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公开(公告)号：US20240296319A1
公开(公告)日：2024-09-05
申请号：US18544268
申请日：2023-12-18
Inventor： Chang Ki BAEK , Yi Joon KIM , Hyang Woo KIM
IPC: G06N3/063 , H01L29/165 , H01L29/68 , H01L29/78 , H03K17/567
CPC classification number: G06N3/063 , H03K17/567 , H01L29/165 , H01L29/685 , H01L29/78
Abstract: Disclosed are an integrate-and-fire neuron circuit implemented to enable an integrate-and-fire operation with only a small number of devices by using bistable resistance characteristics of the same two heterojunction NPN devices, unlike a CMOS-based integrate-and-fire neuron circuit having a complex structure, and an operation method thereof. In one or more aspects, an integrate-and-fire neuron circuit and an operation method thereof can increase neuron integration in a system by implementing an integrate-and-fire operation of neurons using only three transistors and two capacitors, or two transistors, one resistor and one capacitor, can improve the efficiency of spiking neural network learning by controlling a fire threshold point of neurons through regulation of a gate voltage of the same two NPN devices, and can expect an increase in energy efficiency of the entire system through inhibition of excessive fire by implementing excitatory and inhibitory post-synaptic potentials.
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公开(公告)号：US20240282839A1
公开(公告)日：2024-08-22
申请号：US18367854
申请日：2023-09-13
Inventor： Rock-Hyun Baek , Sang Uk Lee
IPC: H01L29/423 , H01L29/06 , H01L29/10 , H01L29/66 , H01L29/775 , H01L29/78 , H01L29/786
CPC classification number: H01L29/42392 , H01L29/0673 , H01L29/1083 , H01L29/66439 , H01L29/66545 , H01L29/775 , H01L29/785 , H01L29/78696 , H01L29/0603
Abstract: A gate-all-around field effect transistor with an extended source/drain and a method of manufacturing the same. The gate-all-around field effect transistor has an extended source/drain structure formed by partial etching of channels to solve unbalance between semiconductor devices and enables high speed operation through reduction in RC delay.
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公开(公告)号：US12067168B2
公开(公告)日：2024-08-20
申请号：US18054709
申请日：2022-11-11
Inventor： Seung Moon Choi , Beom Su Lim , Sang Yoon Han
CPC classification number: G06F3/016 , G06T11/001
Abstract: A method of providing a texture motion effect in a multisensory media system includes generating a texture signal by using linear predictive coding (LPC) filters obtained by applying LPC to each of a column and a row forming a texture image selected from an input image and generating a texture motion by using a visual roughness of the texture signal and a depth speed of a camera.
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24.发明公开公开(公告)号：US20240233555A1
公开(公告)日：2024-07-11
申请号：US18319369
申请日：2023-05-17
Inventor： Hyeon Su LYU , Hyun Jong YANG , Jong Gyu JANG
IPC: G08G5/00
CPC classification number: G08G5/003 , G08G5/0069
Abstract: The present disclosure relates to a tree-search based trajectory planning and resource management method and apparatus of an unmanned aerial vehicle base station. The tree-search based trajectory planning and resource management method of an unmanned aerial vehicle base station according to an embodiment of the present disclosure includes: decomposing an optimization problem of trajectory planning, user association (UA), resource allocation (RA), and power control (PC) related to the unmanned aerial vehicle base station into a time axis; managing resources by jointly optimizing variables of the UA, RA, and PC for an arbitrary location of the unmanned aerial vehicle base station; and obtaining the trajectory planning by obtaining position variables based on the obtained predetermined function value and a depth-first search (DFS) algorithm.
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公开(公告)号：US20240230520A1
公开(公告)日：2024-07-11
申请号：US18522026
申请日：2023-11-28
Inventor： Kyoung-Duck PARK , Yeonjeong KOO
CPC classification number: G01N21/1702 , G01N21/658 , G01N2021/1708
Abstract: A tip-enhanced spectroscopy may include a substrate on which liquid containing an analyte is to be positioned, a tip extending from a fixed end to a free end adjacent to a location for the analyte, and a vibration source configured to harmonically vibrate the tip based on a preset natural frequency. The preset natural frequency may be a natural frequency of a tuning fork.
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Patent Agency Ranking
公开(公告)号：US20240229301A9
公开(公告)日：2024-07-11
申请号：US18383088
申请日：2023-10-24
Applicant: POSTECH Research and Business Development Foundation , KYUNGPOOK NATIONAL UNIVERSITY HOSPITAL , Kyungpook National University Industry-Academic Cooperation Foundation
Inventor： Joon Won KIM , Jongkyeong Lim , Jaechan Park
CPC classification number: D01D5/28 , A61L24/043 , A61M25/0026 , D01D4/02 , D01D5/06 , A61L2300/418 , A61M2025/0004 , A61M2025/0039 , A61M2025/0042 , D10B2509/00
Abstract: Disclosed is an apparatus for continuous spinning of coagulative polymeric microfibers comprising an outer microcatheter, an inner microcatheter having a smaller diameter than the outer microcatheter and inserted inside the outer microcatheter, a double lumen part in which the outer microcatheter and the inner microcatheter are coaxially superimposed with a radially spaced interstitial space, and a single lumen part formed by the outer microcatheter from an end of the inner microcatheter to an end of the outer microcatheter. A core fluid supplied through an interior of the inner microcatheter comprises a coagulative polymeric fluid, and a sheath fluid supplied through the interstitial space comprises a fluid including saline, wherein the core fluid and the sheath fluid may be configured to flow coaxially in the single lumen part to generate and discharge a coagulative polymeric microfiber.
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公开(公告)号：US12031926B2
公开(公告)日：2024-07-09
申请号：US17426183
申请日：2020-01-29
Applicant: Korea University Research and Business Foundation , POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
Inventor： Ki Hyun Nam , Yunje Cho
IPC: G01N23/20025 , G01N1/36
CPC classification number: G01N23/20025 , G01N1/36 , G01N2223/056
Abstract: The present invention relates to a sample holder on which a crystal sample for serial crystallography is mounted, or the like. Compared to an existing sample holder, the sample holder according to the present invention can be manufactured by a very simple manufacturing process and at low costs, and does not physically and chemically affect other equipment therearound while collecting X-ray diffraction data. Therefore, it is possible to stably operate a beam line, to increase beam time efficiency, and further to perform raster scanning so that many diffraction images can be obtained even in a small-sized chip. In addition, since the problem of evaporation of a crystallized solution does not occur even when the crystallized solution is stored in the air for a long time, the sample holder is generally easy to use compared to a previously reported sample holder. Therefore, it is expected that the sample holder is very likely to be variously applied to the fixed-target serial crystallographic research field using various samples.
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28.发明授权公开(公告)号：US12024423B2
公开(公告)日：2024-07-02
申请号：US17587922
申请日：2022-01-28
Inventor： Jung Ho Je , Seung Soo Oh , Un Yang , Moon Jung Yong , Byung Hwa Kang
CPC classification number: B82B3/0023 , B82Y20/00 , B82Y40/00
Abstract: Provided is a method of fabricating a micro/nanowire having a nanometer- to micrometer-sized diameter at predetermined positions on an object. The method comprises: preparing a micro/nanopipette having a tip with an inner diameter (dpt) which is substantially the same as the diameter of the micro/nanowire to be fabricated; filling the micro/nanopipette with a solution containing a micro/nanowire-forming material; bringing the solution into contact with the object through the tip of the micro/nanopipette; and pulling the micro/nanopipette apart from the object at a pulling speed lower than or equal to a predetermined critical pulling speed (vc) to fabricate a micro/nanowire having substantially the same diameter as the inner diameter of the micro/nanopipette tip (dpt). The critical pulling speed (vc) is defined by a maximum limit of the pulling speed at which the micro/nanowire to be fabricated has the same diameter as the inner diameter of the micro/nanopipette tip (dpt).
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29.发明公开公开(公告)号：US20240213921A1
公开(公告)日：2024-06-27
申请号：US18087769
申请日：2022-12-22
Inventor： Young Jin KIM , Ji Hun HA , Ram Jothikumar PRASANTH
Abstract: Disclosed are a shade detection and global maximum power point tracking method and apparatus for photovoltaic power conversion. The method comprises: setting an array voltage at a first duty and an array current at a second duty among data sheet values of a PV array of a PV module as a reference array voltage and a reference array current, respectively; calculating a MPP resistance of the PV array based thereon; calculating a duty to be applied to a switch of a boost converter of the PV module based on the MPP resistance; obtaining an actual array voltage and an actual array current of the PV array based on the duty; and determining whether a uniform shade case occurs based on the actual array voltage, the actual array current, and actual power.
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公开(公告)号：US20240211510A1
公开(公告)日：2024-06-27
申请号：US18396400
申请日：2023-12-26
Inventor： Min Su CHO , Da Hyun KANG
IPC: G06F16/583 , G06F16/532 , G06F16/55 , G06T7/10
CPC classification number: G06F16/583 , G06F16/532 , G06F16/55 , G06T7/10
Abstract: A few-shot learning method according to the present disclosure includes obtaining an image and a segmentation prediction for the image and learning, when a query image is provided with a pre-learned model, the model based on the image and a segmentation index to simultaneously perform classification and segmentation of a specific region from the query image, in which the model includes an attentive squeeze network (ASNet), does not perform the classification when an object with low relevance exists in the query image, and performs the classification and segmentation when an object with high relevance exists in the query image.
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