an alarm concerning mismatches identified as a result of the comparison.
A communication device includes a first communication unit configured to start in a state where all communication terminals in a first communication area are connectable and acquire first identification information of a connected communication terminal, and a control unit configured to acquire, from among pieces of the acquired first identification information, third identification information being associated with second identification information of a communication terminal permitted to connect to a second communication unit forming a second communication area. The first communication unit shifts into a state where only a communication terminal having the third identification information is connectable. The control unit receives, from a communication device, information about whether a communication terminal having the second identification information is connected to the second communication unit, and controls, based on the received information, whether to cause a communication terminal having the third identification information to communicate with the first communication unit.
A routing device and an unauthorized communication coping device are provided. The routing device is a device that performs routing of a packet in conformance with a wireless communication protocol in a wireless communication section which is a communication section that connects a base station and a core network device, and the routing device performs network tapping on a packet as a routing target and transmits the network-tapped packet to the unauthorized communication detection device (the device that performs unauthorized communication determination which is determination of whether or not communication is unauthorized communication based on a packet). The unauthorized communication coping device performs, for unauthorized communication which is communication for which a result of the unauthorized communication determination based on the network-tapped packet is true, unauthorized communication coping including configuring communication control information which is information for controlling the unauthorized communication for at least one of the routing device and the core network device.
The present disclosure relates to setup of IoT network devices, and specifically to setup of multiple similar IoT devices at substantially the same time using joint authentication. Embodiments include, for example, receiving, at an existing network device on a network, one or more communications, wherein the one or more communications include an indication that multiple new network devices are associated with the network; receiving an indication that the multiple new network devices have generated a setup access point; establishing a connection with the access point of each of the multiple new network devices; receiving identification information, wherein the identification information includes information identifying each of the multiple new network devices; and transmitting the identification information identifying each of the multiple new network devices, wherein when the identification information is received, the identification information facilitates generating an authentication query to authenticate one or more of the multiple new network devices.
A vibration device includes: a glass diaphragm; an exciter which is fixed to the glass diaphragm and vibrates the glass diaphragm; an enclosing member which defines an internal space by enclosing a portion, including a fixing position of the exciter, of the glass diaphragm, one end portion of the glass diaphragm being exposed to outside the internal space through an opening of the internal space; and a shielding member for acoustic shielding between the opening and the glass diaphragm, the shielding member dividing the glass diaphragm into an excitation region located inside the internal space and a vibration region located outside the internal space.
Disclosed are a method, an apparatus and an electronic device for controlling audio playback of multiple loudspeakers, wherein the method comprises: determining the location information of each speaker and voice signals issued by each speaker; determining the area where each speaker is located according to the location information of each speaker; determining voice instruction corresponding to each voice signal; and controlling the multiple loudspeakers to play the audio indicated by the corresponding voice instruction respectively for the area where the speaker of each voice instruction is located. According to the method and apparatus and/or the electronic device in an embodiment of the present disclosure, different audios can be played for different areas in a preset space.
A system with sound adjustment capability is provided. The system includes a head-mounted device, a first loudspeaker and a processor. The first loudspeaker is detachable from the head-mounted device. The processor is configured to detect a plurality of positions and a plurality of orientations of the head-mounted device and the first loudspeaker to determine whether the first loudspeaker is detached from the head-mounted device. The processor is further configured to modify a first audio signal by at least one first filter or at least one second filter to generate a filtered first audio signal. The at least one first filter is used when the first loudspeaker is coupled to the head-mounted device, and the at least one second filter is used when the first loudspeaker is detached from the head-mounted device. The filtered first audio signal is configured to drive the first loudspeaker.
This application discloses a sound acquisition component array, including: two first sound acquisition components, two second sound acquisition components, and two third sound acquisition components. The two second sound acquisition components are located at a first side of a line connecting the two first sound acquisition components, and the two third sound acquisition components are located at a second side of the connecting line that is opposite to the first side of the connecting line; the two second sound acquisition components are symmetrical about a perpendicular bisector of the connecting line, and the two third sound acquisition components are symmetrical about the perpendicular bisector; and a distance between the two first sound acquisition components, a distance between the two second sound acquisition components, and a distance between the two third sound acquisition components are respectively different from one another along a direction defined by the connecting line.
A handheld image stabilization device or an image capture device includes a housing, a motor, a microphone, and a dampener. The housing includes a first port. The motor is attached to the housing. The microphone detects audio waves via the first port and vibration noise of the motor via the housing. The audio waves may include acoustic noise from the motor. The dampener is coupled to the housing. The dampener reduces the acoustic noise from the motor and the vibration noise from the motor.
A novel phantom-powered FET (field effect transistor) circuit for audio application is disclosed. In one embodiment of the invention, a novel phantom-powered FET preamplifier gain circuit can minimize undesirable sound distortions and reduce the cost of producing a conventional preamplifier gain circuit. Moreover, in one embodiment of the invention, one or more novel rounded-edge magnets may be placed close to a ribbon of a ribbon microphone, wherein the one or more novel rounded-edge magnets reduce or minimize reflected sound wave interferences with the vibration of the ribbon during an operation of the ribbon microphone. Furthermore, in one embodiment of the invention, a novel backwave chamber operatively connected to a backside of the ribbon can minimize acoustic pressure, anomalies in frequency responses, and undesirable phase cancellation and doubling effects.
A flexible arm that is configured to be located between and physically and electrically connect an acoustic module of an open-ear headphone to a battery housing of the open-ear headphone. The flexible arm defines an original resting length and position between the acoustic module and the battery housing. The flexible arm includes a flexible printed circuit that extends through the entire original resting length of the flexible arm and comprises a conductor that is configured to carry electrical energy between the acoustic module and the battery housing, and a flexible material that encases at least some of the flexible printed circuit. The length of the flexible printed circuit within the flexible arm is greater than the original resting length of the flexible arm. The flexible printed circuit can thus better accommodate tension or compression on the flexible arm as the flexible arm is bent from its original resting position.
A display apparatus includes a display panel configured to display an image by emitting light, and a sound generation device including a vibration generation module configured to vibrate the display panel. The vibration generation module includes a vibration element on a rear surface of the display panel, and a vibration reflecting member on the rear surface of the display panel and spaced apart from the vibration element.
A speaker stand has a base, an upright, and one or more quick release speaker couplers. The base has a plurality of arms, anchors, and optional removable stability plates. The upright has a lower vertical riser defining a first vertical riser longitudinal axis, an upper vertical riser parallel with and axially offset from the first vertical riser longitudinal axis, and an angled intermediate riser connecting the lower and upper vertical risers together. The quick release speaker coupler suspends a loudspeaker enclosure bracket to the upper vertical riser even when not clamped thereto, while providing three displaced axes of rotation for the loudspeaker enclosure, two that are parallel to the lower vertical riser longitudinal axis and one angularly offset thereto, and at least one axis of reciprocation. The radial offset of the loudspeaker from the upper vertical riser centers the mass of the loudspeaker enclosure with the base.
A remote control apparatus measures a communication delay in a communication network, generates a probability distribution of the communication delay, generates, based on the probability distribution of the communication delay, a plurality of arrival patterns, including an arrival time of a control input at a control target, predicts a state of the control target at a time of arrival of the control input, calculates a control input set by calculating a plurality of control inputs corresponding respectively to the plurality of states predicted, determines a control input to be outputted to the control target, based on a result of statistical processing applied on the control input set calculated.
Embodiments of the present disclosure relate to the technical field of digital projection and display, and in particular, relate to an automatic focusing projection method and system. The embodiments provide an automatic focusing projection method, which is applicable to an automatic focusing projection system. The automatic focusing projection system includes a ranging unit, a projection unit, and a reflection unit. The method includes: acquiring a depth image from the ranging unit, and acquiring a vertical projection distance from the ranging unit to a projection plane based on the depth image; acquiring position information of a center point of a projection picture in the depth image based on an elevation angle of the reflection unit and the vertical projection distance; acquiring a projection distance between the projection unit and the projection picture based on the position information; and performing focus adjustment on the projection unit based on the projection distance.
A projection-type display device includes: a display element including a rectangular displayable region in which an image is displayable; and a projection optical system. Assuming that a focal length of the projection optical system is f and a length of a long side of the displayable region is w, 0.15<|f|/w<0.45 is satisfied. An absorption layer that absorbs light is provided in at least a portion of a non-optically effective surface of a lens which is disposed closer to a reduction side than a first lens closest to an enlargement side in the projection optical system and at least a part of a portion which is irradiated with light that has been emitted from an image and reflected by an enlargement-side surface of the first lens or a reduction-side surface of the first lens.
Disclosed are systems and a methods for monitoring a back seat in a transporter based on a head up display (HUD), the system a back seat display mounted on the back seat, and the HUD to display monitoring information selected by a user, image information filmed by a camera, and control information for an image displayed on the back seat display, and a processor configured to transmit and receive a control signal between the camera, the back seat display, and the HUD, and control zoom-in or zoom-out of a first area of the HUD where the monitoring information is displayed to not overlap a second area where driving control information is displayed, wherein the image information comprises an image content displayed on the back seat display, a reproduction time of the image content, and a number or a reproduction time of image contents after a point in time.
Each remote operation robot includes: an imaging direction detection unit configured to detect an imaging direction of a camera, an imaging direction information generation unit configured to generate imaging direction information indicating the imaging direction detected by the imaging direction detection unit, an imaging direction information transmission unit configured to transmit imaging direction information to another remote operation robot, an imaging direction information reception unit configured to receive the imaging direction information from another remote operation robot, and an imaging direction control unit configured to control the imaging direction of the camera based on the imaging direction information received by the imaging direction information reception unit in such a way that the imaging direction of the camera of the own robot is synchronized with the imaging direction of the camera of the robot that has transmitted the imaging direction information received by the imaging direction information reception unit.
Mechanisms are provided for replacing default advertisement streams in a media stream with replacement advertisement streams. User profile information is obtained for a particular user and/or device. A default advertisement stream is identified and replaced with advertisement streams selected using the user profile information. Timestamp information and sequence number information is maintained to allow uninterrupted delivery of the modified media stream while customizing media streams for particular users.
The disclosure refers to a method for correcting stitching problems in a rearview system, said rearview system comprising at least two cameras mounted on at least one external camera wing of a vehicle, with the at least one camera wing being configured to be moved between an operating position, in which each camera has a rearview for capturing an image, and at least one folding position, and at least one display configured for displaying at least one of the images captured by each of the at least two cameras as a composite image and a menu for correcting stitching problems, the method comprising the steps of determining a change from the at least one folding position to the operating position of the at least one camera wing; opening the menu for correcting stitching problems; and closing the menu either after correction or after receiving a signal to skip correction.
Motion detection in a video signal stream representing a series of rows in one or more image frames includes filtering the video signal stream for one or more features, generating a plurality of masked video signal streams by multiplying the feature video signal stream with a plurality of mask signal streams, which correspond to an image mask region within one or more image frames, determining a value of an intensity-based parameter of the feature in the plurality of mask signal streams, and determining a change in the value of the intensity-based parameter to detect motion over image frames.
An image sensor includes: a pixel unit including pixels configured to generate a first signal corresponding to an amount of received light, and output the first signal; an AD converter configured to convert the first signal into a digital second signal by performing AD conversion processing for the first signal, and output the second signal; a transmitter/receiver configured to transmit and receive, in a time division manner, transmission data including at least the second signal in a first period, and reception data input from an outside in a second period; and a first generator configured to generate a first clock signal synchronized with the clock edge included in the reception data. The transmitter/receiver is configured to switch between the first period and the second period every horizontal line in the pixel unit, and transmit and receive the transmission data and the reception data in a time division manner.
There is provided a method and system for extending image sensor dynamic range using coded pixels. The method including: providing pixel codes to pixels in the photodetector array for each subframe of a frame; receiving a sensor readout of each of the pixels in the photodetector array for each subframe; for each subframe, based on the pixel code, routing each sensor readout value for collection at one or more taps or to a drain; combining the collected sensor readout values at each of the taps to determine a single pixel value for the frame; and outputting the single pixel value for each pixel for the frame.
An image processing method according to the present invention includes the steps of acquiring a first frame image and a second frame image, determining, based on a difference between the first frame image at a first time and the second frame image at the first time, whether or not a deviation has occurred therebetween, calculating a correction value based on an amount of deviation when it has been determined that a deviation has occurred, correcting the first frame image and the second frame image at the first time based on the correction value, and synthesizing the corrected first frame image and the corrected second frame image.
Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.
Disclosed in the present invention is a camera module comprising: an optical output unit for outputting a first optical signal and a second optical signal to an object; a sensor for receiving a first reflected optical signal in which the first optical signal is reflected by the object; and a control unit for obtaining first distance information to the object by using the first optical signal and the first reflected optical signal, wherein an output of the first optical signal is smaller than an output of the second optical signal, and the control unit determines whether to output the second optical signal by using the first distance information.
A number of embodiments can include a photographic chamber. In some embodiments, a photographic chamber can comprise one or more frames arranged in a convex shape and having an opening; one or more walls coupled to the one or more frames and having one or more recesses configured to receive photography equipment; and a door matching the one or more walls, wherein the door can be located in the opening when positioned in a closed configuration. Other embodiments are disclosed herein.
An image capturing module includes a light filter, a meta-lens layer, and a photosensitive element. The light filter includes a light receiving surface and a light emitting surface opposite to each other. The meta-lens layer and the light filter are disposed side by side with each other. The meta-lens layer includes a light transmitting film and a plurality of microstructures. Each microstructure is arranged on the light transmitting film. The photosensitive element includes a photosensitive surface. The photosensitive surface faces to the meta-lens layer and the light emitting surface of the light filter, wherein the photosensitive surface has a plurality of pixels, and each pixel corresponds to each microstructure.
A method, apparatus, and electronic device for processing a video, a medium and a product are presented. An implementation of the method includes: acquiring a target video; selecting, from at least one preset model, a preset model as a target model; determining output data of the target model based on the target video and the target model; reselecting, in response to determining that the output data does not meet a condition corresponding to the target model, another preset model as the target model from the at least one preset model until the output data of the target model meets the condition corresponding to the target model; and determining, based on the output data, a dynamic cover from the target video.
Methods and systems are disclosed for automatic generation of content distribution images that include receiving user input corresponding to a content-distribution operation. The user input may be parsed to identify keywords. Image data corresponding to the keywords can be identified. Image-processing operations may be executed on the image data. Executing a generative adversarial network on the processed image data, which includes: executing a first neural network on the processed-image data to generate first images that correspond to the keywords, the first images generated based on a likelihood that each image of the first images would not be detected as having been generated by the first neural network. A user interface can display the first images with second images that include images that were previously part of content-distribution operations or images that were designated by an entity as being available for content-distribution operations.
Embodiments are related to faster provisioning of targeted advertisements at a set-top box (STB) via an Internet Protocol (IP) connection between the STB and a remote server. The disclosed IP-based advertisement distribution system enables targeted advertisements to be pulled from the remote server efficiently, causing the advertisements to be made available within a short time frame (e.g., less than one day from the time when the advertisements are available). The disclosed methods enables a STB to determine whether to retain existing targeted advertisements, discard them, or provision newly-available advertisements. The targeted advertisements can depend on various factors such as demographic information of an owner of the STB, lifestyle information of the owner of the STB, etc.
A satellite provider system receives a provider stream including break cue data. The satellite provider system generates adjusted break cue data by adjusting time stamps in the break cue data. The satellite provider system inserts the break cue data, the adjusted break cue data, and break description data into the provider stream in data packets all having a same packet identification. The satellite provider system broadcasts the provider stream from a satellite transponder.
A system for to monitor image input of a computing device having a control circuit with a programmable processor, and configured to receive images and to output the images to an image output device coupled to the computing device. The computing device can be configured to monitor the received images via the processor of the computing device being programmed using a Machine Learning Image Classification (MLIC) algorithm configured to determine a score of at least one received image within a predetermined criteria for classifying said at least one received image as a restricted subject image. Based on determination of the score, a modify or non-modify command is generated; and wherein in response to said at least one received image being scored by said processor within the modify criteria, the processor is programmed to generate a command to output the modified image.
Exemplary embodiments of the present disclosure relate to minimizing data usage over a communication link. A system may include a server configured to receive, via a first connection, a video stream from at least one camera. The server may also be configured to provide, via a second connection, the video stream to a user device. Further, the server may be configured to continue to provide the video stream to the user device via the second connection in response to reception of an indicator indicating that a user of the user device is actively viewing the video stream. Moreover, the server may be configured to cause the video stream from the server to the user device to be terminated in response to lack of receipt of the indicator within a predetermined time interval. Associated methods and systems are also disclosed.
This disclosure describes, in part, techniques for using presence detection in order to switch between power modes of a display device. For instance, the display device may operate in a first power mode by deactivating a display. While operating in the first power mode, the display device may use a sensor to detect a presence of a possible object. The display device may then switch to a second power mode in order to verify that the possible object is an actual object. In response, the display device may switch to a third power mode by at least activating the display and presenting a user interface using the display. The display device may then receive an interaction. In response, the display device may switch to a fourth power mode by at least presenting content.
Techniques are disclosed for distributing data in a content delivery network configured to provide edge services using a plurality of service providers. Data indicative of data usage and cost data for the plurality of service providers is accessed. Based on the accessed data, an effective unit cost, multiplex efficiency, and channel utilization are determined for a selected user. A Bayesian optimization algorithm is applied to at least a portion of the accessed data. The content delivery network is configured to redistribute data traffic for the selected user based on a result of the applied Bayesian optimization algorithm.
Systems and methods are provided for enabling a smart automatic skip mode during playback of a content item. A content item is generated for output at a first time at a computing device, and input associated with navigating the content item is received. Metadata associated with a plurality of segments of the content item is identified and, based on the input and the metadata, a segment to skip is identified. The segment to skip is skipped, and the content item is generated for output at a second time.
A system and method for providing awareness in a hospitality environment are presented. In one embodiment, a vertical and horizontal array of thermostats is provided and each thermostat includes an identification corresponding to a room in which the thermostat is placed. Each thermostat includes a wireless transceiver that periodically transmits an identification beacon signal that is received by a proximate wireless-enabled programmable interactive device. The proximate wireless-enabled programmable interactive device, in turn, broadcasts data packets including an indication of the strength of thermostat identification signals received. The broadcasts are received by a server via an array of wireless routers. A location of the proximate wireless-enabled programmable interactive device is determined based on the signal strength information in the data packets.
A method of generating an image signal from a plurality of images of a scene performs iterations that comprise generating (505) predicted images for a candidate set of images from a set of (previously) included images. A set of selected images is selected (509) from the set of candidate images in response to a prediction quality. For each selected image a subset of pixels is determined (511) in response to pixel prediction qualities for the pixels of the image, and a set of partial images corresponding to the selected images is generated (513) by selecting (511) a subset of pixels. The selected image is deleted from the candidate set and the partial image is added to the included set. The approach may provide a low complexity and low resource selection of image data representing a scene.
The present disclosure provides embodiments for coding and decoding signs of transform coefficients which is applicable, for instance, in image and/or video coding and decoding. In particular, a plurality of the signs are predicted and only a prediction error signal is embedded in the bitstream. The prediction error signal may have a distribution which can be efficiently coded with CABAC or another variable length (entropy) coding. Moreover, if adaptive multi-core transform is used, the context for the entropy code to code a transform coefficient sign is selected according to the transformation which was used to obtain the transform coefficient.
Techniques related to improved visual quality for high spatial and temporal complexity video encoding are discussed. Such techniques include ranking candidate coding structures based on rate distortion values generated using a first distortion measurement technique, detecting candidate coding structures with large coding unit and transform sizes, and disabling detected candidate coding structures with a distortion, generated using a second distortion measurement technique, that meets or exceeds a threshold.
Macroblocking artifacts are assessed in an encoded video. Edges are detected and edge strengths are computed at macroblock boundaries in each decoded frame of the video. The detected edges are paired at horizontal or vertical sides of each macroblock to identify macroblock edge pairs. A macroblocking level of the frame is identified according to the macroblock edge pairs. For instance, for each of the macroblock edge pairs, the edges of the pair are identified as being macroblocking edges if edge strengths of both sides of the pair exceed a significance threshold, and the macroblocking level of the frame is determined by aggregating the macroblocking edges in the frame.
The present specification discloses a method of decoding an image. The method of decoding an image according to the method includes: obtaining transform skip information of a current block from a bitstream; obtaining multiple transform selection information of the current block on the basis of the transform skip information from the bitstream; and performing inverse transform on the current block on the basis of the multiple transform selection information, wherein the multiple transform selection information is used to set each of a horizontal transform type and a vertical transform type.
Embodiments of the present invention provide a method and device for processing a video signal. A method for processing a video signal according to an embodiment of the present specification comprises the steps of: acquiring position information of a last significant coefficient according to scanning order in a transform block; and performing residual coding on the basis of the position information of the last significant coefficient. The position information of the last significant coefficient includes a first prefix for a column position of the last significant coefficient and a second prefix for a row position of the last significant coefficient; a range of the first prefix is determined on the basis of an effective width of the transform block; a range of the second prefix is determined on the basis of an effective height of the transform block; if a width of the transform block corresponds to a first size, the effective width of the transform block is determined to be a second size; if a height of the transform block corresponds to the first size, the effective height of the transform block is determined to be the second size; and the second size is configured to be smaller than the first size.
An example method of video processing includes performing a conversion between a picture of a video and a bitstream representation of the video. The picture includes one or more sub-pictures, and the bitstream representation conforms to a format rule that specifies that a length of a syntax element is equal to Ceil(Log 2(SS)) bits. SS is greater than 0, and the syntax element indicating a horizontal or a vertical position of a top-left corner of a coding tree unit of a sub-picture of the picture.
A decoder comprises circuitry and memory. The circuitry, using the memory, in operation, determines a number of first pixels and a number of second pixels used in a deblocking filter process, wherein the first pixels are located at an upper side of a block boundary and the second pixels are located at a lower side of the block boundary, and performs the deblocking filter process on the block boundary. The number of the first pixels and the number of the second pixels are selected from among candidates, wherein the candidates include at least 4 and M larger than 4. Response to a location of the block boundary being a predetermined location, the number of the first pixels used in the deblocking filter process is limited to be 4.
Three-dimensional image calibration and presentation for eyewear including a pair of image capture devices is described. Calibration and presentation includes obtaining a calibration offset to accommodate flexure in the support structure for the eyewear, adjusting a three-dimensional rendering offset by the obtained calibration offset, and presenting the stereoscopic images using the three-dimension rendering offset.
A display device includes a non-translucent cover, a light source provided inside the cover, and a translucent light display that is transmissive to light from the light source. The light display has a protrusion disposed in a through opening of the cover. The protrusion fitted into the through opening from the inside spans a first side surface and a second side surface of the cover, and protrudes outward from the outer surface of the cover to form a light guide. The light guide has a smaller thickness in a corner portion corresponding to a connection region between the first side surface and the second side surface than in other portions thereof.
A sheet conveyance apparatus includes: a speed detection roller that detects a conveyance speed of a sheet by coming into contact with the sheet being conveyed and being driven to rotate; and a hardware processor that performs temperature control to make an ambient temperature of the speed detection roller a predetermined temperature.
A control portion controls a reading portion and a discharge portion, and when a document is placed in a document placement portion, a transport path transports the document, and the reading portion reads an image of the document. When the discharge portion discharges the document for which reading is completed by the reading portion, a document receiving portion receives the document discharged by the discharge portion. The document receiving portion has a first region that overlaps the document placement portion when seen in a vertical direction, and a second region that does not overlap the document placement portion when seen in the vertical direction, and the discharge portion discharges the document so that at least part of the document is placed on the second region.
An image reading apparatus includes: a reader that reads an image on a print medium, and is arranged at a reading position of a conveyance path for conveying the print medium that is continuous and has a long length; a shading unit including a reference color member to perform shading correction of correcting a read value of an image sensor in the reader; a mover that moves the shading unit between the reading position of the reader and a retreated position; and a retractor that retracts the print medium from the reading position of the reader, wherein the retractor arranges the print medium at the reading position of the reader at a time of reading by the reader, and retracts the print medium from the reading position of the reader at an end of reading by the reader, to secure a predetermined space between the reader and the print medium.
According to one embodiment, an image forming apparatus includes a printer, a memory, a processor, and a display. The printer forms an image according to the operation of a person. The memory stores contact history information indicating the history of contact of a person. The processor acquires information on contact infection of a virus at a site contacted by a specific person from the contact history information stored in the memory. The display shows information on the contact infection of the virus.
An object is to save a user's trouble in a case of printing correction charts and stabilization charts and performing automatic tone correction with the correction charts among the printed charts. An image processing apparatus performs: control for printing correction chart images along with identification images for respectively identifying the correction chart images on print media in a one-to-one correspondence; and control for printing a stabilization chart image on a print medium before the control for printing the correction chart images. Then, from among scan images obtained by reading correction charts and one or more stabilization charts, the apparatus identifies the scan images respectively corresponding to the correction charts based on the identification images appearing in the scan images, the correction charts each being obtained by printing a correction chart image along with the corresponding identification image, the stabilization charts each being obtained by printing the stabilization chart image.
A computer-implemented method for detecting and concealing confidential communications is disclosed. The computer-implemented method includes determining an audio output source used by a participant of an audio conference is unidentifiable. The computer-implemented method further includes responsive to determining that the audio output source used by the participant of the audio conference is unidentifiable, transmitting a high frequency signal via audio conference software used by the participant to conduct the audio conference. The computer-implemented method further includes responsive to detecting the high frequency signal via a microphone of a user device used by the participant to listen to the audio conference, determining that the participant is using a speaker to listen to the audio conference.
Systems and methods include generating an urgency score associated with data associated with a communication session based on processing the data and using the urgency score to modify a behavior of a bot or a call center agent and optimize a contact center. Systems and methods include modifying behavior of a bot or an agent during the communication session in response to the data. Systems and methods include modifying dialog of a bot, or a script of an agent, and modifying a control flow for the communication session. Optimizing a contact center includes adjusting a workload of an agent associated with the communication session.
Systems and methods for voice-enabled configurations for audio-output devices are disclosed. User accounts may be associated with one or more voice-enabled devices. Those voice-enabled devices may include audio-output functionality, while other voice-enabled devices do not include audio-output functionality. For devices without audio-output functionality, sending and/or receiving calls and/or messages may depend on whether the device is connected to an auxiliary device with audio-output functionality, via wired and/or wireless connection. Notifications of whether calling and/or messaging is enabled may be sent to the sending and/or receiving devices.
A computer-implemented method is disclosed. The method includes: receiving a first request to initiate a first customer service session; establishing a primary web socket connection between a first web server and service agent terminal; establishing a first communication sub-channel associated with the primary web socket connection, the first communication sub-channel corresponding to the first customer service session; receiving a second request to initiate a second customer service session; in response to receiving the second request: establishing a second communication sub-channel associated with the primary web socket connection, the second communication sub-channel corresponding to the second customer service session.
An autonomous distributed wise area network (AD-WAN) includes several nodes, where each node connects a local area network to an open wide area network, and provides tunnels over the open wide area network to other nodes in the AD-WAN so that computing resources behind each node can communicate as if they were located on a common intranet. Each node has a blockchain wallet and receives updates to a private permissioned blockchain ledger for that AD-WAN. The updates are provided by a control node. Set up, and subsequent change to the AD-WAN are commenced via a customer portal which provides order information to the control node, where the control node processes the order information and generates a blockchain update that informs the affected nodes in the AD-WAN as to what changes are to be made. As a result, the blockchain provides both control plane and order management operation of the AD-WAN.
Systems and methods of generating a security key for an integrated circuit device include generating a plurality of key bits with a physically unclonable function (PUF) generator. Unstable bits of the plurality of key bits are identified, and a security key is generated based on the plurality of key bits, wherein the security key excludes the identified unstable bits.
According to one embodiment, a server device includes a memory and a processor. The memory stores verification information. The processor accepts a request to transmit a certificate number, generates information in which identification information of one of storage devices from which data is to be erased, a public key, a secret key, and the certificate number are associated with one another, transmits the certificate number, performs verification using an authenticator transmitted by the one storage device and verification information, generates, based on a result of the verification, an erasure certificate that includes the identification information and the certificate number and is signed using the secret key, and transmits the erasure certificate.
An example operation may include one or more of receiving, by a certificate issuer node, an asset certification request from an asset producer node over a blockchain, endorsing, by the certificate issuer node, an asset certificate in response to detection of the asset certificate issued to the asset producer node by another certificate issuer node, and recording a signature of the certificate issuer node into an asset producer node certification record on the blockchain.
A method for supporting verification of information pertaining to a target includes detecting an indication that a request transaction has been received by a smart contract deployed on a blockchain, the request transaction indicating a request to verify information pertaining to the target. The method also includes retrieving the request based on the request transaction. Further, the method includes: generating a reply transaction indicating at least (i) a reply to the request, and (ii) an address, on the blockchain, of an originator of the request; and providing the reply transaction to the smart contract.
A method including transmitting, based on verifying first biometric information, a first decryption request including an encrypted first cryptographic key in association with a first identifier to indicate that the encrypted first cryptographic key is to be decrypted by utilizing a first master key; decrypting, based on receiving a decrypted first cryptographic key, first factor authentication information to enable determination of a first factor; transmitting the first factor for authentication; transmitting, based on successful authentication of the first factor and on verifying second biometric information, a second decryption request including an encrypted second cryptographic key in association with a second identifier to indicate that the encrypted second cryptographic key is to be decrypted by utilizing a second master key; decrypting, based on receiving a decrypted second cryptographic key, second factor authentication information to enable determination of a second factor; and transmitting the second factor for authentication.
Systems and methods for a dynamic encryption model in which dynamic encryption keys are associated with an access token having an expiration time. The access token is generated for a user session of a user application seeking to make API calls to a service provider system. When the access token expires, or becomes otherwise invalid, the dynamic encryption keys are discarded, and any further API calls are made using an updated access token and updated dynamic encryption keys. The dynamic encryption keys are used to encrypt specially designated fields of API calls and/or API call results.
A computer-implemented method of partitioning a blockchain network into shards is disclosed. The method comprises the steps of identifying a transaction id of a blockchain transaction and allocating the transaction to a shard based on the transaction id.
The present invention relates to a method of generating random numbers for cryptographic applications, in which a recording of an environment is generated by means of a detection unit, the recording is presented by means of a display device, a virtual object is positioned in the presentation of the recording in the environment, real world coordinates for real world points in a real world coordinate system are determined for the environment, virtual world coordinates for one or more virtual world points in a virtual world coordinate system are determined for the virtual object, at least the real world coordinates of a real world point of the environment and the virtual world coordinates of a virtual world point of the virtual object are used to generate a random number, and the random number is used in a cryptographic application.
The present disclosure is directed to timestamp detection using a cable modem and to a control apparatus, control device and control method for detecting time stamps in various signals such as orthogonal frequency division multiplexing (OFDM) signals. The control apparatus comprising processing circuitry being configured to obtain information a channel frequency response of the multi-path channel, the channel frequency response being based on a signal comprising a sequence of symbols. The processing circuitry is configured to transform the channel frequency response into a channel impulse response. The processing circuitry is configured to identify a peak in the channel impulse response. The processing circuitry is configured to determine a timestamp offset time between the peak in the channel impulse response and a trigger time indicative of a beginning of a symbol in the signal. The processing circuitry is configured to synchronize the device clock based on the timestamp offset time.
A media device and methods that identify playback states reachable from a current content playback state and identify a reachable state that is likely to occur, are disclosed. A memory associated with the media device may receive frames that enable a smooth transition between the playback state and the reachable state. The media device may receive frames that correspond to points in the content that are separated by an amount of time that is proportional to the playback rate of the likely state. The frames may be frames corresponding to an image that may be played back at the playback rate of the likely state.
A framework in which computing devices can divide messages into chunks or sub-portions for transmission in accordance with a topic-based messaging protocol. A caching service facilitates the receipt of a set of messages with individual sub-portions. The caching service uses embedded information in the sub-portion messages to determine when a full set of sub-portions have been received. The caching service can release a completed set of sub-portion messages to an intended network service recipient or utilizing time expiration caching criteria to wait for additional messages.
A terminal receiving a push message is provided. The terminal sets service control condition which specifies application identifier (app ID) corresponding to service that the terminal is allowed to receive, wherein the service control condition is contained in push message control policy. And the terminal then receives a push message, matching the push message control policy, sent by a server.
Described herein are systems and methods for providing interactive notification panels to a user. A bot apparatus receives a notification from an application program and transforms the notification into one or more interactive notification panels configured to receive user inputs and/or to provide an output to at least one user input. Based on at least one user input, the bot apparatus transmits data to the application program, which causes the application program to perform one or more actions.
Methods and apparatus to centralize localization of micro-services messages in a distributed cloud environment are disclosed. An example method includes generating, by executing an instruction with one or more processors, a plurality of messages bundles. Respective ones of the messages bundles are associated with respective ones of a plurality of micro-services. The example method further including creating a localized response based on a non-localized response to a request by a user to one of the plurality of micro-services. The localized response is based on one of the plurality of messages bundles and the one of the plurality of messages bundles corresponds to the one of the plurality of micro-services.
A connection request is received for an account, the account associated with a set of devices, the connection request comprising a request to establish communication between a sending device and a device associated with the account. By analyzing device usage data for a first device in the set of devices, an availability score of the first device is determined. The first device is presented for connection based on the availability score of the first device. Responsive to the presenting, the sending device and the first device are connected.
Aspects of the present invention disclose a method for delivering a notification to an IoT enabled device that ensures successful user notification while avoiding duplicate notifications. The method includes one or more processors capturing a respective activity pattern of each of a plurality of internet of things (IoT) enabled devices of a user. The method further includes determining an active device of the user from the plurality of IoT enabled devices based at least in part on an activity pattern of the active device. The method further includes identifying a notification for distribution to the user, utilizing the plurality of IoT enabled devices. The method further includes intercepting delivery of the notification to non-active devices of the plurality of IoT enabled devices. The method further includes transmitting the notification to the active device of the user.
Various methods, apparatuses/systems, and media for implementing a smart cloud deployment module is disclosed. A datacenter stores information data of all availability zones (AZs) associated with deployment of an application. A processor builds an availability zone (AZ) application programming interface (API) and calls the AZ API to retrieve the information data from the datacenter; dynamically and automatically determines, in response to calling the AZ API, prior to deploying the application, whether a first AZ defined in a deployment pipeline among the AZs within the datacenter is healthy for deployment of the application; and deploys the application utilizing the deployment pipeline when it is determined that the first AZ defined in the deployment pipeline is healthy. The processor also checks for another healthy AZ within the same datacenter or within other regions outside of the datacenter when it is determined that the first AZ is not healthy.
Computer-implemented methods, program products, and systems for provenance-based defense against poison attacks are disclosed. In one approach, a method includes: receiving observations and corresponding provenance data from data sources; determining whether the observations are poisoned based on the corresponding provenance data; and removing the poisoned observation(s) from a final training dataset used to train a final prediction model. Another implementation involves provenance-based defense against poison attacks in a fully untrusted data environment. Untrusted data points are grouped according to provenance signature, and the groups are used to train learning algorithms and generate complete and filtered prediction models. The results of applying the prediction models to an evaluation dataset are compared, and poisoned data points identified where the performance of the filtered prediction model exceeds the performance of the complete prediction model. Poisoned data points are removed from the set to generate a final prediction model.
Embodiments are provided for managing routes of data traffic within a network. The management may be performed via a graphical user interface that interacts with a Web server to update a configuration file. The configuration file can be converted to router management commands by a network management device (e.g., a BGP speaker). The commands can then be sent to border routers for controlling network traffic. Embodiments are also provided for capturing and logging routing updates made in a network.
Approaches provide for securing an electronic environment. A threat analysis service can obtain data for devices, users, and threats from disparate sources and can correlate users to devices and threats to build an understanding of an electronic environment's operational, organizational, and security concerns in order to provide customized security strategies and remediations. Additionally, the threat analysis service can develop a model of an electronic environment's behavior by monitoring and analyzing various the data from the data sources. The model can be updated such that the threat analysis service can tailor its orchestration to complement existing operational processes.
A computing system includes a processor and memory coupled to the processor and storing instructions that, when executed by the processor provide a user interface module. The user interface module is configured to generate a tracker definition user interface having a threat parameter selection user interface element configured to receive a selection of at least one threat parameter, the tracker definition user interface also having a threat value user interface element configured to receive input specifying a threat value to match for the specified at least one threat parameter. The processor is configured to save a tracker based on the selection of at least one threat parameter and the threat value, and wherein the processor is configured to access a threat data store and execute the tracker against the threat data store to provide a tracker result.
Systems and methods are provided for synergistically combining network security technologies to detect compromised devices. According to one embodiment, an endpoint detection and response (EDR) agent of multiple endpoint security agents running on an endpoint device detects an incident. A security incident alert is generated by the EDR agent by proactively collecting data regarding the incident. Identification of a device coupled to a private network as potentially being compromised by a security service of a Managed Security Service Provider (MSSP) protecting the private network is facilitated by the EDR agent transmitting the security incident alert to the security service via a security agent of the multiple endpoint security agents corresponding to the security service.
Malicious homoglyphic domain name (MHDN) generation and associated cyber security applications are described. MHDN generation may be performed by, for example, generating, based on training data, a set of operations for use in generating the one or more potential MHDNs, wherein each operation of the set of operations may be configured to modify a base domain name according to a respective homoglyphic characteristic. The set of operations may be used to generate one or more candidate MHDN mutators. The candidate MHDN mutators may be tested for fitness values corresponding to respective likelihoods of generating an MHDN and the candidate MHDN mutators may be applied to one or more base domain names to generate potential MHDNs.
An administrator creates an access policy for a network resource using an access server. The access policy may specify device characteristics that are needed to access the network resource. These characteristics may relate to the type of user device, the computing environment of the user device, installed applications and versions, installed certificates, and physical characteristics. The access policy for the network resource may be assigned to a user or to groups of users. Later, when the user attempts to access the network resource, an application installed on the user device provides a file containing the characteristics of the user device to the access server. The access server determines whether the characteristics of the file satisfies the access policy associated with the user and network resource, and if so permits access to the network resource. Else, access to the network resource is denied.
Provided is a system and method for enabling of access to a computer resource by a computer system comprising: providing to a user an interface configured to receive a request for access to a computer resource; determining if the user is permitted to access the computer resource based on a user profile; providing a user verification interface configured to receive user identity verification information; determining if the user identity verification information is valid in response to a reply to the request for user identify verification information; and in response to determining that the user is permitted access to the computer resource and that the user verification information is valid: updating a security policy to reflect that the user is permitted to access the computer resource, and providing access to the computer resource for a limited time duration.
An administrator creates an access policy for a network resource using an access server. The access policy may specify device characteristics that are needed to access the network resource. These characteristics may relate to the type of user device, the computing environment of the user device, installed applications and versions, installed certificates, and physical characteristics. The access policy for the network resource may be assigned to a user or to groups of users. Later, when the user attempts to access the network resource, an application installed on the user device provides a file containing the characteristics of the user device to the access server. The access server determines whether the characteristics of the file satisfies the access policy associated with the user and network resource, and if so permits access to the network resource. Else, access to the network resource is denied.
Methods and systems are described for providing conditional access to a service. One or more tasks may be associated with a user profile. The one or more tasks may be indicated as required to be completed to access the service. The one or more tasks may have associated deadlines. If a task is not completed by the deadline, then any device associated with the user profile may be blocked from access to the service.
A method may include receiving a first classification of a network address associated with a login attempt as an AVA, and in response, generating a first random number, selecting a first blocking length of time from a plurality of blocking lengths of time, calculating a first deny list duration based on summing the first random number and the first blocking length of time, and adding the network address to a deny list for the first deny list duration, and adding the network address to a parole list for a parole duration, receiving a second classification of the address as an AVA during the duration; and in response selecting a second blocking length of time from a plurality of blocking lengths, calculating a second deny list duration based on summing the second random number and the second blocking length and adding the address to the deny list for the second duration.
Generally described, the presently disclosed technology utilizes durable and non-durable identifiers of a user device to authenticate the user device and cause the user device to be directed to a network intercept portal or captive portal to the user device based on whether additional user input is needed from the user device. A cloud network management server may identify a user device based on a previously stored association between a durable identifier associated with the user device and a non-durable identifier associated with the user device. In response to an indication from the cloud network management server that additional input is needed, a gateway or network management device can indicate to the access point that network access has been granted to the user device, but redirect the user device to network intercept portal or captive portal to obtain the additional user input requested by the cloud network management server.
Systems and methods for protected verification of user information are provided. Multiple computing systems may transmit or receive communications from one or more other computing systems as part of the protected user information verification. For example, a user may utilize a verification service to independently verify the user's information to third-party systems without the verification service actually storing, receiving, accessing, or otherwise coming into contact with the user-specific information that it is verifying. In this way, the system can protect a user's personal information while streamlining the user's verification with one or more third parties.
A biometric electronic signature authenticated key exchange (“BESAKE”) token processing system. The system includes a storage location having a plurality of biometric reference templates. The system further includes an authentication computing system having a processor and instructions. The instructions configured to cause the authentication computing system to receive a signing party identifier and the BESAKE token from a signing party. The BESAKE token having a biometric sample encrypted using an encryption key. The instructions further configured to generate a decryption key and decrypt the encrypted biometric sample from the BESAKE token. The instructions further configured to match the biometric sample with a biometric reference template and transmit to a biometric service provider computing system a match request. The instructions further configured to determine a signing party identity via a binary match value. The binary match value relating to a result of matching the biometric sample with the biometric reference template.
A server device receives, from a user device, a session initiation request and information identifying a location of the user device, and receives, from a monitoring device that is separate from the user device, an authentication request and information identifying a location of the monitoring device. The server device processes the session initiation request and the authentication request to authenticate a user of the user device, and determines, based on the location of the user device and the location of the monitoring device, that the user device and the monitoring device are collocated. The server device creates, after authenticating the user of the user device and determining that user device and the monitoring device are collocated, a session token, and sends the session token to the user device to enable the user device to access at least one resource of the server device.
Described herein are techniques for providing one or more users with access to content obtained from a plurality of content providers. In some embodiments, such techniques may comprise maintaining a number of access credentials associated with a plurality of different content providers, obtaining access to a plurality of media content libraries, each of the plurality of media content libraries managed by a content provider of the plurality of different content providers, and providing the plurality of media content libraries to at least one user device as a single library of media content. Such techniques may further comprise receiving, from the user device, a selection of a media content from the single library of media content and providing, to the user device, access to the selected media content within a corresponding media content library of the plurality of media content libraries using an access credential.
A system and method are disclosed for providing a private multi-modal artificial intelligence platform. The method includes splitting a neural network into a first client-side network, a second client-side network and a server-side network and sending the first client-side network to a first client. The first client-side network processes first data from the first client, the first data having a first type. The method includes sending the second client-side network to a second client. The second client-side network processes second data from the second client, the second data having a second type. The first type and the second type have a common association. Forward and back propagation occurs between the client side networks and disparate data types on the different client side networks and the server-side network to train the neural network.
A method for trusted notifications comprises: receiving, at a first host having at least one trusted server, a request message from a sender computing device, the request message comprising a request identifier and instructions to: update, at a second host, a recipient account associated with a recipient computing device, and to make a corresponding update at the first host to a sender account associated with the sender computing device. The method further comprises authorizing, at the first host, the request message; updating the sender account; generating a secure message at the at least one trusted server, the secure message comprising the request identifier and an indication from the at least one trusted server that the update completed; and sending the secure message from the first host to the sender computing device. The secure message can be received at the sender computer device and conveyed to the recipient computing device.
At least initially blocking client download of certain content and injecting a user verification step for such downloads is disclosed. In some embodiments, a notification page with an option to accept a response from a server is provided to a client, an indication of user selection of the option to accept in the notification page is received from the client, and requested content received from the server is provided to the client. Injecting a user verification step via the notification page before providing requested content facilitates protecting the client from security threats.
A discovery method for a domain name system (DNS) server includes transmitting a DNS query to a local protocol data unit session anchor (L-PSA). The DNS query carries an IP address of a first DNS server edge application server discovery function (EASDF). The method includes, in accordance with a determination that the first DNS server EASDF satisfies an unavailability condition, transmitting a first dynamic host configuration protocol (DHCP) request to a session management function (SMF). The first DHCP request is used for obtaining an IP address of a second DNS server. The method includes receiving a first DHCP response carrying an IP address of the second DNS server assigned by the SMF.
In certain embodiments, a client device may obtain an email including a plurality of components. Responsive to an action to open the email, the client device may obtain user data associated with a user. The client device may determine a subset of components of the plurality of components of the email to be displayed in a customized email based on the user data. The subset of components may be caused to be displayed in the customized email via a user interface without displaying one or more other components of the plurality of components in the customized email.
A method, a computer device, and a non-transitory computer-readable recording medium are provided to select and display a message in a messaging-based social network service. A message selection and display method includes displaying, in a chatroom, main messages selected from among unread messages in the chatroom at a time of entry into the chatroom; and displaying, in the chatroom, at least one additional message among previous unread messages and subsequent unread messages of a specific message based on the specific message selected from among the main messages.
A computer-implemented method, a computer system and a computer program product enhance content submissions of support chats. The method includes acquiring a support request from a user, wherein the support request includes a content submission. The content submission is selected from a group consisting of audio data, image data and text data. The method also includes determining a classification of the support request based on a request type. The method further includes obtaining a set of requirements for the support request from a server based on the determined classification. In addition, the method includes determining that the content submission does not meet the set of requirements. Lastly, the method includes generating an augmented reality inspector to assist the user in adding content to meet the set of requirements in response to the set of requirements not being met by the content submission.
Methods and apparatuses are described herein for multiple access schemes for Wireless Local Area Network (WLAN) with full-duplex radios. For example, an access point (AP), in response to receiving a request to send (RTS) from a first station (STA), may transmit a full-duplex clear to send (FD CTS) to the first STA and a full-duplex request to send (FD RTS) to a second STA. In response to transmitting the FD RTS to the second STA, the AP may receive a clear to send (CTS) from the second STA. The AP may transmit, to both the first STA and the second STA, a FD trigger frame that includes scheduling information to enables FD communication with the first STA for uplink (UL) data and the second STA for downlink (DL) data at a same time. The scheduling information may include timing information and channel information for the FD communication.
An operation method of a first terminal in a communication system is provided. The method includes configuring sidelink (SL) bandwidth parts (BWPs) used for groupcast sidelink communication and transmitting a configuration information message including configuration information of the SL BWPs to participating terminals participating in the groupcast sidelink communication. The groupcast sidelink communication is performed with the participating terminals using one or more SL BWPs among the SL BWPs. In response to determining that reconfiguration of the SL BWPs is necessary, the SL BWPs are reconfigured and a reconfiguration information message including reconfiguration information of the SL BWPs is transmitted to the participating terminals.
This application provides an uplink control information sending method and apparatus and an uplink control information receiving method and apparatus. The sending method includes: determining a mapping-affecting factor, where the mapping-affecting factor is used to indicate a physical uplink shared channel (PUSCH) or uplink control information; mapping the uplink control information to the PUSCH based on the mapping-affecting factor; and sending the PUSCH to a base station.
A method performed by a terminal in a communication system is provided. Information on a demodulation reference signal (DMRS) configuration type corresponding to a mapping pattern of a plurality of DMRS ports is received from a base station. Control information indicating at least one DMRS port among the plurality of DMRS ports is received from the base station. The at least one DMRS port associated with downlink data is identified based on the control information. Downlink data based on the identified DMRS port is received from the base station. The plurality of DMRS ports belong to two or three DMRS groups based on a DMRS configuration type. Resources corresponding to different DMRS groups are multiplexed based on an orthogonal code.
This application provides a reference signal transmission method and transmission apparatus. The transmission method includes: obtaining, by a network device, reference information of a terminal device, where the reference information includes at least one of an identifier of the terminal device and scheduling information of the terminal device; determining, by the network device, a transmission parameter of a phase tracking reference signal (PTRS) of the terminal device based on the reference information, where the transmission parameter includes at least one of a sequence of the PTRS and a frequency domain position of the PTRS; and transmitting, by the network device, the PTRS with the terminal device based on the transmission parameter. According to the reference signal transmission method and transmission apparatus provided in embodiments of this application, interference to the PTRS can be randomized.
Systems and methods for synchronizing cloud resources are disclosed. An example method may include receiving a first request to synchronize first target cloud resources to a first specified state defined in a configuration repository, generating one or more first configuration commands corresponding to the first request, the one or more first configuration commands associated with a first cloud provider and a first cloud configuration framework, and executing the one or more first configuration commands to set a state of the first target cloud resources to the first specified state.
Methods and systems for managing network resources enabling network services over a network and for managing maintenance of network resources. The method comprises determining a desired performance level for the network services, the desired performance level being associated with service metrics that establish compliance with a service level agreement; accessing internal data relating to operations of the network and external data not relating to operations of the network; generating a prediction of a network service pattern based on the desired performance level of the network services, the internal data and the external data; identifying a decision scenario for orchestration of the network resources, the decision scenario establishing a configuration of the network resources, the decision scenario being generated based on a correlation of the prediction of the network service pattern and availability of the network resources; and causing to adapt the network resources based on the decision scenario.
Northbound intent-based application insertion may be employed within a mobile communications network established with a software defined network (SDN) including both an applications plane and also a control plane in which different infrastructure resources are accessible through a northbound API. A request from a mobile application first is received in the control plane for the application to be inserted into the application layer utilizing different infrastructure resources of the control plane. The mobile application is then characterized and a set of recommended resources for the characterization retrieved. Finally, those of the resources to be utilized by the mobile application are compared to the set of recommended resources in order to identify a variance of resources and the resources to be utilized by the mobile application, as adjusted by the variance of resources, are then provisioned for use by the mobile application.
The present invention relates to a method for sending a data packet from a first communication unit of a communication system via a transmission channel that is shared with at least one further communication unit. The method comprises determining a current access priority for the shared transmission channel by the first communication unit, wherein the current access priority is directed towards data currently transmitted over the transmission channel. The data packet is segmented into packet segments, wherein the packet segments have a priority value which corresponds to a priority value of the data packet. The method also comprises sending the packet segments from the first communication unit via the shared transmission channel, wherein the packet segments are sent successively depending on the priority value and the current access priority.
Methods, non-transitory computer readable media, network traffic management apparatuses, and network traffic management systems include inspecting a plurality of incoming packets to obtain packet header data for each of the incoming packets. The packet header data is filtered using one or more filtering criteria. At least one of a plurality of optimized DMA behavior mechanisms for each of the incoming packets are selected based on associating the filtered header data for each of the incoming packets with stored profile data. The incoming packets are disaggregated based on the corresponding selected one of the optimized DMA behavior mechanisms.
A computing device includes an appliance status table to store at least one of reliability and performance data for one or more network functions virtualization (NFV) appliances and one or more legacy network appliances. The computing device includes a load controller to configure an Internet Protocol (IP) filter rule to select a packet for which processing of the packet is to be migrated from a selected one of the one or more legacy network appliances to a selected one of the one or more NFV appliances, and to update the appliance status table with received at least one of reliability and performance data for the one or more legacy network appliances and the one or more NFV appliances. The computing device includes a packet distributor to receive the packet, to select one of the one or more NFV appliances based at least in part on the appliance status table, and to send the packet to the selected NFV appliance. Other embodiments are described herein.
An information processing method includes: receiving a request for search with respect to a memory circuit that searches for information stored in a memory, issued from a requester; storing order information in which the request is issued; determining whether or not to make the memory circuit perform search on the basis of a predetermined requirement not to make the memory circuit perform search and the request; creating a predetermined response in a case where the memory circuit is not made to perform search; and returning a response of the memory circuit and the predetermined response to the requester in the issued order on the basis of the order information.
In one embodiment, a method includes receiving non-Internet Protocol (IP) traffic from one or more non-IP traffic sources. The method also includes terminating the non-IP traffic and re-originating the non-IP traffic as first IP traffic in accordance with one or more software-defined networking in a wide area network (SD-WAN) protocols. The method further includes communicating the first IP traffic to an SD-WAN link in accordance with one or more SD-WAN policies.
Techniques and mechanisms for compressing the size of SIDs to be smaller than a complete IPv6 address (or “micro SIDs”), and scaling micro SIDs across a multi-domain environment using micro SID-domain-blocks. Segment routing over IPv6 (SRv6) uses 128-bit IPv6 addresses as SIDs for segment routing. According to this disclosure, multiple SRv6 SIDs may be expressed in a compact format such that a 128-bit IPv6 address, such as the destination address field of the IPv6 header, may store multiple micro SIDs. Further, SID-domain-blocks may be assigned to each domain in a multi-domain network such that micro SIDs may be expressed in the context of a given domain, rather than being shared in the global multi-domain network. In this way, lists of domain-specific SIDs may be fully expressed in the IPv6 destination address of the packet to scale micro SID into large, multi-domain networks.
A method for reverse path forwarding (RPF) selection by a network device connected to a network includes receiving an advertisement message from each of a plurality of neighbor devices within the network, parsing the advertisement message to determine a color identification (ID) of each of the neighbor devices, and selecting, from among the neighbor devices, a RPF device based on the color ID of each of the neighbor devices.
Methods, systems, and computer readable media for network traffic generation using machine learning. An example method includes collecting first traffic from a production data center environment. At least a portion of the first traffic comprises live computer network traffic transiting the production data center environment. The method includes collecting second traffic from an emulated data center testbed device. At least a portion of the second traffic comprises testbed traffic that transits an emulated data center switching fabric of the emulated data center testbed device. The method includes training a traffic generation inference engine using the first traffic and the second traffic. The method includes generating, using the traffic generation inference engine, test traffic to test or stimulate a network system under test (SUT).
Data chunks sent to a content destination are tracked. It is determined whether content of a portion of an object to be sent to the content destination matches one of the data chunks previously sent to the content destination. In response to the determination that the portion of the object to be sent to the content destination matches one of the data chunks previously sent to the content destination, a source reference to the matching previously sent data chunk where the content destination can locally obtain the content for the portion of the object is provided to the content destination.
A method includes receiving a subscription request to obtain notifications of events pertaining to the data file that has been previously uploaded by a user account associated with a user device and stored at the cloud-based file system. The subscription request identifies a destination address for the notifications generated in accordance with the subscription request and one or more events, among multiple events, corresponding to the data file that are to prompt the notifications to be transmitted to the destination address associated with the networked device. The method includes determining that the subscription request is authorized, and identifying an occurrence of an event from the one or more events specified in the subscription request and involving the data file. The method includes transmitting to the destination address a notification indicating the occurrence of the event involving the data file.
A system and method for monitoring configuration status of a plurality of network components of a network. The method comprises generating, based on a network object model, a first configuration file indicative of expected configuration status of the plurality of network components, the network model comprising Node objects, Interface objects, evpnEdge objects and Layer objects. The method further comprises receiving a second configuration file indicative of current configuration status of the plurality of network components, the first and second configuration files comprising tagged sections and sub-sections, and comparing the first and second configuration files comprising comparing a first sub-section of the first configuration file with a corresponding second sub-section of the second configuration file based on tags of the first and second sub-sections, the first and second sub-sections comprising configuration commands relative to one of the plurality of network components.
Examples of device-driven management are described. A management service can transmit a device-driven management workflow to a number of client devices. The device-driven management workflow can include workflow objects that define a branching sequence of instructions. The client devices can provide a corresponding plurality of completion statuses for a step of the device-driven management workflow. The management service can identify a failure of the step according to a set of failure rules, and visually emphasize the failure within a representation of the device-driven management workflow.
An input signal has a desired signal component and an interfering signal component superimposed thereon. Interfering component estimation processing is applied to the input signal, obtaining as a result a filtered signal comprising a sequence of filtered data samples. The filtered signal is subtracted from the input signal obtaining as a result an output signal comprising a sequence of output data samples. The interfering component estimation processing applies conjugating processing to the input signal, providing a conjugated version of the input signal. An adaptive signal processing coefficient is computed and adaptive signal processing is applied to the conjugated version of the input signal using the adaptive processing coefficient.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a tracking reference signal (TRS) pattern to be used for receiving a TRS. The TRS pattern may indicate a plurality of TRS symbols of the TRS, one or more TRS symbols of the plurality of TRS symbols having a bandwidth that is different than a bandwidth of at least one other TRS symbol of the plurality of TRS symbols, or having a discontinuous tone allocation. The UE may receive the TRS based at least in part on the TRS pattern. Numerous other aspects are provided.
A method and apparatus provide synchronization signals and random access for flexible radio communication. Information can be received from a base station. The information can include a plurality of subcarrier spacings and at least one random access configuration for a cell. Each of the at least one random access configuration can be associated with at least one subcarrier spacing of the plurality of subcarrier spacings. The at least one subcarrier spacing can be used for communication. A random access configuration can be selected from the at least one random access configuration. A random access preamble can be transmitted according to the selected random access configuration.
A terminal includes a reception unit configured to receive information for allocating uplink transmission from a base station; a control unit configured to determine a CP extension value in a case where a parameter for calculating the CP extension value is not configured by the base station upon receiving the information; and a transmission unit configured to execute the uplink transmission by applying the determined CP extension value.
According to some embodiments, a method performed by a wireless device comprises receiving a wireless signal Rk over all subcarriers allocated to the wireless device. The signal Rk comprises a phase tracking reference signal (PT-RS) on a subset of subcarriers allocated to the wireless device and the subset comprises at least one non-contiguous subcarrier. The method further comprises computing a de-inter-carrier interference (ICI) filter based on the PT-RS and a channel estimate using a convolutional matrix CR of the received signal Rk and applying the de-ICI filter to the received signal Rk to generate a de-ICI filtered signal.
This disclosure describes methods and systems to externally manage network-to-network interconnect configuration data in conjunction with a centralized database subsystem. An example of the methods includes receiving and storing, in the centralized database subsystem, data indicative of user intent to interconnect at least a first network and a second network. The example method further includes, based at least in part on the data indicative of user intent, determining and storing, in the centralized database subsystem, a network intent that corresponds to the user intent. The example method further includes providing data indicative of the network intent from the centralized database subsystem to a first data plane adaptor, associated with the first network, and a second data plane adaptor, associated with the second network.
In embodiments of an autonomous vehicle platform and safety architecture, safety managers of a safety-critical system monitor outputs of linked components of the safety-critical system. The linked components comprise at least three components, each of which is configured to produce output indicative of a same event independent from the other linked components by using different input information than the other linked components. The safety managers also compare the outputs of the linked components to determine whether each output indicates the occurrence of a same event. When the output of one linked component does not indicate the occurrence of an event that is indicated by the outputs of the other linked components, the safety managers identify the one linked component as having failed. Based on this, the outputs of the other linked components are used to carry out operations of the safety-critical system without using the output of the failed component.
A hospitality property management tool and system and method for use of the same are disclosed. In one embodiment of the system, set-top boxes are located in respective rooms at a hospitality establishment. The set-top boxes are joined in network communication with environmental amenities, such as lights and a thermostat that respectively control lighting and temperature. The set-top boxes utilize an unoccupied room profile and occupied room profile to set the environmental conditions, such as lighting and temperature, in the rooms. A guest preference profile may be activated within a room to provide guest-specific environmental conditions in the room associated with the guest.
Aspects of the present disclosure involve a system comprising a computer-readable storage medium storing a program and method for presenting an overview of participant reactions to a virtual conference. The program and method provide for a virtual conference between plural participants; provide, for each of the plural participants, display of reaction buttons which are selectable by the participant to indicate different reactions to the virtual conference; receive indication of selections of the reaction buttons by one or more of the plural participants; store an indication of the selections over time in association with recording the virtual conference; generate a graphical overview of reactions to the virtual conference based on the stored indication of the selections; and provide, for a first participant of the plural participants, display of the graphical overview.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a repeater node may receive a communication, wherein the communication is to be forwarded by the repeater node in accordance with a digital repeating operation. The repeater node may perform a measurement associated with the communication. The repeater node may transmit, to a control node, a feedback communication that is based at least in part on the measurement associated with the communication. Numerous other aspects are provided.
A method for transmitting a message via an access network to a group of terminals is provided. The access network transmits the message to the group of terminals over a broadcast channel. The access network receives a request for retransmission of the message transmitted from a terminal that has not correctly received the message. The access network evaluates a predetermined broadcast retransmission criterion and retransmits the message over a point-to-point link or over a broadcast channel according to the predetermined broadcast retransmission criterion.
Embodiments of this application disclose a signal transcoding method performed by an electronic device. The method includes: acquiring an encoding result of an ith signal frame and encoding results respectively corresponding to first n signal frames of the ith signal frame; generating forward error correction (FEC) encoding results respectively corresponding to the first n signal frames according to the encoding results respectively corresponding to the first n signal frames; and synthesizing the encoding result corresponding to the ith signal frame and the FEC encoding results respectively corresponding to the first n signal frames to generate an encoded frame corresponding to the ith signal frame, the encoded frame comprising a flag bit for indicating a value of n. According to this application, a quantity of FEC encoded frames included in an encoded frame can be flexibly adjusted to improve the reliability of data transmission in a poor network state.
Embodiments of this application provide a non-coherent data transmission method and a communication apparatus. In the method, a transmit end device determines, in a first constellation, a first constellation point corresponding to first to-be-modulated bits, where the first constellation point corresponds to P first symbols, P=M*N, M is a positive integer, and N is an integer greater than 1; and sends the P first symbols on N resource units by using M antenna ports, or sends P second symbols determined based on the P first symbols, and foregoes sending demodulation reference signals of the P first symbols or the P second symbols. In the method, a constellation is designed, and each constellation point in the constellation corresponds to a plurality of resource units so that data can be transmitted with no need to transmit a reference signal, and only the data needs to be transmitted.
The accuracy of an offset value is improved by correcting an error in time synchronization caused by link asymmetry. PTP packets are exchanged between a master node 3 and a slave node 4 vis a first transmission device 1 connected to the master node 3 and a second transmission device 2 corresponding to the first transmission device 1 and connected to the slave node 4. The second transmission device 2 includes: a transmission section 16 configured to transmit PTP packets for a plurality of wavelengths to the corresponding transmission device simultaneously; and a reception section 17 configured to calculate a propagation delay Dms on a path from the corresponding transmission device to the second transmission device 2 based on a difference between the arrival times of the PTP packets for the plurality of wavelengths received from the corresponding transmission device, and provide the propagation delay Dms to the slave node 4 as a correction parameter used in a process of synchronizing the time of the slave node 4.
Apparatuses, methods, and systems for dynamically estimating a propagation time between a first node and a second node of a wireless network are disclosed. One method includes receiving, by the second node, from the first node a packet containing a first timestamp representing the transmit time of the packet, receiving, by the second node, from a local time source, a second timestamp corresponding with a time of reception of the first timestamp received from the first node, calculating a time difference between the first timestamp and the second timestamp, storing the time difference between the first timestamp and the second timestamp, calculating a predictive model for predicting the propagation time based the time difference between the first timestamp and the second timestamp, and estimating the propagation time between the first node and the second node at a time by querying the predictive model with the time.
A satellite communication system communicates via a communication satellite using one of a plurality of portable station devices as a master station device and another portable station device as a slave station device. The master station device transmits a first control signal for the slave station device to establish synchronization. The master station device determines that the slave station device is in a communicable state by a second control signal received from the slave station device that has received the first control signal and established synchronization. The master station device selects one of at least one slave station devices in a communicable state and transmits a third control signal for instructing start of transmission of a communication signal to the selected slave station device and the subject device. Due to this, it is possible to connect a channel between portable station devices without the intervention of a control station device or a regulation station device.
Systems and methods for transmitting data using a satellite communication network are disclosed herein. In an embodiment, a satellite communication network includes a first terminal, a second terminal, and a base station. The first terminal is configured to collect first target data. The second terminal is configured to receive a first data packet including the first target data from the first terminal via a local connection. The base station is in communication with the first terminal and the second terminal via at least one satellite. The base station is configured to: (i) receive copies of the first data packet from each of the first and second terminals via the at least one satellite; (ii) process a first copy of the first data packet; and (iii) delete a second copy of the first data packet.
Aspects presented herein may improve the precision and performance of a TDOA-based UE positioning scheme that is associated with an NTN. In one aspect, a UE receives, from a first satellite, a first PRS at a first reception time. The UE receives, from a second satellite, a second PRS at a second reception time and an indication of a transmission-reception time difference, the transmission-reception time difference being a difference between a time the second satellite transmits the second PRS to the UE and a time the second satellite receives an RS from the first satellite. The UE calculates an RSTD for the first PRS and the second PRS based at least in part on the first reception time of the first PRS, the second reception time of the second PRS, and the transmission-reception time difference.
A radio communication route enables communication from an originating ground station to a destination ground station via one of multiple randomly orbiting satellites with no attitude control. The ground stations and satellites include directional antennas for receiving radio signals from and transmitting radio signals in multiple directions. The satellites store an address of a destination ground station from which an initial information signal is transmitted and antenna information identifying the satellite antenna on which the initial information signal was received. Plural satellite antennas transmit linking information identifying the satellite to the originating ground station. Data transmissions received at the originating ground station that designate a particular destination are transmitted by the originating ground station using the antenna on which the linking information was received and the satellite retransmits the data transmission using the satellite antenna identified by the stored antenna information.
A network environment includes a repeater wireless station. The repeater wireless station receives a first wireless signal from a wireless base station. The repeater wireless station transmits a second wireless signal from the repeater wireless station. The second wireless signal is a reproduction of the first wireless signal. When transmitting the second wireless signal, the repeater wireless station controls a phase shift of the second wireless signal with respect to a timing of the received first wireless signal to reduce wireless interference in the network environment.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may establish a communication link using a first serving beam on a secondary component carrier (SCC). The UE may identify a link failure associated with the first serving beam. The UE may transmit an out-of-range indication associated with the first serving beam in association with the link failure. The UE may report measurement information for one or more candidate serving beams. The UE may receive an indication of a second serving beam from the one or more candidate serving beams. The UE may switch to the second serving beam for the SCC. Numerous other aspects are described.
The present specification discloses a method for receiving, by a terminal, a machine type communication (MTC) physical downlink control channel (MPDCCH) from a base station in a wireless communication system, the method comprising: receiving, from a base station, configuration information related to reception of a demodulation reference signal (DMRS) to which one of a plurality of candidate precoders applied to a cell specific reference signal (CRS) is applied; receiving, from the base station, the DMRS and control information through the MPDCCH on the basis of the configuration information; performing channel estimation on the MPDCCH on the basis of at least one of the DMRS or the CRS; and demodulating the control information on the basis of the channel estimation, wherein when a subframe which is not available for the CRS exists in an MPDCCH repetition, the channel estimation is performed using only the DMRS.
An antenna offset compensation determination method includes: transmitting, from a first apparatus to a second apparatus, one or more first signals from a first plurality of antenna elements, of a first antenna of the first apparatus, and one or more second signals from a second plurality of antenna elements, of the first antenna; receiving, at the first apparatus from the second apparatus, one or more first indications of a first linear offset of a first signal distinction line relative to a second antenna of the second apparatus, the first signal distinction line corresponding to a first transition between the one or more first signals and the one or more second signals as received by the second antenna; and determining, based on the first linear offset, one or more compensation parameters for compensating for the first linear offset.
This application provides a method and an apparatus for determining transmit power. The method includes: A terminal device determines a first bit rate of channel state information part 1 CSI-1, where the first bit rate is a bit quantity of the CSI-1 carried on each resource element for transmitting the CSI-1; and the terminal device adjusts transmit power of a physical uplink shared channel PUSCH based on the first bit rate, where the PUSCH is used to carry the CSI-1.
Channel state information (CSI) feedback in a wireless communication system is disclosed. User equipment transmits a CSI feedback signal via a Physical Uplink Control CHannel (PUCCH). If the UE is configured in a first feedback mode, the CSI comprises a first report jointly coding a Rank Indicator (RI) and a first precoding matrix indicator (PMI1), and a second report coding Channel Quality Indicator (CQI) and a second precoding matrix indicator (PMI2). If the UE is configured in a second feedback mode, the CSI comprises a first report coding RI, and a second report coding CQI, PMI1 and PMI2. The jointly coded RI and PMI1 employs codebook sub-sampling, and the jointly coding PMI1, PMI2 and CQI employs codebook sub-sampling.
A method and arrangement for testing wireless connections is provided. The method comprises obtaining (500) a three-dimensional model of a given environment; obtaining (502) ray tracing calculations describing propagation of radio frequency signals in the given environment; locating (504) one or more devices in the given environment; determining (506) utilising ray tracing calculations the radio frequency signal properties of one or more devices communicating with the device under test; transmitting (508) control information to the radio frequency controller unit for updating the connections between one or more devices and a set) of antenna elements to match with the determined properties; obtaining (510) information on the location and propagation environment of the one or more devices and updating (512) the radio frequency signal properties of the one or more devices if the location or propagation environment changes.
A system senses analytes through one or more sensors that detect or measure a physical characteristic. The one or more sensor generate a spectroscopic-data signal corresponding to the detection. An edge device communicatively couples the one or more sensors that communicatively couples a wide-area network coupling a cloud service. The edge device includes a data acquisition device that receives spectroscopic data signals from the one or more sensor and a processor that processes the spectroscopic-data signals to identify an analyte. The edge device also includes a transceiver that transmits data identifying the analytes to the cloud service.
A communication system that includes a cloud server that obtains first sensor data associated with a defined indoor area and second sensor data associated with each of a plurality of optical nodes in defined indoor area. The plurality of optical nodes includes a master communication device, a plurality of optical routing devices, and one or more service communication devices. The cloud server further obtains location coordinates of each of the plurality of optical nodes. The cloud server then causes the master communication device to form a laser beam-based wireless communication network in the defined indoor area. A free-space optical backhaul is constructed by establishing a point-to-point free-space laser link between each pair of optical nodes of the plurality of optical nodes and a RF supervisory link is established between each pair of optical nodes of the plurality of optical nodes for a network monitoring and control function.
System and method for processing an analog signal. For example, a demodulator for processing an analog signal includes one or more analog-to-digital converters configured to receive an analog signal and generate a digital signal based at least in part on the analog signal, and a correlator coupled to the one or more analog-to-digital converters and configured to generate a stream of correlation results including a first plurality of correlation results, a second plurality of correlation results, and a third plurality of correlation results. The first plurality of correlation results is different from the second plurality of correlation results by at least one correlation result, and the second plurality of correlation results is different from the third plurality of correlation results by at least another correlation result.
A beam forming network system includes a first beam forming network having first and second ports, in which each of the first ports is operatively coupled to an antenna element; and a second beam forming network including third and fourth ports, in which each of the third ports is operatively coupled to one of the second ports using at least one of a phase shifter, attenuator, power divider, and/or hybrid coupler. A method of beam forming includes coupling each of the first ports associated with a first beam forming network operatively to one antenna element, and coupling each of the third ports associated with a second beam forming network operatively to one of the second ports associated with the first beam forming network using at least one of a phase shifter, attenuator, power divider, and/or hybrid coupler.
An antenna interface arrangement is disclosed for cancellation of a transmit signal at a receiver port of a transceiver. The antenna interface arrangement comprises a distributed transformer and an impedance. The distributed transformer has a primary side winding connectable to an antenna port of the transceiver and having a first part (111) and a second part (112), a first secondary side winding (113) connectable to a transmitter port of the transceiver and having a first inductive coupling to the first part of the primary side winding, and a second secondary side winding (114) connectable to the receiver port of the transceiver and having a second inductive coupling to the second part of the primary side winding. The impedance (106, 107) is connected between the first secondary side winding and the second secondary side winding. The first and second inductive couplings are adapted to provide a first version of the transmit signal at the receiver port, and the impedance is adapted to provide a second version of the transmit signal at the receiver port, for cancelling the first version of the transmit signal. In some embodiments, the antenna interface arrangement is also for cancellation of a received signal at the transmitter port of the transceiver. Corresponding transceiver and communication device are also disclosed. In some embodiments, the antenna interface arrangement is also for cancellation of a received signal at the transmitter port of the transceiver. Corresponding transceiver and communication device are also disclosed.
A system for providing distributed communication with respect to a user equipment is provided. The system includes multiple communication units for distributing the communication with respect to the user equipment, a communication management unit connected to at least a pan of the multiple communication units in a connection line for managing the distributed communication, a connection unit including loss-inserting properties for connecting the multiple communication units to the connection line, an amplifying unit for being arranged with respect to the connection units, and a scheduling unit. The scheduling unit is configured to determine power loss with respect to the units on the basis of the corresponding loss-inserting properties and/or to schedule at least one of the multiple communication units and/or the at least one amplifying unit m order to compensate for power loss with respect to the at least one connection unit.
Described herein are radio tray assemblies that include space for a specific radio and its power supply and that additionally provide cooling and power conversion and control functionalities. The disclosed radio tray assemblies are designed to have a form factor compatible with legacy radio systems (e.g., MIDS-LVT) while enabling installation of a new radio system (e.g., MIDS-JTRS). The disclosed radio tray assemblies are configured so that the radio and its power supply are secured to a tray so that the radio and power supply are side-by-side and parallel lengthwise. A cooling module or assembly of the disclosed radio tray assemblies is disposed immediately behind the radio and its power supply and is configured to cool these units using forced air cooling directed lengthwise through the radio and its power supply. A power converter and controller module converts input power into the power required by the radio power supply.
A radio-frequency module includes a first terminal, a second terminal, a first switch including a first switch terminal connected to the first terminal and a second switch terminal connectable to the first switch terminal, a second switch including a third switch terminal connectable to the second terminal, a first filter connected between the second switch terminal and the third switch terminal, and a substrate. The first switch and the second switch are included in a single semiconductor chip. The first filter and the semiconductor chip are on the substrate. In a plan view of the substrate, a first distance between the third switch terminal and the first switch terminal or a second distance between the third switch terminal and the second switch terminal is greater than a third distance between the first switch terminal and the second switch terminal.
A 10BASE-T transmitter includes a Manchester encoder circuit, a waveform shaper circuit, and digital-to-analog converter (DAC) circuit. The Manchester encoder circuit applies Manchester encoding to an input data to generate an encoded data. The waveform shaper circuit converts the encoded data into a plurality of digital codes. The DAC circuit generates a transmit (TX) waveform according to the plurality of digital codes. The waveform shaper circuit controls a portion of the plurality of digital codes for applying pre-compensation of inter-symbol interference (ISI) to the TX waveform.
A radio frequency module includes a first reception low-noise amplifier that amplifies a radio frequency reception signal of a first communication band, a second reception low-noise amplifier configured to amplify a radio frequency reception signal of a second communication band different from the first communication band, and a module board which includes a first principal surface and a second principal surface on opposite sides of the module board, and on which the first reception low-noise amplifier and the second reception low-noise amplifier are mounted. The first reception low-noise amplifier is disposed on the first principal surface, and the second reception low-noise amplifier is disposed on the second principal surface.
Disclosed is a transmission radio frequency (RF) circuit including a transmission mixer configured to receive an intermediate frequency (IF) signal and up-convert the IF signal into an RF signal, a driving amplifier configured to amplify the RF signal, and an LLC filter electrically connected to a differential output of the transmission mixer and a differential input of the driving amplifier, the LLC filter comprising a first inductor connecting a first node of the differential output of the transmission mixer to a first intermediate node, a second inductor connecting a second node of the differential output of the transmission mixer to a second intermediate node, a third inductor connecting the first intermediate node to the second intermediate node, and a capacitor in parallel with the third inductor.
A method of frequency-converting a received radio frequency (RF) signal includes frequency mixing a received RF signal with a first local oscillator (LO) signal to generate a first intermediate frequency (IF) signal, where the first IF signal is a mixed signal of a desired signal and an image signal. The method further includes frequency mixing the RF signal with a second LO signal to generate a second IF signal, where the second LO signal has a same frequency as the first LO signal, and the second LO signal has a 90 degree phase shift relative to the first LO signal. The method further includes analog-to-digital converting the first IF signal to a first digital signal and the second IF signal to a second digital signal, down-converting the first digital signal to a first digital baseband signal and the second digital signal to a second digital baseband signal, calibrating the first and second digital baseband signals for the 90 degree phase shift, and the separating the calibrated first and second digital baseband signals to obtain the desired signal and the image signal.
In an embodiment, an ADC converter includes a first injection branch and a second injection branch, a first feedback branch and a second feedback branch, an integration node connected to the first and second injection branches and the first and second feedback branches, an integrator connected to the integration node and a comparator connected downstream of the integrator and configured to generate a comparator output signal to control the first and second feedback branches, wherein the first and second injection branches are configured to provide a charge injection dependent on a respective input quantity to the integration node, wherein the input quantity of the first injection branch is selected from a differential voltage signal, a capacitance dependent signal and a current dependent signal, wherein the input quantity of the second injection branch is selected from another one of the differential voltage signal, the capacitance dependent signal and the current dependent signal, and wherein the first and second feedback branches are configured to provide a feedback charge injection dependent on the comparator output signal to the integration node, the first and second feedback branches configured to receive one of a fixed voltage signal or a differential voltage signal.
A processing circuit is configured to: construct a first locator polynomial for a Reed-Solomon codeword to identify locations of erasures in the Reed-Solomon codeword; determine a first syndrome of the Reed-Solomon codeword; calculate a first error evaluator polynomial from the first syndrome and the first locator polynomial; and perform error detection based on the first error evaluator polynomial to determine presence of errors in the Reed-Solomon codeword. When presence of errors in the Reed-Solomon codeword is not detected in the error detection, the processing circuit bypasses updating the first locator polynomial and proceeds to completing decoding of the Reed-Solomon codeword, but when presence of errors in the Reed-Solomon codeword is detected in the error detection, the system first updates the first locator polynomial to a second locator polynomial in a process with reduced complexity compared to the common one, before completing decoding of the Reed-Solomon codeword.
A spur measurement system uses a first device with a spur cancellation circuit that cancel spurs responsive to a frequency control word identifying a spurious tone of interest. A device under test generates a clock signal and supplies the clock signal to the first device through an optional divider. The spur cancellation circuit in the first device generates sine and cosine weights at the spurious tone of interest as part of the spur cancellation process. A first magnitude of the spurious tone in a phase-locked loop in the first device is determined according to the sine and cosine weights and a second magnitude of the spurious tone in the clock signal is determined by the first magnitude divided by gains associated with the first device.
A first clock signal is generated from a reference clock signal. A first frequency associated with the first clock signal is less than a reference clock frequency associated with the reference clock signal. The first clock signal is propagated towards a first component of an integrated circuit through a clock tree. A second clock signal having a second frequency is generated from the first clock signal at a terminal point of the clock tree. The second clock signal is provided to the first component.
A digitally controlled delay line (DCDL) includes input and output terminals, and a plurality of stages that propagate a signal along a first signal path from the input terminal to a selectable return stage and along a second signal path from the return stage to the output terminal. Each stage includes a first inverter that selectively propagates the signal along the first signal path, a second inverter that selectively propagates the signal along the second signal path, and a third inverter that selectively propagates the signal from the first signal path to the second signal path. At least one of the first or third inverters includes a tuning portion including either a plurality of parallel, independently controllable p-type transistors coupled in series with a single independently controllable n-type transistor, or a plurality of parallel, independently controllable n-type transistors coupled in series with a single independently controllable p-type transistor.
A ring oscillator includes an oscillation module, a first delay module, and a second delay module. The oscillation module is disposed in a first delay loop and a second delay loop and includes a first number of latches connected in series. The oscillation module has two input ends and two output ends, and the two input ends are respectively connected to a first node and a second node. The first delay module is disposed in the first delay loop and has an input end connected to a first output end of the oscillation module and an output end connected to the first node. The second delay module is disposed in the second delay loop and has an input end connected to a second output end of the oscillation module and an output end connected to the second node.
Circuits and methods that control a rate of change of a drain voltage as a function of time in a transistor are disclosed. In one aspect, the circuit includes a transistor having a gate terminal that controls operation of the transistor, and a control circuit coupled to the gate terminal and arranged to change a voltage at the gate terminal at a first rate of voltage with respect to time from a first voltage to a first intermediate voltage, and further arranged to change the voltage at the gate terminal at a second rate of voltage with respect to time from the first intermediate voltage to a second intermediate voltage, where the first rate is different than the second rate.
An optical keyswitch includes a keycap, a support mechanism, and a switch module. The support mechanism is disposed below the keycap and configured to support the keycap moving upward and downward, the support mechanism comprising a first frame and a second frame, the first frame having a sliding end. The switch module includes a circuit board, an emitter, and a receiver, the emitter and the receiver are electrically connected to the circuit board, and the emitter emitting an optical signal to the receiver. When the keycap is pressed, the first frame is driven by the keycap to slide substantially parallel to the circuit board and block the optical signal with the sliding end, so the switch module is triggered to generate a triggering signal.
A multiplexing circuit including an output terminal, a first type transistor, a second type transistor and an impedance circuit; the first type transistor is coupled to the output terminal, wherein a gate terminal of the first type transistor is configured to receive a control signal and free from receiving a clock signal; the second type transistor is coupled to the output terminal, wherein a gate terminal of the second type transistor is configured to receive the clock signal, and the first type transistor is different from the second type transistor; the impedance circuit is arranged to provide an impedance between the gate terminal of the first type transistor and the output terminal, wherein the impedance circuit is free from connecting to the gate terminal of the second type transistor.
an electronic circuit according to an embodiment includes: a generation circuit generating a first clocksignal and a second clocksignal delayed from the first clocksignal; a first coupler transmitting one of the first and the second clocksignals by electromagnetic coupling; a first converter driven by the transmitted clocksignal and converting a first input signal into a first signal of a frequency corresponding to the transmitted clocksignal; a second coupler transmitting the first signal by electromagnetic coupling; a second converter converting the first signal into a second signal of a frequency corresponding to the first input signal with the other of the first and the second clocksignals; an output device outputting the second signal; and a protection circuit connected to a line through which the one of the first and the second clocksignals is transmitted between the first coupler and the first converter.
During an ON period of a high breakdown voltage switch provided within an ON period of a semiconductor switching element, a detection circuit outputs to a predetermined node a voltage obtained by dividing an inter-terminal voltage by a plurality of resistor elements. A voltage comparison circuit outputs a detection signal indicating whether or not the inter-terminal voltage is greater than a predetermined determination voltage based on a comparison between the voltage of the predetermined node and a predetermined DC voltage. The high breakdown voltage switch has a breakdown voltage greater than a potential difference between a high potential and a low potential during an OFF period.
A high-side driver circuit is a circuit that drives a power semiconductor switch. The high-side driver circuit comprises a main switch N-channel MOSFET that has a drain terminal that is connected to a plus-side Vdc of a power supply and has a source terminal that is connected to an OUT terminal for a signal that drives the power semiconductor switch, a charge storage circuit that stores charge from the Vdc, and a voltage detection-capable switch that detects the voltage difference between an output terminal of the charge storage circuit and the Vdc and, upon detecting that the output terminal voltage of the charge storage circuit is at least a specific voltage higher than the voltage of a plus-side Vcc of the power supply, applies part or all of the output voltage of the charge storage circuit to a gate terminal of the main switch N-channel MOSFET.
A broadband switch includes multi-stage electromechanical ganged stage relays. The ganged stage relays provide at least 65 dB of electrical isolation from active broadband input or active broadband output to all non-active broadband inputs. In a further aspect, the ganged stage relays provide at least 100 dB of electrical isolation from 1 kHz to 100 MHz from broadband inputs and broadband output to power inputs.
An acoustic wave device includes N band pass filters with first ends connected to define a common connection and having different pass bands. At least one of the band pass filters includes acoustic wave resonators including a lithium tantalate film having Euler angles (φLT=0°±5°, θLT, ψLT=0°±15°), a silicon support substrate, a silicon oxide film between the lithium tantalate film and the silicon support substrate, an IDT electrode, and a protective film. In at least one acoustic wave resonator, a frequency fh1_t(n) satisfies Formula (3) or Formula (4) for all m where m>n:
fh1_t(n)>fu(m) Formula (3); and
fh1_t(n)
A circuit is disclosed, in accordance with some embodiments. The circuit includes a transistor stage, a resistive element, a first tunable capacitive element and a second tunable capacitive element. The transistor stage includes a first input/output terminal and a second input/output terminal. The resistive element is connected to the transistor stage. The first tunable capacitive element is connected in parallel with the resistive element. The second tunable capacitive element is connected to the second input/output terminal of the transistor stage. The first tunable capacitive element and the second tunable capacitive element are configured to be selectively turned on and off to provide different frequency responses.
A low-noise amplifier in a receiver supporting a beam forming function may selectively change a phase shift for beam steering. The low-noise amplifier may include first and second transistors and a variable capacitance circuit connected to a gate of the second transistor. The variable capacitance circuit may selectively change capacitance thereof based on a capacitance control signal applied thereto according to beam-forming information, where the changed capacitance correspondingly causes a phase change in an output signal of the low-noise amplifier. A similar scheme may be employed for amplifiers in transmit signal paths to steer a transmit beam.
In an embodiment, an electronic circuit includes: an input differential pair including first and second transistors; a first pair of transistors in emitter-follower configuration including third and fourth transistors, and an output differential pair including fifth and sixth transistors. The third transistor has a control terminal coupled to the first transistor, and a current path coupled to a first output terminal. The fourth transistor has a control terminal coupled to the second transistor, and a current path coupled to a second output terminal. The fifth transistor has a control terminal coupled to the first transistor, and a first current path terminal coupled to the first output terminal. The sixth transistor has a control terminal coupled to the second transistor, and a first current path terminal coupled to the second output terminal. First and second termination resistors are coupled between the first pair of transistors and the output differential pair.
A power amplifier module includes an amplifier transistor and a bias circuit. A first power supply voltage based on a first operation mode or a second power supply voltage based on a second operation mode is supplied to the amplifier transistor. The amplifier transistor receives a first signal and outputs a second signal obtained by amplifying the first signal. The bias circuit supplies a bias current to the amplifier transistor. The bias circuit includes first and second resistors and first and second transistors. The first transistor is connected in series with the first resistor and is turned ON by a first bias control voltage which is supplied when the first operation mode is used. The second transistor is connected in series with the second resistor and is turned ON by a second bias control voltage which is supplied when the second operation mode is used.
Devices and methods for cleaning an array of solar panels in side-by-side relation employ one or more elongated flexible elements, preferably implemented as translucent strips (14a, 14b, 14c, 14d), anchored at their ends relative to the array of solar panels (12). Each strip spans two or more solar panels, and is wind-displaceable so as to contribute to cleaning of at least two of the solar panels (12).
A step motor drive device includes a step motor including a rotor, stators, and a coil, a drive circuit that outputs a drive signal including a plurality of partial signals that are output intermittently, a detecting circuit that detects an electromagnetic induced current that is generated in the coil after the partial signals are output, and a control unit that controls the drive circuit. The drive circuit outputs one of the partial signals included in the drive signal to the coil, and, in response to a change in an electromagnetic induced current generated in the coil after the partial signal is output, outputs a next partial signal to the coil. The control unit determines a control method of the step motor based on an interval of the plurality of partial signals, and controls the drive circuit based on the determined control method.
A system for braking an electric motor. For each motor winding, a first switch is connected between the winding and electrical ground and in series with a resistor and is closeable to connect the winding to ground through the resistor, and a second switch is connected between the winding and ground and is closeable to bypass the resistor. A controller receives feedback regarding the speed and sends to the second switch a pulse width modulated signal which selectively opens and closes the second switch to connect and disconnect the resistor to achieve an optimal equivalent average stator resistance for the motor speed which results in a power transfer to the resistor and increases a braking torque as the motor slows. The pulse width modulated signal opens the second switch for a longer time when the motor speed is higher and for a shorter time when the motor speed is lower.
A method for dynamic braking of a permanent magnet motor, and an elevator utilizing thereof, are presented. The arrangement includes a corresponding number of phase legs and input connectors relative to a number of the plurality of motor windings, wherein each one of the input connectors is coupled to a respective one of the phase legs. At least some of the phase legs comprise at least two semiconductor devices. Second terminals of the phase legs are connected to each other, wherein the arrangement includes a number of semiconductor switches configured for forming a short-circuit between each of the plurality of motor windings.
An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value.
An electric motor control apparatus that alternately switches modulation mode between an asynchronous PWM control, which controls an electric motor by fixing a PWM frequency, and a synchronous PWM control, which controls the electric motor by making the PWM frequency proportional to a drive frequency of the electric motor, wherein when switching the modulation mode, a compensation value is calculated based on a state quantity, which correlates with a component in a rotating coordinate system of a voltage applied to the electric motor and is obtained immediately before switching, and the voltage immediately after switching is compensated for by the compensation value.
A power supply system includes a first saturable reactor electrically connected to a first AC phase input, to a second AC phase input, and to a third AC phase input. The first saturable reactor is electrically connected to a first DC output. A second saturable reactor is electrically connected in parallel with the first saturable reactor to the first AC phase input, to the second AC phase input, and to the third AC phase input. The second saturable reactor is electrically connected to a second DC output. A reactor controller can be operatively connected to the first saturable reactor and to the second saturable reactor to regulate DC output voltage to the first and second DC outputs.
A method for preventing collisions when driving at least two movers on a drive surface, each mover comprising at least one magnetic field generator, with a device comprising a plurality of plate-shaped sectors, the sectors each comprising at least one electric magnetic field generator. The sectors form the drive surface, generating magnetic fields via control of a power supply of the electric magnetic field generators such that the movers are movable over the drive surface in at least one direction. A first path planning for the first mover is carried out, an estimated second travel path of the second mover is determined or received, and the estimated second travel path of the second mover is taken into account in the first path planning of the first mover to determine a first travel path for the first mover such that collision of the first mover with the second mover is prevented.
Method for monitoring the distribution of power in a hybrid propulsion system comprising one or more electrical sources delivering an AC voltage, each of which is associated with an AC-to-DC controlled rectifier and one or more batteries, wherein, the AC-to-DC controlled rectifier and the battery each being connected directly to an HVDC bus supplying one or more electrical loads with power, the monitoring of the distribution of power is performed through the individual AC-to-DC controlled rectifier by a feedback loop to a power setpoint (Pref) on the basis of a measured power of the battery (Pbat) and a feedback loop to a voltage setpoint (Vref) on the basis of a measured voltage of the HVDC bus (VHVDC), either one of these two feedback loops delivering an RMS current setpoint Idref and Iqref for a feedback loop on the basis of a current (Igen) of the electrical source delivering an AC voltage.
A power-supply control device capable of reducing a size of a power-supply device including a main power-supply and a plurality of auxiliary power-supply systems and stably supplying electric power to the plurality of auxiliary power-supply systems is provided. The power-supply control device includes a DC/DC converter that steps down a power-supply voltage from a main battery and outputs the stepped-down power-supply voltage to a first auxiliary power-supply system and a second auxiliary power-supply system; and a controller that stops supply of electric power from the DC/DC converter to the second auxiliary power-supply system when a load of a heater is in a predetermined high-load state, and supplies electric power from the DC/DC converter to the second auxiliary power-supply system when the load of the heater changes from the predetermined high-load state to a predetermined low-load state.
An improved method for zero-voltage switching (ZVS) of a voltage-fed half-bridge using a variable dead band is provided. The duration of the dead band is determined dynamically and is precisely long enough to ensure the absence of shoot-through events while also minimizing or eliminating switching losses and reverse conduction losses. The method generally includes: (a) calculating the equivalent capacitance as seen by the current source charging the midpoint of the half-bridge; (b) calculating the ZVS charge requirement based on the link voltage and the equivalent capacitance; (c) calculating the charge delivered by the current source over time during a dead band vector, equating the result to the ZVS charge requirement, and solving for the ZVS time requirement at each commutation point over the switching cycle; and (d) updating the dead bands for each commutation of each half-bridge in the switched-mode power converter.
A gate driver circuit comprises an auxiliary winding, a voltage summer, an auxiliary voltage bus, a gate driver integrated circuit (IC), and a controller. The auxiliary winding is positioned adjacently to the inductor and configured to inductively couple with the inductor. The voltage summer comprises a pair of diodes coupled to the auxiliary winding and a pair of capacitors coupled to the pair of diodes. The auxiliary voltage bus is configured to receive a summed voltage from the voltage summer based on a sum of voltages stored in the pair of capacitors. The gate driver IC is configured to receive a voltage from a positive rail of the auxiliary voltage bus and to output a gate control signal to control a switching device based on the received voltage and based on a pulse signal generated by the controller.
A stator includes a terminal unit disposed on a first side in an axial direction with respect to a stator main body, and the terminal unit includes a base extending in an arc shape in a circumferential direction following the stator main body, a first inner side engaging portion provided on an inner circumferential edge of the base, an outer side engaging portion provided on an outer circumferential edge of the base, and an arm extending from the outer circumferential edge of the base in the radial direction and continuous with the outer side engaging portion.
A drive motor for vehicles includes: a stator; a rotor rotatably disposed inside the stator; a hollow shaft disposed inside the rotor, configured to be rotatable with the rotor and including a plurality of through-holes; and a housing configured to accommodate the stator, the rotor, and the hollow shaft, and including a channel, wherein the channel is formed in an inner wall of the housing and is configured to allow an upper side of the inner wall and an interior of the hollow shaft to communicate with each other and allow oil flow therein.
An object of the present invention is to provide a sealing member that provides high sealability in a coolant flow path. A rotating electrical machine includes a stator core around which a winding is wound, a stator frame that supports the stator core, a housing that is disposed outside the stator frame and forms a flow path space with the stator frame, and a sealing member that is disposed between the stator frame and the housing. The housing includes a mounting portion on which the sealing member is mounted. The sealing member includes a base portion that is in contact with the housing and the stator frame, and an attachment portion that protrudes from the base portion and is inserted to the mounting portion of the housing.
Provided are a motor with which dynamic unbalance of a rotor can be suppressed, and a deterioration in the motor characteristics can be reduced, and a method for manufacturing said motor. In a motor unit: a rotor central position, a magnet central position, and a stator central position are offset from one another; a length L1 between inner wall surfaces, facing one another in an axial direction, of magnet holders, an axial direction magnet length L2 of magnets, and an offset length L3 satisfy L1−L2
The disclosure relates to a filter circuit on an electric motor which has electrical connections at a connection end for connection to a supply voltage (U). The filter circuit consists of at least one capacitor bridge arranged between the connections of the electric motor for radio interference suppression. For increased electromagnetic compatibility (EMC), the filter circuit is arranged on a circuit board and held on the connection end of the electric motor. The circuit board has a capacitor bridge with interference suppression capacitors, which is connected between the electrical connections of the electric motor, wherein an interference suppression capacitor has a longitudinal axis between its electrical connections in the longitudinal direction. The interference suppression capacitors are arranged on the circuit board with their longitudinal axes aligned in different spatial directions.
The electric power steering device includes a motor and a control unit integrated coaxially therewith at an output shaft end of the motor. The motor has two sets of windings independently of each other. The control unit includes two inverter circuits having a plurality of switching elements for supplying currents, and two control circuits for respectively outputting drive signals to the inverter circuits. The inverter circuits are formed by power modules, and have detection terminals for detecting voltages between both ends of shunt resistors for detecting currents. Shield walls for shielding noise are provided to a heatsink for supporting the power modules and control boards forming the control circuits. The shield walls support the control boards.
The present disclosure relates to a rotor assembly and a consequent-pole motor, and the rotor assembly includes an iron core and a plurality of permanent magnets. The iron core is provided with a plurality of mounting grooves for accommodating permanent magnets distributed along a circumferential direction of the iron core. One side of each of the mounting grooves adjacent to an end of an outer edge of the iron core is provided with a second air slot which is located in a consequent-pole region. The second air slot is communicated with the mounting groove. The second air slot can, on one hand, prevent magnetic lines emitted from the permanent magnet from short-circuiting through an end of the permanent magnet, so as to decrease the magnetic flux leakage, and on the other hand, adjust an orientation of the magnetic lines in the consequent-pole region, so as to weaken torque fluctuation.
A stator liquid cooling structure and a stator structure of a stator yokeless disc motor are provided. The cooling structure includes an annular stator bracket and a water jacket. An outer periphery of the stator bracket is in a groove structure and is fixedly connected with the water jacket. Opposite upper and lower ends of the water jacket are provided with a liquid inlet and a liquid outlet. The stator structure includes stator cores, an armature winding, the stator bracket and the water jacket. A first stator core and a second stator core of the stator cores are same in structure and oppositely arranged. The armature winding is wound on first stator tooth bodies and second stator tooth bodies of the stator cores; the first stator tooth bodies and the second stator tooth bodies are inserted into gaps between adjacent blade-shaped cavities and fixed on the stator bracket.
This disclosure describes a rechargeable battery for a light electric vehicle. More specifically, this disclosure describes a rechargeable battery and a rechargeable battery holster that may be used to removably couple the rechargeable battery to a light electric vehicle.
A charging control method, a device, a storage medium and a wireless charging base are provided. The method can be applied to a wireless charging base comprising wireless charging units, each supporting a variety of wireless charging standards, and each wireless charging unit wirelessly charges for electronic devices. The method includes detecting whether the wireless charging base simultaneously wirelessly charging electronic devices, wherein each wireless charging unit supports a variety of wireless charging standards; in response to detecting that the wireless charging base simultaneously wirelessly charges the electronic devices, obtaining a first number of electronic devices and a second number of wireless charging standards supported by the wireless charging base; determining with each electronic device a wireless charging standard according to the first number and the second number; and wirelessly charging each electronic device through corresponding wireless charging unit according to the wireless charging standard determined with each electronic device.
In a charge/discharge control apparatus, a voltage conversion unit performs voltage conversion between a second conductive path and a third conductive path. A first switch switches between an on state where a current is allowed to flow from a first conductive path to the second conductive path and an off state where the current is blocked. A second switch switches between an on state where a current is allowed to flow from the second conductive path to a second power path, and an off state where the current is blocked. An auxiliary charging unit switches between a supply state where power is supplied to a power storage unit via a path different from a path including the voltage conversion unit, based on power supplied via the first conductive path, and a stopped state where the supply of power via the path is stopped.
A mobile power system may include a bidirectional AC-DC converter configured to convert a grid AC signal to a power limited DC charging signal with a threshold level, a battery module configured to provide a DC power signal, and a controller coupled to the battery module and the bidirectional AC-DC converter and configured to selectively switch the bidirectional AC-DC converter between a first state and a second state. The first state may include, when a load power level is less than the threshold level, concurrently charging the battery module using the power limited DC charging signal and delivering the grid AC signal to a load. The second state may include, when the load power level is greater than the threshold level, concurrently converting the DC power signal with the bidirectional AC-DC converter into a battery AC signal for delivery to the load, and delivering the grid AC signal to the load.
Aspects relate to a system for discharging a power source of an electric aircraft. System may be configured to transfer power from the electric aircraft via a charging connection. In one or more embodiments, a charging station in electric communication with the power source may discharge the power source. For example, a controller communicatively connected to the electric aircraft may be configured to receive a supply request from a user and subsequently, generate a control signal that initiates a transfer of electrical power from the power supply to discharge the power source so that power data associated with the discharge may be collected and transmitted to the controller or a remote device of the user.
A battery charger may include a printed circuit board (PCB) having a first portion supporting alternating current (AC) electrical components and a second portion supporting direct current (DC) electrical components; an indicator including a light-emitting diode (LED) supported on the first portion of the PCB and operable to emit light; and an isolating member positioned on the first portion between the AC electrical components and the LED. A trace on the PCB may be electrically connected to the second portion of the PCB, the trace extending from the second portion and along the first portion, and the LED may be electrically connected to and receiving DC power through the trace, the LED being selectively positioned along a length of the trace. The LED may be positioned more than about 8 mm from the AC electrical components.
A single-channel wireless synchronous transmission system of energy and signal based on an integrated magnetic circuit coupling structure is provided. The system includes a direct current power supply, a high-frequency inverter circuit, a primary energy transmitter circuit, a secondary receiver circuit, a rectifier circuit, a load, a signal modulation circuit and a signal demodulation circuit. The secondary receiver circuit includes a secondary energy receiver circuit and a secondary signal receiver circuit, where an energy receiver coil and a signal receiver coil are superposed on top of each other, and the energy receiver coil and the signal receiver coil are decoupled from each other and form an integrated magnetic circuit coupling structure with a transmitter coil of the primary energy transmitter circuit.
Systems and methods for power start up in a multi-unit power distribution network contemplate selectively disconnecting and reconnecting a remote subunit from a power conductor in a power distribution network at a relatively low frequency while providing short current pulses (at a low duty cycle) with enough energy transfer to power conditioning elements within the remote subunit during a start-up sequence. Once the power conditioning elements are properly charged, the remote subunit may change frequencies of the disconnecting and reconnecting so as to synchronize such disconnections to an expected frequency at the power source. Circuitry at the power source may measure activity on the power conductors regardless of frequency to detect an unwanted load on the power conductors (e.g., a human contacting the power conductors).
A method for calculating a gross primary productivity of an ecosystem is provided. The application belongs to a technical field of gross primary productivity calculation, and includes: acquiring key parameters of the ecosystem and screening out standard parameters, where the key parameters include a gross primary productivity, a solar altitude angle and an atmospheric column material content; calculating factor parameter terms based on the standard parameters and ground water vapor pressure parameters; where the factor parameter terms include a photochemical term, a scattering term and a gross primary productivity term; and based on the factor parameter terms, acquiring a calculation model of a gross primary productivity through an energy balance principle of a photosynthetically active radiation; through the calculation model, acquiring a calculated value of the gross primary productivity of the ecosystem.
A line protector circuit comprises an external side switch circuit coupled to an external circuit node of the line protector circuit, an internal side switch circuit coupled in series to the external side switch circuit and an internal circuit node of the line protector circuit, a high supply circuit node and a low supply circuit node, and switch control circuitry configured to deactivate the internal side switch circuit and divert a bias current from the external side switch to the low supply circuit node when the external voltage exceeds a high supply voltage of the high supply circuit node.
Even when one power conversion device among a plurality of power conversion devices connected in parallel experiences a short circuit, the other power conversion devices having experienced no short circuit can be promptly restarted. Each power conversion device includes: a short circuit occurrence determination unit configured to determine, on the basis of a current value at an output terminal, whether or not a short circuit has occurred; a short circuit elimination determination unit configured to determine, on the basis of a current value and a voltage value at the output terminal, whether or not the short circuit has been eliminated; and a current interruption unit configured to, on the basis of determination by the short circuit occurrence determination unit and determination by the short circuit elimination determination unit, interrupt current that flows from a power conversion unit to the output terminal or cancel the interruption.
A circuit interrupter including a current sensor having a normal sensor output and an over current detection output, a solid state switch module structured to have a closed state to allow current to flow through the circuit interrupter and an open state to interrupt current flowing through the circuit interrupter, a gate driver structured to control the solid state switch module including a desaturation function output, wherein the gate driver is structured to cause the solid state switch module to interrupt current flowing through the circuit interrupter when the DESAT function output changes to the on state, and an electronic trip circuit structured to output a trip signal to the gate driver when the normal sensor output reaches a first threshold level or the overcurrent detection output changes to the on state.
A ridge vent may cover a ridge slot in a roof of the structure to provide ventilation. A housing having a length, a width and a height that are sized to fit through a ridge slot of the roof includes a top portion proximal to the ridge vent, a bottom portion proximal to the interior of the structure and opposite to the top portion, and at least one wall extending between the top portion and the bottom portion. A securing mechanism is connected to the top portion of the housing to secure the housing within the ridge slot. An electronics bus is positioned within the housing and has an interface that enables operation of modular electronic devices that are removably positioned within the housing.
A discharge device includes a connector portion, an electrode portion, and a housing portion. A voltage is applied to the connector portion externally. The electrode portion discharges by boosting and supplying a voltage from the connector portion. The housing portion houses the connector portion and the electrode portion. The housing portion includes a step portion between the connector portion and the electrode portion. The step portion is, for example, a recess.
Spark plug for igniting a combustible fuel in an internal combustion engine, wherein the spark plug has an igniter arranged at an end of the spark plug facing the combustion chamber, when the spark plug is mounted in the internal combustion engine. The spark plug includes a wall and a sealing area. The wall at least partially surrounds the igniter. The sealing area is used for sealing the combustion chamber against the environment. The wall has the sealing area located at an end of the wall, which end faces the combustion chamber when the spark plug is mounted in the internal combustion engine.
To reduce crosstalk between bond wires, one illustrative integrated circuit includes an array of photoemitters arranged along a centerline, with adjacent photoemitters having contact pads on opposite sides of the centerline. An illustrative assembly includes an integrated circuit chip having an array of photoemitter contact pads; a printed circuit board having a recess in which the integrated circuit chip is mounted; and bond wires connecting the contact pads with respective contact pads on the printed circuit board. An illustrative cable connector includes a module that optically couples optical fibers to an array of photoemitters on an integrated circuit chip mounted to a printed circuit board. Each photoemitter has contact pads connected to the printed circuit board contact pads by bond wires, the bond wires for each photoemitter being routed in an opposite direction relative to the bond wires for any adjacent photoemitters in the array.
The invention relates to a light source comprising a photonic wire having a single-mode core and adapted to support an optical mode which is degenerate in polarization, comprising an emitter of a pair of photons which are intended to be entangled in polarization. The photonic wire comprises a cladding which is asymmetrical in rotation and extends along a principal transverse axis. Furthermore, the light source comprises a correction device adapted to induce by electrostatic effect a mechanical deformation of the photonic wire in a plane parallel to the substrate, along a deformation axis forming an angle of inclination of between 0° and 90°, these values being exclusive, with respect to the principal transverse axis, the mechanical deformation leading to mechanical strains experienced by the emitter, thus improving the degree of entanglement of the photon pair.
In various embodiments, the beam parameter product and/or beam shape of a laser beam is adjusted by coupling the laser beam into an optical fiber of a fiber bundle and directing the laser beam onto one or more in-coupling locations on the input end of the optical fiber. The beam emitted at the output end of the optical fiber may be utilized to process a workpiece.
A power distribution system includes a busway and a bus plug. A mechanical assembly rotatably mounts the bus plug relative to the busway. The system includes a remote racking device including a mechanism having a first mechanical component coupled to the bus plug and a second mechanical component coupled to the busway. The remote racking device rotates the bus plug relative to the busway about a rotation axis defined by the mechanical assembly based on mechanical interaction of the first mechanical component and the second mechanical component. Methods of connecting and disconnecting a bus plug relative to a busway with a remote racking device are also provided.
Various embodiments of the disclosure relate to an electronic device comprising a connector capable of connecting an antenna. The electronic device may comprise a connector and a wireless communication circuit which can receive wireless communication data. The connector may comprise a housing which forms the outer surface of the connector and has an opening on at least a part of the outer surface so that an external connector can be coupled thereto in a first direction or a second direction, a plurality of first pins corresponding to the first direction, and a plurality of second pins corresponding to the second direction. The plurality of first pins may comprise at least one first ground pin which corresponds to a first frequency band and can be connected to the wireless communication circuit, and at least one second ground pin which corresponds to a second frequency band and can be connected to the wireless communication circuit. The plurality of second pins may comprise at least one third ground pin which corresponds to the first frequency band and can be connected to the wireless communication circuit, and at least one fourth ground pin which corresponds to the second frequency band and can be connected to the wireless communication circuit. Other embodiments are also possible.
A floating electrical connector includes a housing with a tubular portion. An axis is defined in a center of the tubular portion. Several floating terminals are arranged around the axis and are partially connected. Each floating terminal has an inner terminal sheet on an inner side and a spring structure on an outer side. Each spring structure is connected to one of the inner terminal sheets. A portion of the inner terminal sheet is inserted into the tubular portion and arranged along an inner peripheral surface of the tubular portion. The portion of each inner terminal sheet located in the tubular portion has an electronic contact bulging inward. Several external pins are electrically connected around the floating terminals. When a conductive pin is inserted into the tubular portion, the spring structures could elastically deform, allowing the tubular portion to adapt to a horizontal deviation or a skew deviation of the conductive pin, providing a greater tolerance for alignment deviations.
It is aimed to improve anti-vibration performance. A connector includes a case made of metal and including an opening, and a terminal holding member made of synthetic resin for holding terminal fittings, the terminal holding member being integrated with the case while penetrating through the opening. The opening 18 includes a protruding portion protruding inward toward an outer periphery of the terminal holding member. The terminal holding member includes an inclination restricting portion to be held in contact with at least one of an outer surface and an inner surface of the protruding portion. Since the inclination restricting portion is in contact with the protruding portion, the inclination of the terminal holding member with respect to the case is suppressed even if the terminal holding member is subjected to vibration.
A connector assembly for coupling with one or more electrodes includes one or more cables with wires. A plug is electrically coupled with an end or ends of the cables. An electrode connector structure is electrically coupled with the cables and includes a body that is configured for forming an internal space. A cantilevered first arm has an end that cantilevers toward the internal space. The cantilevered first arm has a rest position and a flexed position. A stationary second arm and arm end extend into the internal space opposite the first arm. At least one of the ends of the cantilevered first arm and stationary second arm include an electrical contact. In the rest position, the end of the cantilevered first arm is positioned opposite the stationary second arm a first distance. In the flexed position, the cantilevered arm, moves away from the stationary second arm to separate the ends to a greater distance to receive the electrode and returns to the rest position to grip the electrode.
A connector housing assembly includes a housing installed on a circuit board and a heat sink installed on the housing. The heat sink has a front end portion on a top of the housing and a rear end portion extending beyond the housing. A fixing member connected to the housing installs the front end portion of the heat sink on the housing. The connector housing assembly includes a supporting device on the circuit board. The supporting device supports the rear end portion of the heat sink on the circuit board.
A transceiver for transmitting and receiving full duplex communications includes transmitter and receiver circuitry. The transmitter circuitry transmits from a first location first signals having a first orthogonal function +ln applied thereto on a first channel on a first frequency band to a second location. The receiver circuitry receives at the first location second signals on a second channel on the first frequency band from the second location having a second orthogonal function −ln applied thereto and the first signals having the first orthogonal function +ln applied thereto on the first channel on the first frequency band from the first location at a same time on the first frequency band. The receiver circuitry only processes received signals including the second orthogonal function −ln. The first signals on the first channel are transmitted on the first frequency band on the first frequency band at a same time the second signals on the second channel are received on the first frequency band on the first frequency band.
A loop antenna which has a signal input/output wire, a first conductor, an upper conductor, an upper conductor, a second conductor, a first lower conductor, and a second lower conductor sequentially connected. The loop antenna further has a first grounding via, and a lower end of the first grounding via is connected to a first grounding layer, and an upper end of the first grounding via is disposed between and connecting the first lower conductor and the second lower conductor, wherein a first end of the second lower conductor is connected to the upper end of the first grounding via, and a second end of the second lower conductor is connected to the first conductor. A second grounding layer and the combination of the signal input/output wire, the first lower conductor, and the second lower conductor are disposed on the same layer disconnectedly.
A first conductive plate (110) is located at a first surface (302) side of a substrate (300) away from the first surface (302) of the substrate (300). The first conductive plate (110) has an opening (112). A first conductive part (120) electrically connects the first conductive plate (110) and the substrate (300) to each other. A second conductive plate (210) is located at the first surface (302) side of the substrate (300) away from the first surface (302) of the substrate (300). A second conductive part (220) electrically connects the second conductive plate (210) and the substrate (300) to each other. The second conductive plate (210) is located inside the opening (112) of the first conductive plate (110).
A method for fabricating a semiconductor die is provided. The method can include providing a semiconductor substrate, forming a set of field-effect transistors on the semiconductor substrate, each field-effect transistor in the set of field-effect transistors having a respective source, drain, gate, and body, forming a compensation circuit on the semiconductor substrate, and connecting the compensation circuit to the set of field-effect transistors in parallel, the compensation circuit configured to compensate a non-linearity effect generated by the set of field-effect transistors.
An apparatus includes a plurality of antenna modules and a printed circuit board (PCB) having a plurality of holes embedded with a heat sink. Each antenna module includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells mounted on a first surface of the antenna substrate, and a plurality of packaged circuitry mounted on a second surface of the antenna substrate. The plurality of packaged circuitry are electrically connected with the plurality of 3-D antenna cells. Each of the plurality of antenna modules is mounted on a plurality of portions of the heat sink such that a corresponding packaged circuitry of the plurality of packaged circuitry is in a direct contact with the plurality of portions of the heat sink embedded within the plurality of holes.
A lensed base station antenna includes a first array of radiating elements that are configured to transmit respective sub-components of a first RF signal and an RF lens positioned to receive electromagnetic radiation from a first of the radiating elements. The RF lens includes a lens casing, an RF energy focusing material within the lens casing and a first heat dissipation element that extends through the RF energy focusing material. The RF lens is configured to be at least a three step approximation of a Luneberg lens along a bore sight pointing direction of the first of the radiating elements.
An antenna system is provided. Such antenna system includes a first Vivaldi antenna element positioned in a first plane and including first and second radiating elements and a first slot disposed between the first and second radiating elements. The antenna system also includes a first signal feed electrically coupled across the first slot at a first location and a first conductive strip positioned in a second plane offset from and parallel to the first plane. The first conductive strip is positioned in the second plane such that a first longitudinal axis of the first conductive strip runs parallel to a first central axis of the first slot.
A MIMO communication system is provided. The system may include a first antenna comprising a first cavity, a first plurality of RF ports for generating a feed wave within the first cavity, and a first plurality of sub-wavelength artificially structured material elements as arranged on a surface of the first cavity as RF radiators. The first antenna is configured to generate a plurality of radiation patterns respectively corresponding to the first plurality of ports. The system may also include a second antenna comprising a second cavity and a second plurality of sub-wavelength artificially structured material elements arranged on a surface of the second cavity.
An antenna device which includes a plurality of antennas in a common case and is capable of achieving downsizing while suppressing a decrease of an antenna gain, is provided. An antenna device includes a TEL antenna and a capacity loaded element in a common case. The capacity loaded element is located above the TEL antenna. A length of the capacity loaded element is a positive integer multiple of one-half a wavelength of a PCS band. The TEL antenna is arranged so as to avoid a voltage maximum point of a standing wave, of the PCS band, generated in the capacity loaded element.
Provided is a vehicle antenna applied to a vehicle including a sun roof. The vehicle antenna includes a first sun roof forming opening and a second sun roof forming opening exhibiting a rectangular shape and being formed, on a roof of the vehicle, in parallel to have long sides facing each other, the roof being formed of a conductive material, a first power feeding point provided to a long side of the first sun roof forming opening on a facing side, a second power feeding point provided to a long side of the second sun roof forming opening on a facing side, a hot-side conducting wire connected to the first power feeding point, and an earth-side conducting wire connected to the second power feeding point.
A capacitively loaded loop antenna for an implantable medical device is disclosed comprising a feed extending from a conductive surface of an implantable housing, a radiating element having a cross section larger than the feed, and a return coupling the radiating element to a conductive surface of the implantable housing. The radiating element can have a height above the top surface of the implantable housing, creating a capacitance between the radiating element and the conductive surface of the implantable housing configured to counteract the inductance of the capacitively loaded loop antenna.
A metrocell antenna includes a plurality of linear arrays of first frequency band radiating elements, a first enclosure that includes a first of the linear arrays of first frequency band radiating elements mounted therein, a second enclosure that includes a second of the linear arrays of first frequency band radiating elements mounted therein, a third of the linear arrays of first frequency band radiating elements mounted within one of the first and second enclosures, a first RF port that is mounted through the first enclosure and a first blind-mate connector that provides an electrical connection between the first enclosure and the second of the linear arrays of first frequency band radiating elements that is mounted in the second enclosure.
An antenna module includes a substrate, a radiation portion, and an active circuit. The radiation portion and the active circuit are both arranged on the substrate. The radiation portion is a complete sheet body made of conductive material, at least one signal feed point is arranged on one side of the radiation portion to feed electrical signals to the radiation portion. The radiation portion defines at least one slot, the slot divides the radiation portion into radiation branches arranged at intervals. Each radiation branch is electrically connected to a signal feeding point, so as to feed electric signals to the radiation branch. The active circuit is electrically connected to the radiation portion to switch radiation modes of the radiation portion. The application also provides an electronic device with the antenna module.
Remote compensators for mobile devices are provided. In certain embodiments, a remote compensator includes a first balun, a cable-side circulator including an output that provides a transmit signal and an input that receives an amplified receive signal, a first phase shifter, a second phase shifter, a first antenna-side circulator, a second antenna-side circulator, a push-pull amplifier, and a receive amplifier that generates the amplified receive signal by amplifying a first receive signal from the first antenna-side circulator and a second receive signal from the second antenna-side circulator. The push-pull amplifier includes an input that receives the transmit signal, a first output connected to a first end of a winding of the first balun through the first antenna-side circulator and the first phase shifter, and a second output connected to a second end of the winding of the first balun through the second phase shifter and the second antenna-side circulator.
The present disclosure provides a MEMS phase shifter and a manufacturing method thereof. The MEMS phase shifter includes a first substrate having a first surface, a coplanar waveguide on the first surface of the first substrate and including a first conductive wire and two second conductive wires on two sides of the first conductive wire and insulated from the first conductive wire, and a plurality of capacitance bridges on a side of the coplanar waveguide away from the first substrate. The plurality of capacitance bridges are arranged at intervals and insulated from the first conductive wire and the second conductive wire, and each of the plurality of capacitance bridges intersects the first conductive wire. The first surface of the first substrate includes a first groove, and the first conductive wire is suspended above the first groove.
A method of controlling a hydrogen partial pressure can be carried out in a fuel cell system including a stack having a hydrogen electrode and an air electrode. The method includes: determining a point of time to purge the hydrogen electrode using a hydrogen concentration at an outlet of the hydrogen electrode or an accumulated amount of charge generated in the stack; and setting a target supply pressure of hydrogen supplied to the stack, in which the target hydrogen supply pressure is set in consideration of a hydrogen pressure and a partial pressure of nitrogen resulting from crossover in the stack.
A separator-integrated gasket with improved productivity includes a separator main body for a fuel cell and an elastic gasket formed integrally with the separator main body. The separator main body includes a bead and a pair of protrusions located on opposite sides of the bead to block the liquid rubber applied to the bead. The gasket is formed when the liquid rubber is cured.
A flow-field plate is provided for distributing a reactant to an electrode or a gas diffusion layer of a fuel cell, the flow-field plate having a gas inlet, and having a plurality of channels defining a flow field. A pressure gradient is present between the gas inlet and the flow field given a state of throughflow, which leads to an intake of exhaust gas flowing in the channels in the direction of the gas inlet. Furthermore, there is a water/gas separator which is fluidically connected to the gas inlet for separating liquid water and/or water vapor from a gas which is connected to the flow field in order to supply the gas separated in the water/gas separator to the flow field. A flow cross-section at the gas inlet or at the gas inlet region is smaller than the flow cross-section at or in the region of the water/gas separator.
Provided is a secondary battery, comprising an electrode assembly, a packaging bag, and electrode leads. The electrode assembly is accommodated in the packaging bag and comprises a first electrode member, a second electrode member and a separator. The separator separates the first electrode member from the second electrode member. The first electrode member comprises an insulating substrate, a conductive layer, an active material layer and a conductive structure. The conductive layer is provided on the surface of the insulating substrate, and the conductive layer is provided with a first portion and a second portion. The first portion is coated with the active material layer. The second portion is not coated with the active material layer. The conductive structure is welded to the second portion to form a first welding area. The electrode leads are connected to the conductive structure and extend to the outside of the packaging bag.
An electrical storage system includes an electric storage zone, an electric storage positioned within the electric storage zone, a cooling fluid source in fluid communication with the electric storage zone via a fluid flow path, a modulating valve in the fluid flow path downstream from the cooling fluid source and upstream from the electric storage zone, and a detector in fluid communication with the electric storage zone. A method for operating an electrical storage system includes adjusting a modulating valve in a fluid flow path to reduce a cooling airflow to an electric storage zone, operating a detector in fluid communication with the electric storage zone configured and adapted to sense at least one of smoke, gas, or other particulates during a detection period with a detection system, and adjusting the modulating valve to increase the cooling airflow to the electric storage zone.
This application discloses a battery unit. The battery unit includes a housing, at least one cell, and a buffer. The at least one cell is accommodated in the housing, the buffer is disposed corresponding to a side wall of the cell, and the buffer is provided with an accommodating cavity. A periphery of the accommodating cavity includes at least one packaging structure, the packaging structure includes at least one level of packaging region with a predetermined length. When pressure in the accommodating cavity exceeds packaging strength of the packaging structure, the packaging region is opened to form a buffer space that communicates with the accommodating cavity, reducing influence caused by swelling of the cell.
The present disclosure provides a button-type lithium ion battery with a metal housing, including: a metal housing; a cell, received in the metal housing; a terminal, disposed on an outside of the metal housing; at least one first electrode tab, arranged on the cell and electrically connected to the metal housing; at least one second electrode tab, arranged on the cell and electrically connected to the terminal; and an insulating member disposed between the metal housing and the terminal; wherein the insulating member is insulating and sealing the metal housing and the terminal; a polarity of the at least one first electrode tab is opposite to that of the at least one second electrode tab; a polarity of the metal housing is opposite to that of the terminal; the metal housing and the terminal are sealed to the insulating member by means of heat or adhesion.
A metal-hydrogen battery includes a first electrode, a second electrode, and an electrolyte disposed between the first electrode and the second electrode. The second electrode includes a bi-functional catalyst to catalyze both hydrogen evolution reaction and hydrogen oxidation reaction at the second electrode.
The present invention relates to a method of preparing a positive electrode active material precursor for a lithium secondary battery in which particle size uniformity and productivity may be improved by using three reactors, a method of preparing a positive electrode active material for a lithium secondary battery by using the above-prepared positive electrode active material precursor for a lithium secondary battery, and a positive electrode for a lithium secondary battery and a lithium secondary battery which include the above-prepared positive electrode active material for a lithium secondary battery.
The present invention discloses a full-gradient nickel cobalt manganese positive electrode material, a ruthenium oxide coated material and a preparation method thereof. The material has a chemical formula of LiNixCoyMn(1-x-y)O2, wherein, 0.5≤x≤0.9, 0.05≤y≤0.40, 1-x-y>0. A content of the nickel element is gradually decreased from a core portion to an outer surface of the full-gradient nickel cobalt manganese positive electrode material. A content of the manganese element is gradually increased from the core portion to the outer surface of the full-gradient nickel cobalt manganese positive electrode material. And, a content of the cobalt element is uniformly distributed in the full-gradient nickel cobalt manganese positive electrode material. The present invention also discloses a preparation method of the full-gradient nickel cobalt manganese positive electrode material. The present invention also discloses a preparation method of the ruthenium oxide coated material.
Battery electrode compositions and methods of fabrication are provided that utilize composite particles. Each of the composite particles may comprise, for example, a high-capacity active material and a porous, electrically-conductive scaffolding matrix material. The active material may store and release ions during battery operation, and may exhibit (i) a specific capacity of at least 220 mAh/g as a cathode active material or (ii) a specific capacity of at least 400 mAh/g as an anode active material. The active material may be disposed in the pores of the scaffolding matrix material. According to various designs, each composite particle may exhibit at least one material property that changes from the center to the perimeter of the scaffolding matrix material.
Described are structural electrode and structural batteries having high energy storage and high strength characteristics and methods of making the structural electrodes and structural batteries. The structural batteries provided can include a liquid electrolyte and carbon fiber-reinforced polymer electrodes comprising metallic tabs. The structural electrodes and structural batteries provided can be molded into a shape of a function component of a device such as ground vehicle or an aerial vehicle.
A battery apparatus for an electrically driven vehicle, having at least one battery module including individual battery cells is provided. The battery module has a module housing, which, for the purpose of regulating the temperature of the battery cells, is at least partly filled with temperature-regulating liquid and has a primary sealing apparatus to prevent leakage of the temperature-regulating liquid from the module housing. The battery module is furthermore accommodated in a module space of an enveloping housing, which has a secondary sealing apparatus to prevent leakage of temperature-regulating liquid from the enveloping housing.
An electronic device includes a cell, a circuit board, and a cell protection unit. The circuit board is provided in the electronic device and configured to control the electronic device. The circuit board is electrically coupled to the cell, and the cell protection unit is provided on the circuit board. The cell protection unit is integrated with the circuit board, so as to facilitate heat dissipation of the cell, prolong the service life of the cell, speed up the production cycle of the cell, and reduce the production cost of the cell.
Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200° C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.
A method of manufacturing an argyrodite-type solid electrolyte, an argyrodite-type solid electrolyte, and an all-solid-state battery including the argyrodite-type solid electrolyte are provided. The method includes a first step of adding precursors represented by the following Formulas 1 and 2 into a polar aprotic solvent, followed by stirring to obtain a reaction solution; a second step of adding P2S5 into the stirred reaction solution, followed by further stirring to form a precipitate obtained as a result of the reaction in the reaction solution; and a third step of drying and heat-treating the reaction solution in which the precipitate is formed to obtain a solid electrolyte: [Formula 1] A2S [Formula 2] AX wherein A represents an alkali metal, and X represents an element of the halogen group.
Set forth herein are compositions comprising A·(LiBH4)·B·(LiX)·C·(LiNH2), wherein X is fluorine, bromine, chloride, iodine, or a combination thereof, and wherein 0.1≤A≤3, 0.1≤13≤4, and 0≤C≤9 that are suitable for use as solid electrolyte separators in lithium electrochemical devices. Also set forth herein are methods of making A·(LiBH4)·B·(LiX)·C·(LiNH2) compositions. Also disclosed herein are electrochemical devices which incorporate A·(LiBH4)·B·(LiX)·C·(LiNH2) compositions and other materials.
An electrode for a secondary battery includes a current collector, a first electrode mixture layer disposed on at least one surface of the current collector and including carboxymethyl cellulose and styrene butadiene rubber, and a second electrode mixture layer disposed on the first electrode mixture layer and including carboxymethyl cellulose. A weight average molecular weight of the carboxymethyl cellulose included in the first electrode mixture layer is less than a weight average molecular weight of the carboxymethyl cellulose included in the second electrode mixture layer. Adhesion between the electrode current collector and the active material and cohesion between the active materials may be improved, and the resistance within the electrode may be reduced, thereby significantly increasing the capacity and lifespan characteristics of a battery.
In an embodiment, a device includes: an interconnect structure including a first contact pad, a second contact pad, and an alignment mark; a light emitting diode including a cathode and an anode, the cathode connected to the first contact pad; an encapsulant encapsulating the light emitting diode; a first conductive via extending through the encapsulant, the first conductive via including a first seed layer, the first seed layer contacting the second contact pad; a second conductive via extending through the encapsulant, the second conductive via including a second seed layer, the first seed layer and the second seed layer including a first metal; and a hardmask layer between the second seed layer and the alignment mark, the hardmask layer including a second metal, the second metal different from the first metal.
A light emitting element includes: a semiconductor structure including: a substrate, an n-side nitride semiconductor layer located on the substrate, and a p-side nitride semiconductor layer located on the n-side nitride semiconductor layer, wherein a p-side nitride semiconductor side of the semiconductor structure is a light extraction face side, and an n-side nitride semiconductor side of the semiconductor structure is a mounting face side; a first protective layer located on and in direct contact with an upper face of the p-side nitride semiconductor layer in a region corresponding to the peripheral portion of the p-side nitride semiconductor layer; and a current diffusion layer located on and in direct contact with an upper face of the p-side nitride semiconductor layer in a region corresponding to the area inside of the peripheral portion. The current diffusion layer does not overlap the first protective layer in a top view.
Intermediate temperature metallization pastes containing vanadium are disclosed. The metallization pastes can be used to fabricate electrodes interconnected to a transparent conductor.
A thin film transistor, a semiconductor device having a thin film transistor and a method of fabricating a thin film transistor are provided. The thin film transistor includes a gate metal; a gate dielectric layer disposed on the gate metal; a semiconductor layer disposed on the gate dielectric layer; an interlayer dielectric disposed on the semiconductor layer and having a contact hole over the semiconductor layer; a source/drain metal disposed in the contact hole; a first liner disposed between the interlayer dielectric and the source/drain metal; and a second liner disposed between the first liner and the source/drain metal and being in contact with the semiconductor layer in the contact hole.
A semiconductor device according to the present disclosure includes an anti-punch-through (APT) region over a substrate, a plurality of channel members over the APT region, a gate structure wrapping around each of the plurality of channel members, a source/drain feature adjacent to the gate structure, and a diffusion retardation layer. The source/drain feature is spaced apart from the APT region by the diffusion retardation layer. The source/drain feature is spaced apart from each of the plurality of channel members by the diffusion retardation layer. The diffusion retardation layer is a semiconductor material.
Self-aligned gate endcap (SAGE) architectures with gate-all-around devices, and methods of fabricating self-aligned gate endcap (SAGE) architectures with gate-all-around devices, are described. In an example, an integrated circuit structure includes a semiconductor fin above a substrate and having a length in a first direction. A nanowire is over the semiconductor fin. A gate structure is over the nanowire and the semiconductor fin, the gate structure having a first end opposite a second end in a second direction, orthogonal to the first direction. A pair of gate endcap isolation structures is included, where a first of the pair of gate endcap isolation structures is spaced equally from a first side of the semiconductor fin as a second of the pair of gate endcap isolation structures is spaced from a second side of the semiconductor fin.
A method includes forming a fin over a substrate, forming a dummy gate structure over the fin, removing a portion of the fin adjacent the dummy gate structure to form a first recess, depositing a stressor material in the first recess, removing at least a portion of the stressor material from the first recess, and after removing the at least a portion of the stressor material, epitaxially growing a source/drain region in the first recess.
FDSOI device fabrication method is disclosed. The method comprises: disposing a buried oxide layer on the silicon substrate; disposing a SiGe channel on the buried oxide layer, disposing a nitrogen passivation layer on the SiGe channel layer; disposing a metal gate on the nitrogen passivation layer, and attaching sidewalls to sides of the metal gate; and disposing source and drain regions on the nitrogen passivation layer at both sides of the metal gate, wherein the source and drain regions are built in a raised SiGe layer. The stack structure of the SiGe layer and the nitrogen passivation layer forms the gate channel. This stack structure avoids the low stress of the silicon channel in the conventional device. In addition, it prevents the Ge diffusion from the SiGe channel to the gate dielectric in the conventional device. Thereby the invention improves reliability and performance of the device.
The present disclosure relates to semiconductor structures and, more particularly, to transistor with wrap-around extrinsic base and methods of manufacture. The structure includes: a substrate; a collector region within the substrate; an emitter region over the substrate and which comprises mono-crystal silicon based material; an intrinsic base under the emitter region and comprising semiconductor material; and an extrinsic base surrounding the emitter and over the intrinsic base.
An apparatus includes a fin, a gate, and a gate contact. A portion of the fin is disposed in a first layer. The gate is disposed in the first layer and adjacent to the fin. The gate contact is disposed on the gate and in a second layer, wherein the second layer is disposed on the first layer such that the gate contact is above the fin.
A method for forming a semiconductor device is provided. A first patterned mask is formed on the substrate, the first patterned mask having a first opening therein. A second patterned mask is formed on the substrate in the first opening, the first patterned mask and the second patterned mask forming a combined patterned mask. The combined patterned mask is formed having one or more second openings, wherein one or more unmasked portions of the substrate are exposed. Trenches that correspond to the one or more unmasked portions of the substrate are formed in the substrate in the one or more second openings.
A method for manufacturing a power semiconductor device includes forming a drift region in a substrate, forming a trench in the drift region, forming a gate insulating layer in the trench, depositing a conductive material on the substrate, forming a gate electrode in the trench, forming a body region in the substrate, forming a highly doped source region in the body region, forming an insulating layer that covers the gate electrode, etching the insulating layer to open the body region, implanting a dopant into a portion of the body region to form a highly doped body contact region, so that the highly doped source region and the highly doped body contact region are alternately formed in the body region; and forming a source electrode on the highly doped body contact region and the highly doped source region.
Embodiments of the present disclosure relate to a FinFET device having gate spacers with reduced capacitance and methods for forming the FinFET device. Particularly, the FinFET device according to the present disclosure includes gate spacers formed by two or more depositions. The gate spacers are formed by depositing first and second materials at different times of processing to reduce parasitic capacitance between gate structures and contacts introduced after epitaxy growth of source/drain regions.
The structure of a semiconductor device with dual silicide contact structures and a method of fabricating the semiconductor device are disclosed. A method of fabricating the semiconductor device includes forming first and second fin structures on a substrate, forming first and second epitaxial regions on the first and second fin structures, respectively, forming first and second contact openings on the first and second epitaxial regions, respectively, selectively forming an oxide capping layer on exposed surfaces of the second epitaxial region, selectively forming a first metal silicide layer on exposed surfaces of the first epitaxial region, removing the oxide capping layer, and forming first and second conductive regions on the metal silicide layer and on the exposed surfaces of the second epitaxial region, respectively. The first metal silicide layer includes a first metal. The first and second conductive regions includes a second metal different from the first metal.
Semiconductor structures are provided. The semiconductor structure includes a fin structure protruding from a substrate and a doped region formed in the fin structure. The semiconductor structure further includes a metal gate structure formed across the fin structure and a gate spacer formed on a sidewall of the metal gate structure. The semiconductor structure further includes a source/drain structure formed over the doped region. In addition, the doped region continuously surrounds the source/drain structure and is in direct contact with the gate spacer.
A semiconductor layer stack includes a first conductive layer, a dielectric layer including a high-k material, which is formed on the first conductive layer, a second conductive layer formed on the dielectric layer, and an interface control layer formed between the dielectric layer and the second conductive layer and including a leakage blocking material, a dopant material, a high bandgap material and a high work function material.
A transistor device and method of making the same are disclosed. The transistor device includes one or more air gaps in one or more sidewall spacers. The one or more air gaps may be located adjacent the gate and/or above the source or drain regions of the device. Various embodiments may include different combinations of air gaps formed in one or both sidewall spacers. Various embodiments may include air gaps formed in one or both sidewall spacers adjacent to the gate and/or above the source or drain regions of the device. The formation of the air gaps may reduce unwanted parasitic and/or fringing capacitance.
Semiconductor devices and methods of forming the same are disclosed. The semiconductor devices may include a substrate including a first region and a second region, which are spaced apart from each other with a device isolation layer interposed therebetween, a first gate electrode and a second gate electrode on the first and second regions, respectively, an insulating separation pattern separating the first gate electrode and the second gate electrode from each other and extending in a second direction that traverses the first direction, a connection structure electrically connecting the first gate electrode to the second gate electrode, and a first signal line electrically connected to the connection structure. The first and second gate electrodes are extended in a first direction and are aligned to each other in the first direction. The first signal line may extend in the second direction and may vertically overlap the insulating separation pattern.
Methods for tuning effective work functions of gate electrodes in semiconductor devices and semiconductor devices formed by the same are disclosed. In an embodiment, a semiconductor device includes a channel region over a semiconductor substrate; a gate dielectric layer over the channel region; and a gate electrode over the gate dielectric layer, the gate electrode including a first work function metal layer over the gate dielectric layer, the first work function metal layer including aluminum (Al); a first work function tuning layer over the first work function metal layer, the first work function tuning layer including aluminum tungsten (AlW); and a fill material over the first work function tuning layer.
Methods and devices including an air gap adjacent a contact element extending to a source/drain feature of a device are described. Some embodiments of the method include depositing a dummy layer, which is subsequently removed to form the air gap. The dummy layer and subsequent air gap may be formed after a SAC dielectric layer such as silicon nitride is formed over an adjacent metal gate structure.
A semiconductor structure is disclosed. The semiconductor structure includes: a substrate; a gate structure formed on the substrate; a source region and a drain region formed in the substrate on either side of the gate structure, the source region and the drain region both having a first type of conductivity; and a dielectric layer having a first portion and a second portion, wherein the first portion of the dielectric layer is formed on a portion of the gate structure, and the second portion of the dielectric layer is formed on the substrate and extending to a portion of the drain region, wherein the dielectric layer includes at least one recess on the second portion. An associated fabricating method is also disclosed.
A semiconductor device includes a fin extending from a substrate. The fin has a source/drain region and a channel region. The channel region includes a first semiconductor layer and a second semiconductor layer disposed over the first semiconductor layer and vertically separated from the first semiconductor layer by a spacing area. A high-k dielectric layer at least partially wraps around the first semiconductor layer and the second semiconductor layer. A metal layer is formed along opposing sidewalls of the high-k dielectric layer. The metal layer includes a first material. The spacing area is free of the first material.
A method includes forming a gate stack on a first portion of a semiconductor substrate, removing a second portion of the semiconductor substrate on a side of the gate stack to form a recess, growing a semiconductor region starting from the recess, implanting the semiconductor region with an impurity, and performing a melt anneal on the semiconductor region. At least a portion of the semiconductor region is molten during the melt anneal.
The disclosed technique forms epitaxy layers locally within a trench having angled recesses stacked in the sidewall of the trench. The sizes of the recesses are controlled to control the thickness of the epitaxy layers to be formed within the trench. The recesses are covered by cap layers and exposed one by one sequentially beginning from the lowest recess. The epitaxy layers are formed one by one within the trench with the facet edge portion thereof aligned into the respective recess, which is the recess sequentially exposed for the epitaxy layer.
Semiconductor structures and the manufacturing method thereof are disclosed. An exemplary semiconductor structure according to the present disclosure includes a substrate having a p-type well or an n-type well, a first base portion over the p-type well, a second base portion over the n-type well, a first plurality of channel members over the first base portion, a second plurality of channel members over the second base portion, an isolation feature disposed between the first base portion and the second base portion, and a deep isolation structure in the substrate disposed below the isolation feature.
This disclosure provides for robust isolation across the SOI structure. In contrast to forming a charge trap layer in specific areas on the structure, a charge trap layer may be built across the insulating/substrate interface. The charge trap layer may be an implantation layer formed throughout and below the insulation layer. Devices built on this SOI structure have reduced cross-talk between the devices. Due to the uniform structure, isolation is robust across the structure and not confined to certain areas. Additionally, deep trench implantation is not required to form the structure, eliminating cost. The semiconductor-on-insulator substrate may include an active silicon layer over an oxide layer. The oxide layer may be over a charge trap layer. The charge trap layer may be over a silicon substrate.
A super junction semiconductor device includes a substrate of a first conductive type, an epitaxial layer disposed on the substrate, a plurality of pillars extending in a vertical direction and each being alternately arranged within the epitaxial layer, gate structures disposed on the epitaxial layer in the active region, a reverse recovery layer of a second conductive type, the reverse recovery layer disposed on both the pillars and the epitaxial layer and in the transition region to distribute a reverse recovery current, and at least one high concentration region surrounding an upper portion of at least one of the pillars in the peripheral region, the high concentration region having a horizontal width greater than that of one of the pillars provided in the transition region. Thus, a breakdown voltage may be inhibited from decreasing in the peripheral region.
An image sensor device includes a semiconductor substrate, a radiation sensing member, a device layer, and a color filter layer. The semiconductor substrate has a photosensitive region and an isolation region surrounding the photosensitive region. The radiation sensing member is embedded in the photosensitive region of the semiconductor substrate. The radiation sensing member has a material different from a material of the semiconductor substrate, and an interface between the radiation sensing member and the isolation region of the semiconductor substrate includes a direct band gap material. The device layer is under the semiconductor substrate and the radiation sensing member. The color filter layer is over the radiation sensing member and the semiconductor substrate.
A first conductive portion includes a first pad surrounded by a first insulator film in a plane perpendicular to a first direction, and a first via connected to the first pad so that the first via is positioned between the first pad and a first semiconductor layer in the first direction. A second conductive portion includes a second pad surrounded by a second insulator film in a plane perpendicular to the first direction, and a second via connected to the second pad so that the second via is positioned between the second pad and a second semiconductor layer in the first direction. The first and the second conductive portions are different in dimension.
A solid-state imaging element which detects visible light and ultraviolet light in one pixel provides improved resolution. First and second photoelectric conversion elements each perform photoelectric conversion of incident light. A first accumulation part accumulates electric charges that are photoelectrically converted by the first photoelectric conversion element second accumulation part is disposed on one face of a substrate and accumulates electric charges that are photoelectrically converted by the second photoelectric conversion element. A connection part is connected to the second accumulation part and transfers the electric charges accumulated in the second accumulation part to another face of the substrate.
A method includes forming a first dielectric layer over the substrate and covering first, second, third, fourth, fifth and sixth protrusion regions; forming first, second, and third gate conductors over the first, fourth, and fifth protrusion regions, respectively; performing a first implantation process to form a second source region and a second drain region in the fourth protrusion region; performing a second implantation process to form a first source region and a first drain region in the first protrusion region, and to form a third source region and a third drain region in the fifth protrusion region; forming a metal layer over the third protrusion region; patterning the metal layer to form an inner circular electrode and an outer ring electrode encircling the inner circular electrode; forming a word line; and forming a bit line.
In an embodiment, a method includes forming a plurality of semiconductor fins over a substrate, the plurality of semiconductor fins comprising a first fin, a second fin, a third fin, and a fourth fin; forming a first dielectric layer over the plurality of semiconductor fins, the first dielectric layer filling an entirety of a first trench between the first fin and the second fin; forming a second dielectric layer over the first dielectric layer, the second dielectric layer filling an entirety of a second trench between the second fin and the third fin, the forming the second dielectric layer comprising: forming an oxynitride layer; and forming an oxide layer; and forming a third dielectric layer over the second dielectric layer, the third dielectric layer filling an entirety of a third trench between the third fin and the fourth fin.
An electrostatic discharge (ESD) protection apparatus and method for fabricating the same are disclosed herein. In some embodiments, the ESD protection apparatus, comprises: an internal circuit patterned in a device wafer and electrically coupled between a first node and a second node, an array of electrostatic discharge (ESD) circuits patterned in a carrier wafer, where the ESD circuits are electrically coupled between a first node and a second node and configured to protect the internal circuit from transient ESD events, and where the device wafer is bonded to the carrier wafer.
Electrostatic discharge (ESD) structures are provided. An ESD structure includes a semiconductor substrate, a first epitaxy region with a first type of conductivity over the semiconductor substrate, a second epitaxy region with a second type of conductivity over the semiconductor substrate, and a plurality of first semiconductor layers and a plurality of second semiconductor layers. The first and second semiconductor layers are alternatingly stacked over the semiconductor substrate and between the first and second epitaxy regions. A first conductive feature is formed over the first epitaxy region and outside an oxide diffusion region. A second conductive feature is formed over the second epitaxy region and outside the oxide diffusion region. The oxide diffusion region is disposed between the first and second conductive features.
A device package includes a first die directly bonded to a second die at an interface, wherein the interface comprises a conductor-to-conductor bond. The device package further includes an encapsulant surrounding the first die and the second die and a plurality of through vias extending through the encapsulant. The plurality of through vias are disposed adjacent the first die and the second die. The device package further includes a plurality of thermal vias extending through the encapsulant and a redistribution structure electrically connected to the first die, the second die, and the plurality of through vias. The plurality of thermal vias is disposed on a surface of the second die and adjacent the first die.
A method for manufacturing a display array includes the following steps: providing a substrate and forming a semiconductor stacked layer on the substrate; forming an insulating layer and a plurality of electrode pads on an outer surface of the semiconductor stacked layer, the insulating layer and the electrode pads directly contacting the semiconductor stacked layer, wherein the insulating layer has a plurality of openings spaced apart from each other; and transferring the semiconductor stacked layer, the insulating layer and the electrode pads from the substrate to a driving backplane, wherein the electrode pads are respectively electrically connected to the driving backplane through the openings of the insulating layer to form a plurality of light emitting regions in the semiconductor stacked layer as the electrode pads and the semiconductor stacked layer are energized by the driving backplane.
Provided are a package structure and a method of forming the same. The method includes providing a first package having a plurality of first dies and a plurality of second dies therein; performing a first sawing process to cut the first package into a plurality of second packages, wherein one of the plurality of second packages comprises three first dies and one second die; and performing a second sawing process to remove the second die of the one of the plurality of second packages, so that a cut second package is formed into a polygonal structure with the number of nodes greater than or equal to 5.
A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate, and micro LEDs disposed on the first substrate, the second micro LED module includes a second substrate, and micro LEDs disposed on the second substrate. The first substrate includes a lower body and a top plate located on the lower body. The lower body is recessed from an edge of the top plate, and the second micro LED module is disposed between recessed lower bodies of adjacent first micro LED modules.
A method of manufacturing a semiconductor structure includes following operations. A substrate is provided. A first die is disposed over the substrate. A second die is provided. The second die includes a via extended within the second die. The second die is disposed over the substrate. A molding is formed around the first die and second die. An interconnect structure is formed. The interconnect structure includes a dielectric layer and a conductive member. The dielectric layer is disposed over the molding, the first die and the second die. The conductive member is surrounded by the dielectric layer. The via is formed by removing a portion of the second die to form a recess extended within the second die and disposing a conductive material into the recess.
A semiconductor package includes a package substrate, an interposer on the package substrate, semiconductor devices in individual mounting regions on a first surface of the interposer, respectively, first conductive connection members, and a molding member on the interposer. The interposer has first bonding pads in the individual mounting regions, respectively. The semiconductor devices each have chip pads electrically connected to the first bonding pads. The first conductive connection members are between the first bonding pads and the chip pads. The molding member covers the semiconductor devices and fills gaps between the first surface of the interposer and the semiconductor devices. At least one of the individual mounting regions includes a pad-free region with a cross shape and pad regions defined by the pad-free region, and the first bonding pads are in the pad regions.
A system and method for connecting semiconductor dies is provided. An embodiment comprises connecting a first semiconductor die with a first width to a second semiconductor die with a larger second width and that is still connected to a semiconductor wafer. The first semiconductor die is encapsulated after it is connected, and the encapsulant and first semiconductor die are thinned to expose a through substrate via within the first semiconductor die. The second semiconductor die is singulated from the semiconductor wafer, and the combined first semiconductor die and second semiconductor die are then connected to another substrate.
Semiconductor device packages and method are provided. A semiconductor device package according to the present disclosure includes a substrate including a first region, a passive device disposed over the first region of the substrate, a contact pad disposed over the passive device, a passivation layer disposed over the contact pad, a recess through the passivation layer, and an under-bump metallization (UBM) layer. The recess exposes the contact pad and the UBM layer includes an upper portion disposed over the passivation layer and a lower portion disposed over a sidewall of the recess. A projection of the upper portion of the UBM layer along a direction perpendicular to the substrate falls within an area of the contact pad.
A redistribution layer with a landing pad is formed over a substrate with one or more mesh holes extending through the landing pad. The mesh holes may be arranged in a circular shape, and a passivation layer may be formed over the landing pad and the mesh holes. An opening is formed through the passivation layer and an underbump metallization is formed in contact with an exposed portion of the landing pad and extends over the mesh holes. By utilizing the mesh holes, sidewall delamination and peeling that might otherwise occur may be reduced or eliminated.
A semiconductor device package includes a leadless leadframe, and a plurality of terminal pads extending to a periphery of the leadframe. At least two of the plurality of terminal pads are interior extending terminal pads that include an interior portion having a shape including at least one curved portion and an exterior portion that extends to the periphery of the leadframe. An integrated circuit (IC) die having at least a semiconductor surface includes circuitry configured for at least one function having nodes connected to bond pads on the leadframe. There is a bonding arrangement between the plurality of terminal pads and the bond pads. A mold compound is for encapsulation of the semiconductor device package.
A semiconductor package includes a first semiconductor die, a second semiconductor die, a semiconductor bridge, an integrated passive device, a first redistribution layer, and connective terminals. The second semiconductor die is disposed beside the first semiconductor die. The semiconductor bridge electrically connects the first semiconductor die with the second semiconductor die. The integrated passive device is electrically connected to the first semiconductor die. The first redistribution layer is disposed over the semiconductor bridge. The connective terminals are disposed on the first redistribution layer, on an opposite side with respect to the semiconductor bridge. The first redistribution layer is interposed between the integrated passive device and the connective terminals.
An electronic device, comprising plurality of source metal strips in a first metal level; a plurality of drain metal strips in the first metal level; a source metal bus in a second metal level above the first metal level; a drain metal bus, in the second metal level; a source pad, coupled to the source metal bus; and a drain pad, coupled to the drain metal bus. The source metal bus includes subregions shaped in such a way that, in top-plan view, each of them has a width which decreases moving away from the first conductive pad; the drain metal bus includes subregions shaped in such a way that, in top-plan view, each of them has a width which decreases moving away from the second conductive pad. The first and second subregions are interdigitated.
A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a first conductive pattern on a substrate, a second conductive pattern above the first conductive pattern, and a third conductive pattern above the first conductive pattern, all extending along a first direction. The first conductive pattern is electrically connected in parallel to the second conductive pattern and the third conductive pattern.
Semiconductor packages are provided. One of the semiconductor packages includes an integrated circuit, a die, an encapsulant and an inductor. The die is bonded to the integrated circuit. The encapsulant encapsulates the die over the integrated circuit. The inductor includes a plurality of first conductive patterns and a plurality of second conductive patterns. The first conductive patterns penetrate through the encapsulant. The second conductive patterns are disposed over opposite surfaces of the encapsulant. The first conductive patterns and the second conductive patterns are electrically connected to one another to form a spiral structure having two ends.
An interconnect structure includes a dielectric layer, a first conductive feature, a hard mask layer, a conductive layer, and a capping layer. The first conductive feature is disposed in the dielectric layer. The hard mask layer is disposed on the first conductive feature. The conductive layer includes a first portion and a second portion, the first portion of the conductive layer is disposed over at least a first portion of the hard mask layer, and the second portion of the conductive layer is disposed over the dielectric layer. The hard mask layer and the conductive layer are formed by different materials. The capping layer is disposed on the dielectric layer and the conductive layer.
An integrated circuit includes a semiconductor substrate, electronic components integrated in the semiconductor substrate, an electric connection structure overlying the semiconductor substrate, and an conductive region, with elongated shaped, having a first and a second end. The conductive region is formed in the electric connection structure, extends over an entire length of the substrate and is not directly electrically connected to the electronic components. A first and a second synchronization connection element are electrically coupled to the first end and to the second end, respectively, of the conductive region and have each a respective synchronization connection portion facing the coupling face.
A packaging substrate, a packaging structure, an electronic device and a manufacturing method, and pertain to the field of chip packaging technologies. The packaging substrate includes a body including metal cabling. The body includes a first surface, a second surface and a side surface. The side surface is connected to the first surface and second surface. The first surface includes many first connection structures. The second surface includes second connection structures. The side surface includes third connection structures. A part of the first connection structures are connected to the second connection structures by using the metal cabling. The other part of the first connection structures are connected to the third connection structures by using the metal cabling. When the same total quantity of pins need to be disposed, a part of the pins are transferred to the side surface of the body, with less pins at the second surface.
The present invention is intended to provide a semiconductor module and a semiconductor device that are compatible with various rated currents. A semiconductor module includes a lead frame, and a semiconductor element joined with the lead frame. The lead frame includes a first joining structure and a second joining structure. The first joining structure includes a void part as a part at which the lead frame does not exist, and the second joining structure includes a void part as a part at which the lead frame does not exist. Each of the first joining structure and the second joining structure has a shape such that one of the first joining structure and the second joining structure complements at least part of the void part of the other assuming that the first joining structure and the second joining structure are overlapped.
An embedded chip package according to an embodiment of the present application may include at least one chip and a frame surrounding the at least one chip, the chip having a terminal face and a back face separated by a height of the chip, the frame having a height equal to or larger than the height of the chip, wherein the gap between the chip and the frame is fully filled with a photosensitive polymer dielectric, the terminal face of the chip being coplanar with the frame, a first wiring layer being formed on the terminal face of the chip and a second wiring layer being formed on the back face of the chip.
A semiconductor package is provided. The semiconductor package includes a chip pad of a semiconductor chip, the chip pad including a connection portion and a test portion in a first surface of the chip pad; a barrier layer covering the chip pad, the barrier layer defining a first opening and a second opening that is separate from the first opening, the first opening exposing the connection portion of the chip pad, and the second opening exposing the test portion of the chip pad; and a redistribution structure.
A method of forming a device includes providing a transistor having a gate structure and a source/drain structure adjacent to the gate structure. A cavity is formed along a sidewall surface of a contact opening over the source/drain structure. After forming the cavity, a sacrificial layer is deposited over a bottom surface and along the sidewall surface of the contact opening including within the cavity. A first portion of the sacrificial layer along the bottom surface of the contact opening is removed to expose a portion of the source/drain structure. A metal plug is then formed over the portion of the exposed source/drain structure. A remaining portion of the sacrificial layer is removed to form an air gap disposed between the metal plug and the gate structure. Thereafter, a seal layer is deposited over the air gap to form an air gap spacer.
A semiconductor device with different gate structure configurations and a method of fabricating the semiconductor device are disclosed. The method includes depositing a high-K dielectric layer surrounding nanostructured channel regions, performing a first doping with a rare-earth metal (REM)-based dopant on first and second portions of the high-K dielectric layer, and performing a second doping with the REM-based dopants on the first portions of the high-K dielectric layer and third portions of the high-K dielectric layer. The first doping dopes the first and second portions of the high-K dielectric layer with a first REM-based dopant concentration. The second doping dopes the first and third portions of the high-K dielectric layer with a second REM-based dopant concentration different from the first REM-based dopant concentration. The method further includes depositing a work function metal layer on the high-K dielectric layer and depositing a metal fill layer on the work function metal layer.
An embodiment method includes: forming a dielectric-containing substrate over a semiconductor substrate; forming a stack of first semiconductor layers and second semiconductor layers over the dielectric-containing substrate, wherein the first semiconductor layers and the second semiconductor layers have different material compositions and alternate with one another within the stack; patterning the first semiconductor layer and the second semiconductor layers into a fin structure such that the fin structure includes sacrificial layers including the second semiconductor layers and channel layers including the first semiconductor layers; forming source/drain features adjacent to the sacrificial layers and the channel layers; removing the sacrificial layers of the fin structure so that the channel layers of the fin structure are exposed; and forming a gate structure around the exposed channel layers, wherein the dielectric-containing substrate is interposed between the gate structure and the semiconductor substrate.
Embodiments of the present application relate to a method for manufacturing a semiconductor structure, includes: forming a contact metal layer on a silicon substrate; performing a plasma treatment process, and forming an oxygen isolation layer on a surface of the contact metal layer; and performing a silicidation reaction process, and converting the contact metal layer into a metal silicide layer.
A semiconductor device that includes a semiconductor substrate, a dielectric layer over the semiconductor substrate, a conductive feature over the semiconductor substrate and buried in the dielectric layer, and a metal plug over the conductive feature and buried in the dielectric layer, where the dielectric layer has a hydrophobic sidewall facing the metal plug.
A method for forming a semiconductor structure includes receiving a first die having a first interconnect structure and a first bonding layer over the first interconnect structure, and a second die having a second interconnect structure and a second bonding layer over the second interconnect structure; forming a recess indenting into the first bonding layer; and forming a positioning member on the second bonding layer. The method further includes bonding the second die over the first die; and disposing the positioning member into the recess. The positioning member includes dielectric, is surrounded by the first bonding layer, and is isolated from the first interconnect structure and the second interconnect structure.
The present disclosure relates to a semiconductor structure and a manufacturing method thereof. The method of manufacturing a semiconductor structure includes: providing a base; forming a plurality of first trenches arranged in parallel at intervals and extending along a first direction, and an initial active region between two adjacent ones of the first trenches, wherein the initial active region includes a first initial source-drain region close to a bottom of the first trench, a second initial source-drain region away from the bottom of the first trench, and an initial channel region located between the first initial source-drain region and the second initial source-drain region; forming a protective dielectric layer, wherein the protective dielectric layer covers a sidewall of the second initial source-drain region and a sidewall of the initial channel region; thinning the first initial source-drain region.
An object is to provide a technique capable of suppressing defectives in semiconductor elements. A manufacturing method of a semiconductor device includes a step of forming a laminated body in which an adhesive protective layer, an adhesive layer, a peeling layer, and a support substrate are disposed in this order on a first main surface of the semiconductor substrate, a step of removing the semiconductor substrate other than a portion where a plurality of circuit elements are formed, a step of bonding the portion where the circuit elements are formed to a transfer substrate, a step of removing the peeling layer, the support substrate and the adhesive layer, a step of removing the adhesive protective layer by chemical treatment, and a step of dividing the plurality of circuit elements.
A reticle pod with a spoiler structure includes a body and a cover. A reticle allocation area is centrally disposed at the body. The cover covers the body. A peripheral area of the cover and a peripheral area of the body are fitted together by a protruding portion and a dented portion. The dented portion and the protruding portion jointly form a spoiler structure surrounding the reticle allocation area. The spoiler structure includes a spoiler passage between the dented portion and the protruding portion. The body has at least one sidewall corresponding in position to the spoiler passage to form a particle-collecting space. Particles carried by external air current which enters the spoiler passage end up in the particle-collecting space and thus are denied entry into the reticle allocation area.
The present invention provides a substrate heat treatment apparatus for heat treating a substrate, including a bake plate, support components, a baffle plate, and a driving device. The bake plate defines at least one gas passage. The support components support the substrate. The baffle plate is fixed on a top surface of the bake plate. The baffle plate surrounds the substrate and a gap is formed between an inner circumferential wall of the baffle plate and the substrate. A driving device drives the plurality of support components to move up or down. When heat treating the substrate, a hot gas is supplied to the space between the substrate and the top surface of the bake plate through the gas passage of the bake plate, and the hot gas flows out through the gap formed between the inner circumferential wall of the baffle plate and the substrate.
An semiconductor device includes a first dielectric layer, an etch stop layer, an interconnect structure, and a second dielectric layer. The etch stop layer is over the first dielectric layer. The interconnect structure includes a conductive via in the first dielectric layer and the etch stop layer, a conductive line over the conductive via, an intermediate conductive layer over the conductive line, and a conductive pillar over the intermediate conductive layer. The interconnect structure is electrically conductive at least from a top of the conductive pillar to a bottom of the conductive via. The second dielectric layer surrounds the conductive line, the intermediate conductive layer, and the conductive pillar, wherein a bottom of the second dielectric layer is lower than a top of the conductive line, and a top of the second dielectric layer is higher than the top of the conductive line.
Disclosed herein are integrated circuit (IC) package supports and related apparatuses and methods. For example, in some embodiments, an IC package support may include a non-photoimageable dielectric, and a conductive via through the non-photoimageable dielectric, wherein the conductive via has a diameter that is less than 20 microns. Other embodiments are also disclosed.
A method for structuring a substrate is specified, in particular structuring by means of selective etching in the semiconductor and IC substrate industry, in which the following steps are carried out: providing a substrate, applying a titanium seed layer, full-area coating with a photoresist layer, lithographic structuring of the photoresist layer, in order to expose regions of the titanium seed layer, selectively depositing copper as conductor tracks in those areas in which the titanium seed layer is exposed, removing the structured photoresist, and etching the titanium seed layer in the areas previously covered by the structured photoresist, wherein phosphoric acid is used to etch the titanium seed layer and, in addition, exposure to UV light is carried out during the etching of the titanium.
A chemical-mechanical polishing (CMP) system includes a head, a polishing pad, and a magnetic system. The slurry used in the CMP process contains magnetizable abrasives. Application and control of a magnetic field, by the magnetic system, allows precise control over how the magnetizable abrasives in the slurry may be drawn toward the wafer or toward the polishing pad.
In some embodiments, the present disclosure relates to a method that includes forming a dielectric layer over a substrate and patterning the dielectric to form an opening in the dielectric layer. Further, a conductive material is formed within the opening of the dielectric layer. A planarization process is performed to remove portions of the conductive material arranged over the dielectric layer thereby forming a conductive feature within the opening of the dielectric layer. An anti-oxidation layer is formed on upper surfaces of the conductive feature, and then, the anti-oxidation layer is removed.
A method includes forming a first layer on a substrate; forming a first plurality of trenches in the first layer by a patterning process; and forming a second plurality of trenches in the first layer by another patterning process, resulting in combined trench patterns in the first layer. A first trench of the second plurality connects two trenches of the first plurality. The method further includes forming dielectric spacer features on sidewalls of the combined trench patterns. A space between two opposing sidewalls of the first trench is completely filled by the dielectric spacer features and another space between two opposing sidewalls of one of the two trenches is partially filled by the dielectric spacer features.
The present disclosure provides methods of forming semiconductor devices. A method according to the present disclosure includes receiving a workpiece that includes a stack of semiconductor layers, depositing a first pad oxide layer on a germanium-containing top layer of the stack, depositing a second pad oxide layer on the first pad oxide layer, depositing a pad nitride layer on the second pad oxide layer, and patterning the stack using the first pad oxide layer, the second pad oxide layer, and the pad nitride layer as a hard mask layer. The depositing of the first pad oxide layer includes a first oxygen plasma power and the depositing of the second pad oxide layer includes a second oxygen plasma power greater than the first oxygen plasma power.
A manufacturing method for a deep trench, the method includes forming a first trench in a substrate and performing a first cycle and a second cycle. Each comprising performing a passivation operation forming a passivation film on a sidewall and a bottom surface of the first trench, performing a first etching with a first bias power to remove the passivation film formed on the bottom surface of the first trench to expose the bottom surface of the first trench, and performing a second etching with a second bias power etching the exposed bottom surface of the first trench to form a second trench disposed below the first trench. The first bias power and the second bias power in the second cycle is greater than the first bias power and the second bias power in the first cycle, respectively.
A method of fabricating a semiconductor device is described. A substrate is provided. A first semiconductor region of a first semiconductor material is formed over the substrate and adjacent a second semiconductor region of a second semiconductor material. The first and second semiconductor regions are crystalline. An etchant is selective to etch the first semiconductor region over the second semiconductor region. The entire first semiconductor region is implanted to form an amorphized semiconductor region. The amorphized semiconductor region is etched with the etchant using the second semiconductor region as a mask to remove the amorphized semiconductor region without removing the second semiconductor region.
A substrate drying apparatus, a substrate drying method and a storage medium are capable of sublimating a sublimable substance filled in recesses of a pattern formed on a substrate while preventing pattern collapse. A first unit includes a solution supplier which supplies a sublimable substance solution containing a sublimable substance and a solvent to a processing surface, and a first liquid remover which forms a solid film of the sublimable substance on the processing surface by removing the solvent and a processing liquid from the processing surface. A second unit includes a second liquid remover which vaporize the solvent and the processing liquid remaining in the solid film by heating the substrate, and maintaining the substrate at a temperature within a first temperature range, and a solid film remover which remove the solid film from the processing surface by heating the substrate at a temperature within a second temperature range.
A method for forming SiGe-based regions with different Ge concentrations is provided. After defining the regions 1, 2 on a SOI substrate, a grating of masking patterns is formed on at least one region 2. After the epitaxial growth of a Ge-based layer in each of the regions, a first vertical diffusion is carried out. A second horizontal diffusion is then carried out such that the Ge diffuses beneath the masking patterns of the region 2. Thus, the region 2 has a Ge concentration that is lower than the Ge concentration of the region 1.
The present invention discloses a super-flexible transparent semiconductor film and a preparation method thereof, the method includes: providing an epitaxial substrate; growing a sacrificial layer on the epitaxial substrate; stacking and growing at least one layer of Al1-nGanN epitaxial layer on the sacrificial layer, wherein 0
This disclosure is related to arranging micro devices in the donor substrate by either patterning or population so that there is no interfering with unwanted pads and the non-interfering area in the donor substrate is maximized. This enables to transfer the devices to receiver substrate with fewer steps.
Exemplary embodiments provide methods, mediums, and systems for comparing a sample of interest to a library of known compounds to quickly determine how similar the sample is to the compounds in the library. Peaks of interest in the sample data are compared to corresponding peaks in the library compound data. These peaks may be represented as vectors, and an angle between the sample vector and the library vector may be used as a similarity metric. In some embodiments, a cosine similarity may be calculated for the vectors. If the similarity score for a given library compound/sample pair exceed a threshold, then the system determines that the library compound and the sample are similar and takes appropriate action. Various parameters associated with the comparison can be adjusted in order to improve the quality of the results and/or the efficiency of the process.
Systems and methods are described for reducing lab-to-lab and/or instrument-to-instrument variability of Multi-Attribute Methods (MAM) analyses via run-time signal intensity calibration. In various aspects, multiple MAM-based instruments each have detectors and different instrument conditions defined by different instrument models or sets of settings. Each MAM-based instrument receives respective samples and a reference standard as a calibrant. Each MAM-based instrument detects, via its detector, sample isoforms of its respective sample and reference standard isoforms of the reference standard. The MAM-based instruments are associated with processor(s) that determine, via respective MAM iterations, correction factors and sample abundance values corresponding to the sample isoforms. The correction factors are based on the reference standard, and the sample abundance values are based on the correction factors. A variance value of the sample abundance values may be reduced based on correction factors of each of the MAM-based instruments.
In an embodiment, a magnetic assembly includes: an inner permeance annulus; and an outer permeance annulus connected to the inner permeance annulus via magnets, wherein the outer permeance annulus comprises a peak region with a thickness greater than other regions of the outer permeance annulus.
Embodiments of the present disclosure include methods and apparatus for depositing a plurality of layers on a large area substrate. In one embodiment, a processing chamber for plasma deposition is provided. The processing chamber includes a showerhead and a substrate support assembly. The showerhead is coupled to an RF power source and a ground and includes a plurality of perforated gas diffusion members. A plurality of plasma applicators is disposed within the showerhead, wherein one plasma applicator of the plurality of plasma applicators corresponds to one of the plurality of perforated gas diffusion members. Further, a DC bias power source is coupled to a substrate support assembly.
The present invention provides a MEMS sample holder comprising an observation section. The observation section includes a first layer, a second layer, and a sample compartment between the first layer and the second layer. The sample compartment is configured for filling a liquid sample and observing the liquid sample filled therewithin. The sample compartment has one, two or more windows through which an electron beam can pass. Each of the windows is formed on two cavities including a first cavity on the first layer and a second cavity on the second layer that is opposite to the first cavity across the sample compartment.
Presented systems and methods facilitate efficient and effective generation and delivery of radiation. A radiation generation system can comprise: a particle beam gun, a high energy dissipation anode target (HEDAT); and a liquid anode control component. In some embodiments, the particle beam gun generates an electron beam. The HEDAT includes a solid anode portion (HEDAT-SAP) and a liquid anode portion (HEDAT-LAP) that are configured to receive the electron beam, absorb energy from the electron beam, generate a radiation beam, and dissipate heat. The radiation beam can include photons that can have radiation characteristics (e.g., X-ray wavelength, ionizing capability, etc.). The liquid anode control component can control a liquid anode flow to the HEDAT. The HEDAT-SAP and HEDAT-LAP can cooperatively operate in radiation generation and their configuration can be selected based upon contribution of respective HEDAT-SAP and the HEDAT-LAP characteristics to radiation generation.
Provided herein is an improved solenoid electrical switch. In some embodiments, a solenoid electrical switch may include a plunger at least partially disposed in a central aperture of a solenoid for rotation and axial reciprocation between at least two positions into and out of the central aperture relative to a magnetic coupling member. The plunger may include a first component including a main body and a central slot within the main body, and a second component at least partially disposed within the central slot, wherein the second component may include an engagement surface engaged with an inner surface of the central slot.
A relay state prediction device according to the present invention includes: a voltage value acquisition unit that measures every moment a detected voltage detected from two ends of a shunt resistor; a voltage value difference calculation unit that calculates a voltage value difference between a first voltage value of when the detected voltage becomes minimum by an armature starting displacement after a primary-side switch is turned off and a second voltage value of when secondary-side contacts are opened; a slope calculation unit that calculates a slope at which the voltage value difference decreases as the secondary-side contacts are repeatedly opened and closed in response to the primary-side switch repeatedly turning on and off; and a state prediction unit that predicts the number of openable and closable times from the present time until the voltage value difference reaches a predetermined threshold value based on the voltage value difference at the present time and the decreasing slope.
A stacked capacitor includes a body having opposing faces, first side faces in a first direction, and second side faces in a second direction. The body includes a first insulation margin without a first metal film and a second insulation margin without a second metal film. The first metal film includes a metal film edge overlapping the second insulation margin. The second metal film includes a metal film edge overlapping the first insulation margin. The first and second metal films each include multiple sub-films separated by multiple first slits. A first slit includes a first portion extending from the first or second insulation margin along the first side faces and a second portion located in the metal film edge and extending at an angle with the first side faces. The second portion has a length in the first direction greater than or equal to an interval between adjacent first slits.
A capacitor integrated structure, a capacitor unit and a manufacturing process thereof are provided. The manufacturing process of capacitor units includes the steps of: forming a plurality of capacitor stacking structures on a substrate having an insulation layer thereon; performing a first cut on insulation dividers provided between the adjacent capacitor stacking structures to form a plurality of recesses that expose first conductive portion and second conductive portion of each of the capacitor stacking structures; filling a metallic material in the recesses to form a plurality of metallic dividers that are electrically connected to the first conductive portion and the second conductive portion of each of the capacitor stacking structures; performing a second cut on the metallic dividers to form a plurality of independent capacitor units; and forming metallic walls on two opposite sides of each of the capacitor units, so as to provide a capacitor unit having two end electrodes.
A capacitive block for electrical equipment includes a housing, at least one capacitive element having a first end housed in the housing and a second end, which is opposite to the first end and which extends out of the housing, an end-stop being fixed to the second end of the at least one capacitive element, and at least one spacer, which butts against the end-stop, so as to determine the distance between the second end of the at least one capacitive element and a bottom of the housing.
A system may include an electromagnetic load, a driver configured to drive the electromagnetic load with a driving signal, and a processing system communicatively coupled to the electromagnetic load and configured to, during a haptic mode of the system couple a first terminal of the electromagnetic load to a ground voltage and cause the driving signal to have a first slew rate, and during a load sensing mode of the system for sensing a current associated with the electromagnetic load, couple the first terminal to a current-sensing circuit having a sense resistor coupled between the first terminal and an electrical node driven to a common-mode voltage and cause the driving signal to have a second slew rate lower than the first slew rate.
The present disclosure provides a method for preparing a high-coercivity sintered NdFeB magnet. The method including the steps of:
S1, Providing a NdFeB powder as a main material;
S2, Vacuum coating a layer of a rare earth alloy RxH(100-x) on a surface of a metal nano-powder M to obtain an auxiliary alloy material with a core-shell structure, with R being selected from one or more of Dy, Tb, Pr, Nd, La, and Ce; H being selected from one or more of Cu, Al, and Ga; the nano-powder M being selected from one or more of Mo, W, Zr, Ti, and Nb; 0≤x≤90 wt. %;
S3, Adding the auxiliary alloy material obtained by step S2 to the NdFeB powder of step S1 and mixing, then orientation pressing of the mixture to obtain a compact body; and
S4, Sintering and annealing treatment of the compact body to obtain the high-coercivity sintered NdFeB magnet.
A winding structure includes a coil having a wire wrap and two wire tails, and a magnetic core having a center column, a flange, four wire-hanging parts and two bosses; the center column is connected at a top surface of the flange, the first boss is disposed in the middle of a first side of the flange, and the second boss is symmetrical to the first boss; transition surfaces of wire-hanging parts to a bottom surface of the flange are chamfered surfaces; first to fourth sections of the first wire tail are sequentially attached to the first wire-hanging part and the first chamfered surface, the bottom surface of the flange, the third chamfered surface, the third wire-hanging part, and the top surface of the flange; first to fourth sections of the second wire tail are symmetrical to first to fourth sections of the first wire tail, respectively.
A powder magnetic core with terminal includes: a powder magnetic core composed of Fe-based alloy particles including Fe and an element M (M is Cr and/or Al) which is more easily oxidizable than Fe; and at least two terminals formed at an interval on a surface of the powder magnetic core. The powder magnetic core includes the Fe-based alloy particles, and an underlayer including the element M (M is Cr and/or Al), Fe and O formed on a surface of the Fe-based alloy particles. A first layer including at least one of Cr or Al and O is formed on a surface including a region in which the terminals of the powder magnetic core are formed. The terminals are formed on a surface of the first layer. Each of the terminals includes a second layer including one of Au, Ag, Cu, Ti or Cr.
A cable includes a plurality of electric wires including a conductor and an insulating member coating a periphery of the conductor, a tape member provided over a periphery of an aggregate configured by laying the plurality of electric wires together, and an outer sheath provided over an outer periphery of the tape member. The tape member includes a mixture of a first fiber having a melting point and a second fiber having a melting point lower than the melting point of the first fiber. The first fiber has the melting point higher than an extrusion molding temperature of the outer sheath, and the second fiber has the melting point lower than the extrusion molding temperature of the outer sheath.
Systems and methods for providing a novel framework to simulate the appearance of pathology on patients who otherwise lack that pathology. The systems and methods include a “simulator” that is a generative adversarial network (GAN). Rather than generating images from scratch, the systems and methods discussed herein simulate the addition of diseases-like appearance on existing scans of healthy patients. Focusing on simulating added abnormalities, as opposed to simulating an entire image, significantly reduces the difficulty of training GANs and produces results that more closely resemble actual, unmodified images. In at least some implementations, multiple GANs are used to simulate pathological tissues on scans of healthy patients to artificially increase the amount of available scans with abnormalities to address the issue of data imbalance with rare pathologies.
A wearable treatment and analysis module is provided. The module is positioned on or near a body surface region of interest. The module provides remote access to sensor data, treatment administration, and/or other health care regimens via a network connection with a user device and/or management system.
Provided herein are methods for segregating trauma, e.g., blunt trauma, patients into different cohorts based on risk of multiple organ dysfunction syndrome using patient data obtained within a short time window following injury. The methods are useful in providing treatment to trauma patients, and for separating trauma patients into cohorts.
A system, methods, and computer-readable media are provided for the automatic identification of patients having an elevated near-term risk of pulmonary function deterioration or respiratory distress. Embodiments of the invention are directed to event prediction, risk stratification, and optimization of the assessment, communication, and decision-making to prevent respiratory events in humans, and in one embodiment take the form of a platform for wearable, mobile, untethered monitoring devices with embedded decision support. Respiratory information is obtained over one or a plurality of previous time intervals, to classify a likelihood of events leading to an acute respiratory decompensation event within a future time interval. In an embodiment, the risk prediction is based a plurality of nonlinearity measures of capnometry information over the previous time interval(s), and the risk for an acute respiratory decompensation event determined using an ensemble model predictor on the nonlinearity measures.
Methods for performing a pre-clean process to remove an oxide in semiconductor devices and semiconductor devices formed by the same are disclosed. In an embodiment, a method includes forming a shallow trench isolation region over a semiconductor substrate; forming a gate stack over the shallow trench isolation region; etching the shallow trench isolation region adjacent the gate stack using an anisotropic etching process; and after etching the shallow trench isolation region with the anisotropic etching process, etching the shallow trench isolation region with an isotropic etching process, process gases for the isotropic etching process including hydrogen fluoride (HF) and ammonia (NH3).
A therapeutic system for children's autism including a management server, a network, a client terminal and a database, wherein the management server includes a subject determination unit that determines whether or not the subject corresponds to the brain type to be treated through the client terminal; a mission presentation unit that presents a mission to a guardian through the client terminal if the subject corresponds to the brain type to be treated; an effect determination unit that determines whether or not there is a therapeutic effect through the treatment progress input through the client terminal after the guardian's mission is progressed; and a result output unit that outputs the determination result of the effect determination unit to the client terminal.
A data management unit for supporting health control, the unit including: a processor, a data input adapted to input data and/or requests and connected to the processor, a data storage connected to the processor, wherein the processor is adapted to assign a tag referring to an event chosen from a group of tags comprising the fasting tag and at least one other event tag to a new data received from the data input or a measurement unit, wherein the tag is assigned either automatically by the processor and/or via the data input, wherein the fasting tag can only be assigned to the new data if a time stamp of the new data is within a predefined fasting window, wherein the predefined fasting window is stored in the data storage.
A multi-tray medication dispensing apparatus and a method of use provides secure storage and dispensing of controlled substances and supplemental/alternative medication while providing remote assistance and monitoring. The apparatus includes at least two motorized medication trays for automatic dispensing of medication. Medication tray compartments can be filled manually or filled by inserting a prefilled blister pack containing sealed medication. The apparatus further comprises a secure tamper resistant housing, plurality of sensors, an optional reclamation safe, and a wireless communication module to notify remote operators of suspected illegal/unauthorized access. The apparatus can be configured in different form factors including, a portable desktop configuration, a wearable configuration designed for attaching to a person's wrist, arm, foot, etc. The apparatus can dispense a controlled substance or supplemental/alternative medication based upon a dispensing schedule and/or inputs from the user, wherein the supplemental/alternative medication is alternatively dispensed to control addition and/or proper use.
The disclosed apparatus, systems and methods relate to the delivery of personalized nutraceutical products to a subject, comprising a library of actives; a software module; and a dispensing unit. In certain aspects, the system further comprises a packaging unit and a delivery unit. According to certain aspects, the library of actives comprises a plurality of active nutraceutical ingredients formulated for precise dispensing. In further aspects, the software module is constructed and arranged to receive prescription information for the subject and to output dispensing instructions to the dispensing unit. In still further aspects, the dispensing unit is constructed and arranged to receive dispensing instructions from the software module and to dispense one or more actives from the library of actives to form a nutraceutical product, and wherein the dispensing instructions are derived from the prescription information and customized to the nutritional needs of the subject.
Fetal maternal samples taken from pregnant women include both maternal cell-free DNA and fetal cell-free DNA. Described herein are methods for determining a chromosomal abnormality of a test chromosome or a portion thereof in a fetus by analyzing a test maternal sample of a woman carrying said fetus, wherein the test maternal sample comprises fetal cell-free DNA and maternal cell-free DNA. The chromosomal abnormality can be, for example, aneuploidy or the presence of a microdeletion. In some embodiments, the chromosomal abnormality is determined by measuring a dosage of the test chromosome or portion thereof in the test maternal sample, measuring a fetal fraction of cell-free DNA in the test maternal sample, and determining an initial value of likelihood that the test chromosome or the portion thereof in the fetal cell-free DNA is abnormal based on the measured dosage, an expected dosage of the test chromosome or portion thereof, and the measured fetal fraction.
To mitigate pulse shape degradation along a signal route, the signal is driven from two ends. One end of the route is loaded and the other is relatively unloaded. The loaded route and unloaded route may traverse two different metal layers on a printed circuit board. The two routes may thus be related such that the unloaded route has less RC distortion effects on the signal than does the loaded route.
A memory system includes at least one memory die and a controller coupled to the at least one memory die via a data path. The at least one memory die includes plural memory planes and a register storing operation statuses and operation results regarding the respective memory planes. The controller transfers a first status check command to the at least one memory die and receives a first response including the operation statuses and the operation results regarding the respective memory planes.
Performing refresh operation in a memory device is provided. A refresh operation without address rotation is performed in a cell array of the memory device. Performing the refresh operation without address rotation is repeated for a predetermined number of times. After repeating performing the refresh operation with address rotation for the predetermined number of times, a refresh operation with address rotation is performed in the cell array.
Memory devices, memory systems, and methods of operating the same are disclosed in which a memory device, in response to receiving a mode register read (MRR) command directed to one or more write-only bits of a mode register, reads data indicative of a status of the memory device about the memory device from one or more cells of a memory array of the memory device that are different from the write-only mode register. The data can include device settings, environmental conditions, usage statistics, metadata, feature support, feature implementation, device status, temperature, etc. The status information mode can be optionally enabled or disabled. The memory devices can include DDR5 DRAM memory devices.
A two pin communication interface bus and control circuits are used with circuit boards, integrated circuits, or embedded cores within integrated circuits. One pin carries data bi-directionally and address and instruction information from a controller to a selected port. The other pin carries a clock signal from the controller to a target port or ports in or on the desired circuit or circuits. The bus may be used for serial access to circuits where the availability of pins on ICs or terminals on cores is minimal. The bus is used for communication, such as serial communication related to the functional operation of an IC or core design, or serial communication related to test, emulation, debug, and/or trace operations of an IC or core design.
A memory device including an interface to receive one or more clock signals and one or more data signal a dual-sensing stage dual-tail latch arranged at the interface. The dual-sensing stage dual-tail latch includes a sensing stage to sense a differential voltage between a first signal and a second signal and to provide a first differential voltage output and a second differential voltage output to a first node and a second node, respectively. The dual-sensing stage dual-tail latch includes a complimentary sensing stage arranged in parallel with the sensing stage and to sense the differential voltage between the first signal and the second signal, where a first complimentary differential output voltage and a second complimentary differential output of the complimentary sensing stage are coupled to the first node and the second node. The dual-sensing stage dual-tail latch includes a latch stage to receive the outputs from the first node and the second node.
In a method of resetting a storage device, an internal power supply voltage is generated based on an external power supply voltage. A first reset control signal that is activated when a level of the internal power supply voltage is higher than a reference level. A second reset control signal that is activated after a power-on of the storage device is completed or deactivated after a predetermined delay time from when the external power supply voltage is turned off. A final reset control signal is generated based on the first reset control signal and the second reset control signal. The final reset control signal is activated when at least one of the first and second reset control signals is activated. After the external power supply voltage is turned off, a reset operation is performed when the final reset control signal is activated.
Systems and methods are disclosed including a memory device and a processing device operatively coupled to the memory device. The processing device can perform operations comprising determining a parameter value of a select gate associated with a first set of memory cells; responsive to determining that the parameter value satisfies a threshold criterion, marking the first block in a grown bad block (GBB) data structure; performing one or more pulse operations on the first block to invalidate data stored on the block; receiving, from a host system, an enhanced erase command referencing a second block; and responsive to determining that the second block is marked in the GBB data structure, discarding the enhanced erase command.
A signal processing system includes a digital signal processing circuit, a power management unit, and a digital control circuit. The power management unit provides a first voltage to the digital signal processing circuit. When in a calibration mode the digital control circuit controls the power management unit to set the first voltage at a minimum preset value, controls the digital signal processing circuit to operate under a first calibration target frequency, triggers the digital signal processing circuit to perform a built-in self-test, raises the first voltage when the built-in self-test fails, triggers the digital signal processing circuit to perform the built-in self-test again, and stores the first calibration target frequency and a value of the first voltage corresponding to the first calibration target frequency to a non-volatile memory when the built-in self-test has succeeded.
A memory test method includes: testing a first memory to acquire defect information of the first memory; acquiring repair information of the first memory according to the defect information of the first memory; and storing the repair information of the first memory in a second memory. In the technical solutions provided in the embodiments of the present disclosure, other memories may be used to store the repair information of the currently tested memory, so that the storage space can be increased and the test efficiency can be improved.
Methods, systems, and devices for read threshold adjustment techniques for memory are described. A memory device may read a codeword from a memory array of the memory device using a read threshold having a first value. The memory device may increment one or more counters of the memory device based on reading the codeword. The counter may indicate a quantity of bits of the codeword that correspond to a first logic value. The memory device may detect an error, such as an uncorrectable error, in the codeword based on reading the codeword. The memory device may adjust the read threshold from the first value to the second value based on the quantity of bits indicated by the counter. The memory device may read the codeword using the read threshold having the second value.
A memory device includes: a plurality of channels, each including a memory cell array, the memory cell array including a normal cell array, the normal cell array including normal memory cells, and each of the normal memory cells being a volatile memory cell; a testing control circuit, configured to control testing of the normal cell array in the plurality of channels in response to a testing instruction, and to determine an access address of a normal memory cell failing the testing in the normal cell array in the plurality of channels to be a failure address; and a non-volatile memory cell array which includes a plurality of non-volatile memory cells and is configured to receive and store the failure address from the testing control circuit.
A system includes a memory device and a processing device coupled to the memory device. The processing device is configured to switch an operating mode of the memory device between a test mode and a non-test mode. The system further includes a test mode access component that is configured to access the memory device while the memory device is in the test mode to perform a test mode operation.
A state detection circuit of an anti-fuse memory cell includes a first switching element, having a first end connected to a power supply, a second end connected to a first node, and a control end connected to a controller; an anti-fuse memory cell array including a plurality of anti-fuse memory cell sub-arrays, bit lines of the plurality of anti-fuse memory cell sub-arrays being all connected to the first node, and word lines of the plurality of anti-fuse memory cell sub-arrays being all connected to the controller; and a comparator, having a first input end connected to the first node, and a second input end connected to a reference voltage.
A method for dynamically estimating interference compensation thresholds of a page of memory includes computing a histogram and a corresponding threshold based on a plurality of interference states of an interference source; clustering the plurality of interference states to determine an effective number of interference states; and estimating a read threshold to dynamically compensate an interference noise associated with each interference state of the effective number of interference states of the target row based on the histogram.
In some embodiments, the present disclosure relates to a memory device, including a plurality of content addressable memory (CAM) units arranged in rows and columns and configured to store a plurality of data states, respectively. A CAM unit of the plurality of CAM units includes a first ferroelectric memory element, a plurality of word lines extending along the rows and configured to provide a search query to the plurality of CAM units for bitwise comparison between the search query and the data states of the plurality of CAM units, and a plurality of match lines extending along the columns and configured to output a plurality of match signals, respectively from respective columns of CAM units. A match signal of a column is asserted when the data states of the respective CAM units of the column match corresponding bits of the search query.
A memory device is provided. The memory device includes several sense amplifiers and at least one reference cell. Each of the sense amplifiers has a first terminal and a second terminal. The first terminals of the sense amplifiers are coupled to a memory cell block, and the second terminals of the sense amplifiers are coupled together to transmit a read current. The at least one reference cell transmits the read current to a ground terminal. The at least one reference cell has a decreased resistance value when a number N of the sense amplifiers increases.
Disclosed herein are related to a memory array. In one aspect, the memory array includes a set of resistive storage circuits including a first subset of resistive storage circuits connected between a first local line and a second local line in parallel. The first local line and the second local line may extend along a first direction. In one aspect, for each resistive storage circuit of the first subset of resistive storage circuits, current injected at a first common entry point of the first local line exits through a first common exit point of the second local line, such that each resistive storage circuit of the first subset of resistive storage circuits may have same or substantial equal resistive loading.
A method for storing data comprises maintaining an address table for a memory space containing volatile memory and nonvolatile memory space. The nonvolatile memory space includes both multi-level cell (MLC) space and single level cell (SLC) space and the volatile memory includes a random access volatile memory element. An address table maps logical and physical addresses adaptable to the system by the address table. The mapping is performed as necessitated by the system to maximize lifetime maps data in at least one of volatile or nonvolatile memories. Storing received data within a controller memory associated with the at least one controller. Controlling access of the MLC and SLC nonvolatile memory elements and the random access volatile memory element for storage of the received data. Transferring the stored received data from the controller memory to a given one of the MLC nonvolatile memory elements in an associated MLC memory module, operable to store the received data in the given one given one of the MLC nonvolatile memory element as stored data. Retaining the received data in the random access volatile memory as retained data associated with the stored data. Performing a data integrity test on the stored data in the given one of the MLC nonvolatile memory elements in the associated one of the MLC memory modules after at least a Write access operation performed thereon. The performing of the data integrity test further comprising reading the stored data to the controller memory and comparing the stored data in the controller memory in the given one of the MLC nonvolatile memory elements to the retained data that was associated with the stored data in the random access volatile memory by the controller during the Write access operation. Remapping, responsive to a failure of the data integrity test performed on the stored data by the controller, the address space to a different physical range of addresses. Transferring data corresponding to the retained data to those remapped physical address from those physical addresses determined to have failed the data integrity test.
A state detection circuit for an anti-fuse memory cell includes: amplifier, having first input terminal connected with first reference voltage, second input terminal connected with first node and output terminal connected with second node; anti-fuse memory cell array, including anti-fuse memory cell sub-arrays, bit lines of sub-arrays are connected with first node, word lines of sub-arrays are connected with controller and each sub-array includes anti-fuse memory cells; first switch element, having first terminal connected with power supply, second terminal connected with first node and control terminal connected with second node; second switch element, having first terminal connected with power supply, second terminal connected with third node and control terminal connected with second node; third switch element, having first terminal connected with third node, grounded second terminal and control terminal connected with controller; and comparator, having first and second input terminals connected with third node and second reference voltage respectively.
A method includes receiving a write request to a write queue of a host having the write queue and a read queue; initiating a write queue timer upon receiving the write request to the write queue of the host, wherein the write queue timer has a write queue timer expiry threshold value; and executing one or more write requests when the write queue timer reaches the write queue timer expiry threshold value.
Power consumption is reduced. A semiconductor device includes an arithmetic processing circuit, a power supply circuit, a power management unit (PMU), and a power switch. The arithmetic processing circuit includes a storage circuit retaining generated data. The storage circuit includes a backup circuit including a transistor and a capacitor. When a control signal for transition to a resting state is input from the arithmetic processing circuit, the PMU performs voltage scaling operation for lowering a power supply potential of the arithmetic processing circuit. When the period of the resting state exceeds the set time, the PMU performs power gating operation for stopping power supply to the arithmetic processing circuit. Data saving operation of the storage circuit is performed before the voltage scaling operation.
Methods, systems, and devices for self-refresh of memory cells are described. A controller coupled with a memory cell may be configured to apply a first voltage to a control gate of a first transistor, where the first voltage activates the first transistor to selectively couple terminals of the first transistor with each other based on a charge stored on the interstitial gate. The controller may be configured to apply a current to a bit line, where a second voltage of the bit line is based on the current and the charge stored on the interstitial gate. The controller may be configured to apply, based on applying the first voltage to the control gate of the first transistor and applying the current to the bit line, a third voltage to a gate of a second transistor to couple the bit line with the interstitial gate of the first transistor.
A data processing method, a data processing circuit, and a computing apparatus are provided. In the method, data is obtained. A first value of a bit of the data is switched into a second value according to data distribution and an accessing property of memory. The second value of the bit is stored in the memory in response to switching the bit.
The present invention relates to the field of digital memory, and in particular to a multiple-time programmable (MTP) memory employing error correction codes (ECC), the MTP memory being made up of one-time programmable (OTP) memory modules. Pointers to the memory address of currently in-use OTP memory blocks in use for each virtual MTP memory block are stored in OTP memory with an error correcting code. The pointers encode the memory addresses according to a scheme that ensure that only bit changes in a single direction are required in both the pointer data and the error correction code when the memory address is incremented.
The present disclosure relates to heat-assisted magnetic recording (HAMR) write heads including a waveguide and a main pole having a main pole tip. One or more current paths are provided through the main pole tip. Terminals of the one or more current paths can be coupled to the main pole, a trailing shield, a leading shield, a heat sink layer, a touch pad, a pole diffusion barrier layer, a NTS sensor, or another suitable component of the HAMR write head.
Techniques for performing conversation recovery of a system/user exchange are described. In response to determining that an action responsive to a user input cannot be performed, a system may determine a topic to recommend to a user. The topic may be unrelated to the original substance of the user input. The system may have access to various data representing a context in which a user provides an input to the system. The system may use these inputs and various data at runtime to make a determination regarding whether a user should be recommended a topic, as well as what that topic should be. The system may cause a question be output to the user, with the question asking the user about the topic, for example whether the user would like a song played, whether the user would like to hear information about a particular individual (e.g., artist), whether the user would like to know about a particular skill (e.g., a skill having a significantly high popularity among users of the system), or whether the user would like to know about some other topic. If the user responds affirmatively to the recommended topic, the system may pass the user experience off to an appropriate component of the system (e.g., one that is configured to perform an action related to the topic). If the user responds negatively, does not respond at all, or the system is unsure whether the user's response was affirmative or negative, the system may cease interaction with the user, thereby enabling the user to interact with the system as the user desires.
Computer-implemented methods, computer program products, and computer systems for mitigating frequency loss may include one or more processors configured for receiving first audio data corresponding to unobstructed user utterances, receiving second audio data corresponding to first obstructed user utterances, generating a frequency loss (FL) model representing frequency loss between the first audio data and the second audio data, receiving third audio data corresponding to one or more second obstructed user utterances, processing the third audio data using the FL model to generate fourth audio data corresponding to a frequency loss mitigated version of the second obstructed user utterances, and transmitting the fourth audio data to a recipient computing device. The first obstructed user utterances are obstructed by a facemask and the one or more second obstructed user utterances is obstructed by the facemask. The FL model may be executed as an audio plugin in a web conferencing program.
A method of processing an acoustic signal is disclosed. According to one or more embodiments, a first acoustic signal is received via a first microphone. The first acoustic signal is associated with a first speech of a user of a wearable headgear unit. A first sensor input is received via a sensor, a control parameter is determined based on the sensor input. The control parameter is applied to one or more of the first acoustic signal, the wearable headgear unit, and the first microphone. Determining the control parameter comprises determining, based on the first sensor input, a relationship between the first speech and the first acoustic signal.
Techniques for configuring a speech processing system with a privacy mode that is associated with the identity of a user that activated the privacy mode are described. A user may speak an indication to have the speech processing system activate a privacy mode. When such an indication is detected by the speech processing system, the speech processing system determines an identity of the user, determines a unique system identifier associated with the user, and generates a privacy mode flag. The speech processing system then associates the privacy mode flag with the user's unique system identifier. The privacy mode flag indicates to components of the speech processing system that any data related to processing of the user's utterances should not be sent to long term storage, thus causing various components of the system to delete data once the respective component is finished processing with respect to an utterance of the user.
A method for receiving processed information at a remote device is described. The method includes transmitting from the remote device a verbal request to a first information provider and receiving a digital message from the first information provider in response to the transmitted verbal request. The digital message includes a symbolic representation indicator associated with a symbolic representation of the verbal request and data used to control an application. The method also includes transmitting, using the application, the symbolic representation indicator to a second information provider for generating results to be displayed on the remote device.
Described herein is a system for sentiment detection in audio data. The system processes audio frame level features of input audio data using a machine learning algorithm to classify the input audio data into a particular sentiment category. The machine learning algorithm may be a neural network trained using an encoder-decoder method. The training of the machine learning algorithm may include normalization techniques to avoid potential bias in the training data that may occur when the training data is annotated for a perceived sentiment of the speaker.
A keyword spotting apparatus, method, and computer-readable recording medium are disclosed. The keyword spotting method using an artificial neural network according to an embodiment of the disclosure may include obtaining an input feature map from an input voice; performing a first convolution operation on the input feature map for each of n different filters having the same channel length as the input feature map, wherein a width of each of the filters is w1 and the width w1 is less than a width of the input feature map; performing a second convolution operation on a result of the first convolution operation for each of different filters having the same channel length as the input feature map; storing a result of the second convolution operation as an output feature map; and extracting a voice keyword by applying the output feature map to a learned machine learning model.
Devices and techniques are generally described for machine learning personalization as a service for speech processing applications. In various examples, a first request for machine learning prediction for a first speech processing skill. First skill data schema data may be received that describes content of the first speech processing skill. A first machine learning model for the first speech processing skill may be determined. A first feature definition describing a first aspect of the content may be determined. A second feature definition describing user profile data may be determined. A prediction request may be received from the first speech processing skill. First feature data may be generated according to the first feature definition and second feature data may be generated according to the second feature definition based at least in part on the prediction request. The first machine learning model may generate prediction data based at least in part on the prediction request, the first feature data, and the second feature data.
Systems and methods for determining hint words that improve the accuracy of automated speech recognition (ASR) systems. Hint words are determined in the context of a user issuing voice commands in connection with a voice interface system. Terms are initially taken from most frequently occurring terms in operation of a voice interface system. For example, most frequently occurring terms that arise in electronic search queries or received commands are selected. Certain of these terms are selected as hint words, and the selected hint words are then transmitted to an ASR system to assist in translation of speech to text.
An adaptive music playback system is disclosed. The system includes a composition system that receives information corresponding to user activity levels. The composition system determines target musical criteria corresponding to the user activity levels and modifies the composition of a song in response to changes in user activity.
Disclosed are systems, methods, and non-transitory computer-readable media for reducing latency in augmented reality displays. A display controller receives, from a GPU, a stream of image pixels of a frame of virtual content to be presented on a display of a display device. The stream of image pixels is received via a high-speed bulk interface that transfers data at least as fast as can be consumed by the display. As the stream of image pixel is received, the display controller converts each respective image pixel from a data format used to transmit the stream of image pixels via the high-speed bulk interface to a data format that is compatible for display by the display. Each converted image pixel is stored in a pixel cell of the display, after which the frame is presented on the display.
A driving method and device for a shift register. In a data refreshing phase, loading an input signal having a pulse level to an input signal end, loading a control clock pulse signal to a control clock signal end, loading a noise reduction clock pulse signal to a noise reduction clock signal end, controlling a cascade signal end of the shift register to output a cascade signal having a pulse level, and controlling a drive signal end of the shift register to output a drive signal having a pulse level; in a data holding phase, loading a fixed voltage signal to the input signal end, loading a first set signal to the control clock signal end, loading a second set signal to the noise reduction clock signal end, controlling the cascade signal end to output a fixed voltage signal having a second level.
A display method includes displaying an image on a display surface; and differentiating a brightness or a color tone of a first part of the image corresponding to a first user whose face is directed to the display surface, from a brightness or a color tone of a second part of the image that is different from the first part, based on a movement of eyelids of the first user.
The present disclosure provides a backlight driving circuit including a power supply module and a current adjustment module. The current adjustment module detects the brightness of the first light-emitting columns and/or the second light-emitting columns to obtain detection current, and compares the detection current with a mode switching current. The current adjustment module controls one first light-emitting column and one second light-emitting column to connect with one first wire simultaneously, or controls one first light-emitting column to connect with one second connecting wire and controls one second light-emitting column to connect with another second connecting wire.
The display device includes a display panel in which a first display area and a second display area adjacent to the first display area are defined, a data driving circuit which drives the plurality of data lines, a scan driving circuit which drives the plurality of scan lines, and a driving controller which receives an image signal and a control signal, and controls the data driving circuit and the scan driving circuit based on an operation mode, where the driving controller includes a luminance deviation compensation unit which compensates for luminance deviation of the first display area and the second display area when the operation mode is a multi-frequency mode in which the first display area is driven at a first frequency and the second display area is driven at a second frequency different from the first frequency.
Embodiments of the disclosure relate to a display device and a display driving method. Specifically, there may be provided a display device comprising a display panel including a plurality of subpixels and a plurality of driving voltage lines supplying a driving voltage to the plurality of subpixels, a plurality of data driving circuits supplying a data voltage to the display panel, a timing controller controlling the plurality of data driving circuits to supply a compensated data voltage according to a position of the display panel, wherein in the compensated data voltage, a first compensation gain for at least some subpixels is varied depending on positions corresponding to the plurality of data driving circuits in a first direction of the display panel, and a second compensation gain for at least some subpixels is varied depending on distances from the plurality of data driving circuits in a second direction of the display panel.
A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.
A pixel circuit and a display device including the same are disclosed. The pixel circuit of the present disclosure includes: a driving element including a first electrode connected to a first node to which a pixel driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node; a first switch element configured to supply a data voltage of pixel data to a fourth node in response to a scan pulse; a second switch element configured to supply an initialization voltage to the second node in response to a first initialization pulse; a third switch element configured to supply a reference voltage lower than the initialization voltage to the third node in response to a sensing pulse; and a fourth switch element configured to supply the reference voltage to the fourth node in response to a second initialization pulse.
Provided are a display panel, a driving method thereof and a display device. The display panel includes: a pixel circuit and a light-emitting element, where the pixel circuit includes a light emitting control module, a drive module and a compensation module; the light emitting control module includes a first light emitting control module configured to selectively provide a first power supply signal for the drive module; the drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor; the compensation module is configured to compensate a threshold voltage of the drive transistor; and a working process of the pixel circuit includes a light emitting stage and a bias stage.
The present application discloses a GOA circuit and a display panel. High-temperature durability of a first node is improved not only by adding a thirteenth transistor to a pull-down remaining module to lower a voltage difference between a source and a drain of the an eleventh transistor to suppress electric leakage of the first node, but also by adding a twentieth transistor to the pull-down remaining module to lower a voltage difference between a gate and a source of a nineteenth transistor to suppress electric leakage of the first node.
A method for driving electro-optic displays including electro-optic material disposed between a common electrode and a backplane. The backplane includes an array of pixel electrodes, each coupled to a transistor. A display controller applies waveforms to the pixel electrodes. The method includes applying first measurement waveforms to a first portion of the pixel electrodes. During each frame of the first measurement waveforms, the same time-dependent voltages are applied to each pixel electrode of the first portion of pixel electrodes. The method includes determining the impedance of the electro-optic material in proximity to the first portion of pixel electrodes based on a measurement of the current flowing through a current measurement circuit and the time-dependent voltages applied to each pixel electrode during the first measurement waveforms, and selecting driving waveforms based on the impedance of the electro-optic material in proximity to the first portion of pixel electrodes.
A non-transitory computer-readable recording medium storing a display control program for causing a computer to execute processing, the processing including: determining priorities of a plurality of facilities positioned within a specific area according to a value related to congestion determined on the basis of the upper limit number of people in each of the plurality of facilities and the number of visitors calculated on the basis of an image captured in each of the plurality of facilities; selecting a specific number of facilities from the plurality of facilities on the basis of the determined priorities; and displaying, for each of the specific number of selected facilities, a position on a map and alert information according to the value related to the congestion.
Systems and methods for presenting images on mirrored displays are provided. A cover layer having a surface area is positioned in front of an electronic display having a viewing area. A reflective material is located at the cover layer and is less than fully reflective where the cover layer is located above the viewing area. The mirrored display is configured to operate in a low power mode until a sensor detects a person proximate to the mirrored display and then operate in a normal power mode.
An openable structure, such as a greeting card or book, with a body, a cam lift mechanism, and at least one decorative element fixed to tab portions of the cam lift mechanism extending through cam slots in the body. The cam lift mechanism is actuatable by pivoting subpanels of the body away from each other. Pivoting of one of the subpanels causes lateral movement of a cam lever, which then pulls an extended arm portion of a rotating portion of the cam lift mechanism, causing the rotating portion to rotate about a primary axle. The cam slots guide the decorative elements radially outward or radially inward toward the primary axle upon rotation of the cam lift mechanism, causing the decorative elements to pop up or extend outward from the body.
An information processing apparatus acquires first physical makeup information representing a physical makeup of a first object. The first physical makeup information is information generated based on images obtained by imaging the first object with a plurality of imaging apparatuses in a plurality of directions. The information processing apparatus acquires second physical makeup information representing a physical makeup of a second object and motion information representing motion of a plurality of parts of the second object. The information processing apparatus generates motion information associated with the first physical makeup information based on the second physical makeup information and the motion information relating to the second object.
A UAV delivery control system is disclosed. Sensors detect operation parameters associated with the UAV as the UAV maneuvers along an airborne delivery route. A UAV operation controller monitors UAV route parameters as the UAV maneuvers along the airborne delivery route. The UAV route parameters are indicative as to a current environment of the airborne delivery route that the UAV is encountering. The UAV operation controller automatically adjusts the operation of the UAV to maintain the operation of the UAV within an operation threshold based on the operation parameters and the UAV route parameters. The operation threshold is the operation of the UAV that is maintained within an overall airborne operation radius of the UAV from a return destination thereby enabling the UAV to execute the delivery of the package along the airborne delivery route and to return to the return destination.
In some embodiments, techniques are provided for verifying operability of an automatic dependent surveillance-broadcast (ADS-B) receiver included in a first unmanned aerial vehicle (UAV), which includes receiving ADS-B data representative of ADS-B messages broadcast by traffic within a reception range of the ADS-B receiver during a first period of time, estimating a traffic environment for a service area spanning, at least in part, a first operating area of the first UAV during the first period of time, determining an expected observed traffic of the first UAV during the first period of time based on the estimated traffic environment, and verifying operability of the ADS-B receiver of the first UAV based on a comparison between the expected observed traffic of the first UAV and the traffic associated with the ADS-B data received by the ADS-B receiver of the first UAV.
A method for providing a blind reveal warning on multi-focal plane augmented reality display includes receiving remote-vehicle data, which includes information about a plurality of remote vehicles. The remote vehicles include a first remote vehicle located directly in front of the host vehicle and a second remote vehicle in front of the first remote vehicle. The method further includes determining an approach rate of the first remote vehicle to the second remote vehicle. The method further includes determining a probability that the first remote vehicle will perform a blind reveal and comparing that probability with a predetermined threshold value. The method further includes, in response to determining that the probability that the first remote vehicle will perform the blind reveal is greater than the predetermined threshold value, transmitting a command signal to the display of the host vehicle to display a virtual image.