Patents by Inventor Kyu Choi

Kyu Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11983134
    Abstract: Disclosed is an electronic device including a first interface configured to receive information about a device information storage device configured to store information about another electronic device, a second interface configured to communicate with a processor of the other electronic device, and at least one processor, wherein the at least one processor is configured to, when the device information storage device is identified through the first interface, acquire the information about the other electronic device from the device information storage device through the first interface, when the device information storage device is not identified through the first interface, check whether the other electronic device is identified through the second interface, and when the other electronic device is identified through the second interface, acquire the information about the other electronic device through the second interface based on communication with the processor of the other electronic device.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: May 14, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyoung Kyu Choi, Jin Kyoung Kim
  • Publication number: 20240152729
    Abstract: A convolutional neural network (CNN) processing method includes selecting a survival network in a precision convolutional network based on a result of performing a high speed convolution operation between an input and a kernel using a high speed convolutional network, and performing a precision convolution operation between the input and the kernel using the survival network.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Changyong SON, Jinwoo SON, Chang Kyu CHOI, Jaejoon HAN
  • Publication number: 20240146257
    Abstract: Aspects of the subject technology provide miniaturization and improved power dissipation for communication systems that include a radio frequency power amplifier. In aspects, a radio frequency power amplifier may be mounted inside a cavity in a primary printed circuit board. Circuits related the power amplifier, such as output matching circuits, biasing circuits, and/or passive components, may be mounted on submodule printed circuit board that itself is mounted to the primary printed circuit board in a stacked configuration above the power amplifier and the cavity containing the power amplifier.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 2, 2024
    Inventors: Wangmyong WOO, Chang Kyu Choi, Wei-Shun Wang, Ricardo Javier Torres
  • Patent number: 11971924
    Abstract: A processor-implemented liveness test method includes detecting a face region in a query image, the query image including a test object for a liveness test, determining a liveness test condition to be applied to the test object among at least one liveness test condition for at least one registered user registered in a registration database, determining at least one test region in the query image based on the detected face region and the determined liveness test condition, obtaining feature data of the test object from image data of the determined at least one test region using a neural network-based feature extractor, and determining a result of the liveness test based on the obtained feature data and registered feature data registered in the registration database and corresponding to the determined liveness test condition.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjun Kwak, Byung In Yoo, Youngsung Kim, Chang Kyu Choi, Jaejoon Han
  • Publication number: 20240136445
    Abstract: A synapse device, a manufacturing method thereof, and a neuromorphic device including the synapse device are disclosed. The synapse device may include a channel member, a tunnel insulating layer disposed on the channel member, a charge trap layer disposed on the tunnel insulating layer, a blocking insulating layer disposed on the charge trap layer, a gate electrode disposed on the blocking insulating layer, a first terminal and a second terminal respectively connected to first and second regions of the channel member, and first and second conductors respectively bonded to the first and second terminals The charge trap layer may have a multilayer structure including a first trap layer disposed adjacent to the channel member and a second trap layer disposed adjacent to the gate electrode. The first trap layer may have a trap of a shallower level than that of the second trap layer.
    Type: Application
    Filed: August 1, 2023
    Publication date: April 25, 2024
    Inventors: Yang Kyu CHOI, Ji Man YU, Seong-Yeon KIM
  • Publication number: 20240137024
    Abstract: A ternary logic element including a transistor and a switching element. The transistor includes a channel layer including silicon, an input electrode, an output electrode, and a control electrode. The switching element includes an emitter, a base extending from the emitter, and a collector extending from the base. When a first control voltage is applied to the control electrode, the ternary logic element outputs a first voltage, and when a second control voltage different from the first control voltage is applied to the control electrode, the ternary logic element outputs a second voltage different from the first voltage, and when a third control voltage different from the first control voltage and the second control voltage is applied to the control electrode, the ternary logic element outputs a third voltage different from the first voltage and the second voltage.
    Type: Application
    Filed: August 6, 2023
    Publication date: April 25, 2024
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yang Kyu CHOI, Joon Kyu HAN
  • Patent number: 11966622
    Abstract: A memory storage device that performs real-time monitoring is provided. The memory storage device comprises a memory controller, and a status indicating module/circuit, wherein the memory controller is configured to perform a first a second initialization operation, the first and second initialization operations performed in response to turning-on of the memory storage device, to generate a first status parameter regarding a status of the memory storage device in which the first initialization operation is performed, and to generate a second status parameter regarding the status of the memory storage device in which a second initialization operation is performed. The status indicating circuit includes a first transistor configured to operate on the basis of the first status parameter, a first resistor connected to the first transistor, a second transistor configured to operate on the basis of the second status parameter, and a second resistor connected to the second transistor.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Oh Huh, Jong Kyu Choi, Soo-Hyeong Kim, Dong Hee Kim, Young San Kang
  • Publication number: 20240128480
    Abstract: An exemplary embodiment of the present disclosure provides a separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA). The separator includes a plate body stacked on the reaction layer, a wave pattern provided on one surface of the plate body that faces the reaction layer, the wave pattern being configured to define a reaction channel disposed between the reaction layer and the plate body and provided in a first direction in which a reactant gas is supplied, so that the reactant gas flows along the reaction channel, and a land provided along a lateral end of the wave pattern and disposed to be in contact with the reaction layer, thereby obtaining an advantageous effect of improving performance and operational efficiency.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 18, 2024
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventors: Sun Hwi KIM, Hyun Kyu CHOI, Bae Jung KIM, Chan Gi KIM, Hyun Jeong KIM, Ah Reum KIM
  • Publication number: 20240119851
    Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 11, 2024
    Inventors: Eun Young LEE, Min Jung KIM, Yeun Hee KANG, Bong Hyun CHOI, Tae Un KIM, Soo Hyun LEE, Young Ho KIM, Chan Kyu CHOI, Jin Mo KU, Jong Won KIM
  • Patent number: 11948074
    Abstract: Disclosed is a processor-implemented data processing method in a neural network. A data processing apparatus includes at least one processor, and at least one memory configured to store instructions to be executed by the processor and a neural network, wherein the processor is configured to, based on the instructions, input an input activation map into a current layer included in the neural network, output an output activation map by performing a convolution operation between the input activation map and a weight quantized with a first representation bit number of the current layer, and output a quantized activation map by quantizing the output activation map with a second representation bit number based on an activation quantization parameter.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: April 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sangil Jung, Changyong Son, Seohyung Lee, Jinwoo Son, Chang Kyu Choi
  • Publication number: 20240076604
    Abstract: A large scale bioreactor system includes a stainless steel large scale bioreactor having at least one valve assembly, and an aseptic connector assembly coupled to the at least one valve assembly of the bioreactor. A perfusion device includes an Alternating Tangential Filtration assembly with an autoclaved valve assembly coupled to the aseptic connector assembly, and the aseptic connector assembly includes one of a triclamp aseptic connector or a hose assembly. Single use feed containers include an aseptic connector assembly.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 7, 2024
    Inventors: Gregory S. Stimpfl, Oliver Kaltenbrunner, Mark O. Brothers, David C. Hogenson, Thomsen P. Sawicky, Min Kyu Choi, Jeffrey T. Ranney, John C. Roseland
  • Patent number: 11922988
    Abstract: Disclosed are a DRAM device capable of storing charges for a long time and an operating method thereof. According to an embodiment, a DRAM device includes a channel region formed on a substrate, a gate insulating film region formed on the channel region, a floating gate region formed on the gate insulating film region, a transition layer region formed on the floating gate region, and a control gate region formed on the transition layer region and generating a potential difference with the floating gate region in response to a fact that a potential that is not less than a reference potential is applied and releasing at least one charge stored in the floating gate region or storing the at least one charge into the floating gate region, by generating a transition current due to the potential difference.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: March 5, 2024
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Yang-Kyu Choi, Myung-Su Kim
  • Publication number: 20240071500
    Abstract: Memory array structures, and methods of their formation, might include a first memory cell having a first control gate and an adjacent first portion of a charge-blocking structure, a second memory cell having a second control gate and an adjacent second portion of the charge-blocking structure, and a first dielectric material between the first control gate and the second control gate, and adjacent to a third portion of the charge-blocking structure that is between the first and second portions of the charge-blocking structure. The third portion of the charge-blocking structure might include a second dielectric material and a third dielectric material different than the second dielectric material, and the first portion of the charge-blocking structure and the second portion of the charge-blocking structure might each include the third dielectric material and a fourth dielectric material different than the second dielectric material. Apparatus might include such memory array structures.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 29, 2024
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Jae Kyu Choi, Jin Yue, Kyubong Jung, Albert Fayrushin, Jae Young Ahn, Jun Kyu Yang
  • Patent number: 11915119
    Abstract: A convolutional neural network (CNN) processing method includes selecting a survival network in a precision convolutional network based on a result of performing a high speed convolution operation between an input and a kernel using a high speed convolutional network, and performing a precision convolution operation between the input and the kernel using the survival network.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: February 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Jinwoo Son, Chang Kyu Choi, Jaejoon Han
  • Patent number: 11915432
    Abstract: Disclosed is a target tracking method and apparatus. The target tracking apparatus includes a processor configured to obtain a first depth feature from a target region image and obtain a second depth feature from a search region image, obtain a global response diagram between the first depth feature and the second depth feature, acquire temporary bounding box information based on the global response diagram, updated the second depth feature based on the temporary bounding box information, obtain local feature blocks based on the first depth feature, obtain a local response diagram based on the local feature blocks and the updated second depth feature, and determine output bounding box information based on the local response diagram.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 27, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jingtao Xu, Jiaqian Yu, Byung In Yoo, Chang Kyu Choi, Hyunjeong Lee, Hangkai Tan, Jaejoon Han, Qiang Wang, Yiwei Chen
  • Patent number: 11901345
    Abstract: A semiconductor package may include: a substrate; a first sub-semiconductor package disposed over the substrate, the first sub-semiconductor package including a first buffer chip and a first memory chip; and a second memory chip disposed over the first sub-semiconductor package, wherein the first buffer chip and the first memory chip are connected to each other using a first redistribution line, and wherein the first buffer chip and the second memory chip are connected to each other using a second bonding wire.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 13, 2024
    Assignee: SK hynix Inc.
    Inventors: Jeong Hyun Park, Bok Kyu Choi
  • Publication number: 20240047600
    Abstract: A transistor for implementing a photo-responsive neuronal device is disclosed. According to one example embodiment, the transistor includes a semiconductor substrate including a hole barrier region or an electron barrier region; a floating body extended in a horizontal direction on the hole barrier region or the electron barrier region; a source region and a drain region formed at both ends of the floating body; a gate insulating film formed on the floating body; and a gate region formed on the gate insulating film.
    Type: Application
    Filed: December 15, 2021
    Publication date: February 8, 2024
    Inventors: Yang-Kyu CHOI, Joon-Kyu HAN
  • Patent number: 11893497
    Abstract: A processor-implemented method of generating feature data includes: receiving an input image; generating, based on a pixel value of the input image, at least one low-bit image having a number of bits per pixel lower than a number of bits per pixel of the input image; and generating, using at least one neural network, feature data corresponding to the input image from the at least one low-bit image.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: February 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Kyu Choi, Youngjun Kwak, Seohyung Lee
  • Patent number: 11883634
    Abstract: An electrohydraulic microjet drug delivery device includes: a discharge body provided with a power supply unit in which electric energy is stored; and a medicinal fluid delivery body detachably attached to the discharge body, the medicinal fluid delivery body including a pressure generation unit configured to store a pressure generation liquid, a medicinal fluid storage unit configured to store a medicinal fluid, an elastic separation membrane installed between the pressure generation unit and the medicinal fluid storage unit and configured to separate the pressure generation liquid and the medicinal fluid, a discharger installed inside the pressure generation unit so as to be submerged in the pressure generation liquid and configured to generate a spark using the electric energy stored in the power supply unit, and a nozzle kept in communication with the medicinal fluid storage unit.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: January 30, 2024
    Assignee: MEDIJET CO., LTD.
    Inventors: Seok Soon Lee, Jin Kyu Choi, Han Bin Kang, Seung Min Tak, In Seok Baek
  • Patent number: 11883760
    Abstract: A foldable toy includes: a body part; a support part movably connected to the body part; at least one movable body part movably connected to at least one of the body part or the support part; and a locking part to fix the moveable body part in a first position to lock the foldable toy in a first shape in which the body part, the support part, and the movable body part are deployed. When the locking part is unlocked, the movable body part moves to a second position, and the foldable toy is folded into a second shape in which the body part, the support part, and the movable body part are stacked on one another.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: January 30, 2024
    Inventor: Shin-Kyu Choi