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112 条记录 (耗时 0.017 秒)

    Ultrasonic Driver
    33.
    发明申请
    Ultrasonic Driver 有权
    超声波驱动器

    公开(公告)号：US20140265725A1

    公开(公告)日：2014-09-18

    申请号：US13832386

    申请日：2013-03-15

    申请人： uBeam Inc.

    发明人： Matthew Angle ,  Marc Berte

    IPC分类号： H01L41/04

    CPC分类号： B06B1/0207 ,  B06B1/0292 ,  B06B1/0603 ,  B06B2201/51 ,  H01L41/042

    摘要： An ultrasonic transducer that can include a driver side and a bias voltage side. A higher voltage source can be electrically connected to the bias voltage side through a first resistor. A lower voltage source can be electrically connected to the driver side of through a second resistor. A field effect transistor or other suitable switch can be included, having a source, a gate and a drain. The source can be electrically connected to ground and the gate can be electrically connected to a control signal source. The drain can be electrically connected to the lower voltage source through a second resistor and be electrically connected to the driver side of the ultrasonic transducer. The gate can be electrically connected to a signal source through a third resistor.

    摘要翻译： 可以包括驱动器侧和偏置电压侧的超声换能器。 较高的电压源可以通过第一电阻器电连接到偏置电压侧。 较低电压源可以通过第二电阻器电连接到驱动器侧。 可以包括场效应晶体管或其他合适的开关，具有源极，栅极和漏极。 源极可以电连接到地，并且栅极可以电连接到控制信号源。 漏极可以通过第二电阻器电连接到较低电压源，并且电连接到超声换能器的驱动器侧。 栅极可以通过第三电阻器电连接到信号源。

    Beamforming for wireless power transfer
    34.
    发明授权
    Beamforming for wireless power transfer 有权

    公开(公告)号：US10910889B2

    公开(公告)日：2021-02-02

    申请号：US16742619

    申请日：2020-01-14

    申请人： uBeam Inc.

    发明人： Andrew Joyce ,  Paul Reynolds

    IPC分类号： H02J50/15 ,  H04B5/00 ,  H02J50/90 ,  H02J50/20 ,  H02J50/30

    摘要： Systems and techniques are provided for beamforming for wireless power transfer. A position of a second wireless power transfer device relative to a first wireless power transfer device may be determined. A beam may be simulated as being transmitted from the position of the second wireless power transfer device. Phases of a wave front of the simulated beam that would be received by elements of the first wireless power transfer device may be determined. A control signal for each of the elements for which phases were determined may be generated based on the determined phase of the wave front that would be received at the element. The control signal for each of the elements for which phases were determined may be supplied to the elements for which phases were determined. A waveform may be transmitted from the elements for which phases were determined based on the supplied control signal.

    BEAMFORMING FOR WIRELESS POWER TRANSFER
    35.
    发明申请
    BEAMFORMING FOR WIRELESS POWER TRANSFER 审中-公开

    公开(公告)号：US20200153289A1

    公开(公告)日：2020-05-14

    申请号：US16742619

    申请日：2020-01-14

    申请人： uBeam Inc.

    发明人： Andrew Joyce ,  Paul Reynolds

    IPC分类号： H02J50/90 ,  H02J50/20 ,  H02J50/30 ,  H04B5/00 ,  H02J50/15

    摘要： Systems and techniques are provided for beamforming for wireless power transfer. A position of a second wireless power transfer device relative to a first wireless power transfer device may be determined. A beam may be simulated as being transmitted from the position of the second wireless power transfer device. Phases of a wave front of the simulated beam that would be received by elements of the first wireless power transfer device may be determined. A control signal for each of the elements for which phases were determined may be generated based on the determined phase of the wave front that would be received at the element. The control signal for each of the elements for which phases were determined may be supplied to the elements for which phases were determined. A waveform may be transmitted from the elements for which phases were determined based on the supplied control signal.

    SELF-POWERED ENERGY HARVESTING CIRCUIT
    36.
    发明申请
    SELF-POWERED ENERGY HARVESTING CIRCUIT 审中-公开

    公开(公告)号：US20200091730A1

    公开(公告)日：2020-03-19

    申请号：US16691535

    申请日：2019-11-21

    申请人： uBeam Inc.

    发明人： Hong Gao ,  Jonathan Bolus

    IPC分类号： H02J5/00 ,  H02M7/217 ,  H02J1/10 ,  H02J1/00 ,  H02J50/15 ,  H02J1/12 ,  H02J7/34

    摘要： Systems and techniques are provided for a self-powered energy harvesting circuit. A power generating mechanism may include power generating elements that generate alternating current signals. Rectifier circuits may each include a rectifier that generates a direct current signal from an alternating current signal. Group circuits may connect a group of the rectifier circuits in an electrical circuit to combine the direct current signals from the rectifier circuits in the group into a single direct current signal. Energy storage devices may be connected to the group circuits. The outputs of energy storage devices may be combined into a single output. The single output split into a primary output and a secondary output. A switch may be connected to the primary output. A controller may be connected to the secondary output and to the switch. The controller may control the switch. A voltage regulator may be connected to an output of the switch.

    ACOUSTICALLY PRODUCING A BIAS VOLTAGE
    37.
    发明申请
    ACOUSTICALLY PRODUCING A BIAS VOLTAGE 审中-公开

    公开(公告)号：US20190355894A1

    公开(公告)日：2019-11-21

    申请号：US15981300

    申请日：2018-05-16

    申请人： uBeam Inc.

    发明人： Hong Gao

    IPC分类号： H01L41/113 ,  H01L41/047 ,  H01L41/04 ,  H05K1/18 ,  H05K3/30

    摘要： Electrical power for an electrical device can be acoustically produced. A first portion of an acoustic energy can be received at a piezoelectric transducer. A first electrical energy, produced from the first portion of the acoustic energy, can be conveyed from the piezoelectric transducer and received by a circuit. A bias voltage, produced from the first electrical energy, can be conveyed from the circuit and received at a capacitive transducer. A second portion of the acoustic energy can be received at the capacitive transducer. A second electrical energy, produced from the second portion of the acoustic energy, can be conveyed from the capacitive transducer and used as the electrical power for the electrical device. A ratio of the second electrical energy to the second portion of the acoustic energy can be greater than a ratio of the first electrical energy to the first portion of the acoustic energy.

    ELASTIC LAYER FOR ULTRASONIC TRANSDUCER
    38.
    发明申请
    ELASTIC LAYER FOR ULTRASONIC TRANSDUCER 审中-公开

    公开(公告)号：US20190321853A1

    公开(公告)日：2019-10-24

    申请号：US15961152

    申请日：2018-04-24

    申请人： uBeam Inc.

    发明人： Iman Shahosseini ,  Zuki Tanaka

    IPC分类号： B06B1/06 ,  G10K13/00

    摘要： An apparatus of the disclosure is directed to an elongated polygon transducer membrane having a perimeter that includes a plurality of edges and a plurality of vertices. The elongated polygon transducer membrane may be fixed to a support structure at or around a plurality of the vertices and not fixed to the support structure at more than 50% of the perimeter. The apparatus of the disclosure may be an elongated hexagon transducer membrane having a perimeter comprising six edges and six vertices. The elongated hexagon transducer membrane may be fixed to a support structure at or around two vertices of the six vertices that are most distant from each other and not fixed at the other vertices or the edges of the perimeter.

    VISUALIZATION OF INTENSITY AND DIRECTIONALITY OF ULTRASONIC WAVEFORMS
    39.
    发明申请
    VISUALIZATION OF INTENSITY AND DIRECTIONALITY OF ULTRASONIC WAVEFORMS 审中-公开

    公开(公告)号：US20190288564A1

    公开(公告)日：2019-09-19

    申请号：US15919544

    申请日：2018-03-13

    申请人： uBeam Inc.

    发明人： Ross Chun ,  Ken Bates

    IPC分类号： H02J50/15 ,  H02J50/90 ,  H02J50/40

    摘要： Systems and methods are provided for a visual indication of acoustic energy fields, such as with ultrasonic energy waves. At least one of a plurality of transducers may receive ultrasonic energy waves and convert the received ultrasonic energy waves into a first type of electrical power. A power converter may convert the first type of electrical power into a second type of electrical power. One or more light emitting devices may be powered with the second type of electrical power from the power converter to output light corresponding to the received ultrasonic energy waves by the at least one of the plurality of transducers to provide a visual indication of ultrasonic energy, such as a visual indication of the focus and directionality of the ultrasonic energy waves.

    Membrane bonding with photoresist
    40.
    发明授权
    Membrane bonding with photoresist 有权

    公开(公告)号：US10065854B2

    公开(公告)日：2018-09-04

    申请号：US15154900

    申请日：2016-05-13

    申请人： uBeam Inc.

    发明人： Andrew Joyce ,  Sean Taffler ,  Paul Reynolds ,  Nicholas Lavada Nemeth ,  Adam Stephen Elhadad ,  Boozarjomehr Faraji

    IPC分类号： B29C65/52 ,  B32B37/12 ,  B32B38/10 ,  B32B43/00 ,  B81C1/00 ,  F16B11/00 ,  G03F7/00 ,  H01L21/00

    摘要： Systems and techniques are provided for membrane bonding. A photoresist may be applied to an ultrasonic device. A portion of the photoresist may be removed. A bonding agent may be applied a portion of the photoresist that is not removed. A membrane may be placed on the ultrasonic device such that the membrane is in contact with the ultrasonic device through the bonding agent and the photoresist. The membrane and the ultrasonic device may be placed in between a first flat plate and a second flat plate, such that the second flat plate rests on top of the membrane. Light pressure may be applied to the membrane. The light pressure may be applied by one or more of the weight of the second flat plate and a pressure providing device applying pressure to either or both of the first flat plate and the second flat plate.