Patents by Inventor Dae-Kyu Choi

Dae-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: 12154377
    Abstract: Disclosed is a face verification method and apparatus. The method including analyzing a current frame of a verification image, determining a current frame state score of the verification image indicating whether the current frame is in a state predetermined as being appropriate for verification, determining whether the current frame state score satisfies a predetermined validity condition, and selectively, based on a result of the determining of whether the current frame state score satisfies the predetermined validity condition, extracting a feature from the current frame and performing verification by comparing a determined similarity between the extracted feature and a registered feature to a set verification threshold.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: November 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Wonsuk Chang, Deoksang Kim, Dae-Kyu Shin, Byungin Yoo, Seungju Han, Jaejoon Han, Jinwoo Son, Chang Kyu Choi
  • Publication number: 20240379156
    Abstract: The present invention relates to an optical property storage device and a system using the same. The device according to an exemplary embodiment of the present invention comprises: a light transistor in which the conductance between a source electrode and a drain electrode changes in accordance with optical properties of color temperature and illumination of incident light; and a variable resistance memory device of a second terminal in which a first electrode is electrically connected to any one electrode from among the source and drain electrodes of the light transistor, and which stores a conductance changing in accordance with the changed conductance of the light transistor.
    Type: Application
    Filed: April 7, 2022
    Publication date: November 14, 2024
    Inventors: Dae Hwan KIM, Dong Myoung KIM, Sung Jin CHOI, Chang Wook KIM, Jin Gyu PARK, Dong Uk KIM, Hyun Kyu LEE, Tae Jun YANG
  • Patent number: 12136292
    Abstract: Disclosed is a face verification method and apparatus. A mobile device may include one or more processors configured to obtain one or more images for a user, ascertain whether any of the one or more images correspond to respective user distances, from the user to the mobile device, outside of a threshold range of distances, and selectively, based on a result of the ascertaining, perform verification using a first verification threshold for any of the one or more images ascertained to correspond to the respective user distances that are outside the threshold range of distances, and perform verification using a less strict second verification threshold for any of the one or more images that have been ascertained to not correspond to the respective user distances that are outside the threshold range of distances.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: November 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changyong Son, Wonsuk Chang, Deoksang Kim, Dae-Kyu Shin, Byungin Yoo, Seungju Han, Jaejoon Han, Jinwoo Son, Chang Kyu Choi
  • Publication number: 20240360092
    Abstract: Disclosed are a dual modulator of mGluR5 and 5-HT2AR (5-HT2A receptor), and use thereof. More specifically, disclosed are a compound which acts as modulator of mGluR5 and an antagonist of 5-HT2AR at the same time, and use thereof as therapeutic agent for pain.
    Type: Application
    Filed: July 1, 2024
    Publication date: October 31, 2024
    Applicant: Vivozon Inc.
    Inventors: Dae Kyu CHOI, Hyo Jin KIM, Mi Seon BAE, Jin CHOI, Hyun Jin HEO, Yong Seok LEE, Geon Ho LEE, Mi Yon SHIM, Jin Sun PARK, Han Mi LEE
  • Publication number: 20240361049
    Abstract: A refrigerator for drinks may include a cabinet and a cooling guide transmitting coldness to a drink container stored in an erect state in the cabinet. Several coolers may be disposed for cooling guides and may cool the cooling guides, respectively, and dispenser nozzles may be disposed to be exposed outside the cabinet, whereby drinks may be dispensed. A surface of a cooling block facing a thermoelectric element of the cooler and a surface of the cooling block facing the cooling guide may have different areas.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Dae Woong KIM, Hee Su YANG, Min Kyu OH, Su Young LEE, Ja Yoen KIM, Hwa Yun CHOI
  • Patent number: 12132110
    Abstract: Disclosed is a synaptic transistor, including a substrate, an expansion gate electrode disposed to extend in one direction on the substrate, a gate insulating layer including ions, covering the expansion gate electrode, and disposed on the substrate, a channel layer disposed on the gate insulating layer to correspond to one end of the expansion gate electrode, source and drain electrodes spaced apart from each other, covering both ends of the channel layer, and disposed on the gate insulating layer, and a pad electrode disposed on the gate insulating layer to correspond to the other end of the expansion gate electrode.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 29, 2024
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Dae Hwan Kim, Dong Yeon Kang, Jun Tae Jang, Shin Young Park, Hyun Kyu Lee, Sung Jin Choi, Dong Myoung Kim, Wonjung Kim
  • Publication number: 20240341162
    Abstract: Embodiments of a display device include a plurality of light emitting portions including a plurality of light emitting elements; and a sensing portion including a photoelectric conversion device, wherein the photoelectric conversion device includes a first electrode, common electrode facing the first electrode, and a hole injection layer, hole transport layer, resonance layer, and an active layer stacked between the first electrode and the common electrode, and wherein the light emitting elements include, a pixel electrode, the common electrode facing the pixel electrode, and the hole injection layer, hole transport layer, resonance layer, and a light emitting layer stacked between the pixel electrode and the common electrode, wherein a thickness of each of the resonance layers of light emitting elements are different from each other, and a thickness of the resonance layer of a light emitting element is the same as a thickness of the resonance layer.
    Type: Application
    Filed: November 20, 2023
    Publication date: October 10, 2024
    Inventors: JUN YONG SHIN, SOUNG WOOK KIM, HWA SOOK RYU, DONG KYU SEO, SEOK GYU YOON, DAE HO LEE, HYE JIN JUNG, YOUNG EUN CHOI
  • Patent number: 12106794
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Grant
    Filed: June 7, 2023
    Date of Patent: October 1, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Dae-Sik Moon, Gil-Hoon Cha, Ki-Seok Oh, Chang-Kyo Lee, Yeon-Kyu Choi, Jung-Hwan Choi, Kyung-Soo Ha, Seok-Hun Hyun
  • Publication number: 20240279802
    Abstract: Provided are a process chamber cleaning apparatus and method in which the inside of a process chamber may be cleaned without damaging to an inner wall or a component of the process chamber. The process chamber cleaning apparatus comprising: a chamber housing; a substrate support installed inside the chamber housing, supporting a plurality of semiconductor substrates; a gas supply providing process gases; a first gas injector installed inside the chamber housing, connected to the gas supply, injecting etch gas, which is one of the process gases, into the chamber housing; and a controller controlling operations of the gas supply and the first gas injector, wherein the first gas injector injects the etch gas in a direction twisted at a predetermined angle from a central direction of the chamber housing.
    Type: Application
    Filed: November 14, 2023
    Publication date: August 22, 2024
    Inventors: Jung-Min LEE, Gi Duck KWEON, Dae Ki KIM, Hang Kyu SONG, Hyun Tae YANG, Byoung Kwon YEO, Byeong Ho WOO, Jae Sung YU, Jung Bae CHOI
  • Publication number: 20240271990
    Abstract: A vibration measurement error determination method according to an embodiment of the present invention comprises: a vibration data acquisition step for acquiring vibration data by measuring a vibration generated in a structure; a first determination step for determining, on the basis of a preset error data selection rule, whether the vibration data is data generated by a measurement error; a second determination step for using a machine-learning algorithm to determine whether the vibration data is data generated by a measurement error; and a final determination step for determining, on the basis of the results determined in the first determination step and the second determination step, whether the vibration data is data generated by a measurement error.
    Type: Application
    Filed: November 15, 2021
    Publication date: August 15, 2024
    Inventors: Min Ho KIM, Dae Woong KIM, Song Hae YE, Won Kyu LEE, Ju Sik KIM, Byeong Suk MOON, Sin Gyu KANG, Byeong Keun CHOI, Hyeon Tak YU
  • Patent number: 12060339
    Abstract: Disclosed are a dual modulator of mGluR5 and 5-HT2AR (5-HT2A receptor), and use thereof. More specifically, disclosed are a compound which acts as modulator of mGluR5 and an antagonist of 5-HT2AR at the same time, and use thereof as therapeutic agent for pain.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: August 13, 2024
    Assignee: Vivozon Inc.
    Inventors: Dae Kyu Choi, Hyo Jin Kim, Mi Seon Bae, Jin Choi, Hyun Jin Heo, Yong Seok Lee, Geon Ho Lee, Mi Yon Shim, Jin Sun Park, Han Mi Lee
  • Patent number: 12050033
    Abstract: A refrigerator includes a cabinet, a cooling guide transmitting coldness to a drink container stored in an erect state in the cabinet, a cooler located in the cabinet to cool the cooling guide, and a dispenser nozzle disposed to be at least partially exposed outside the cabinet. The cooler includes a thermoelectric element and a cooling block having a surface facing the thermoelectric element of the cooler and a surface of the cooling block facing the cooling guide, where the surfaces have different areas.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: July 30, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Dae Woong Kim, Hee Su Yang, Min Kyu Oh, Su Young Lee, Ja Yoen Kim, Hwa Yun Choi
  • Publication number: 20220274939
    Abstract: Disclosed are a dual modulator of mGluR5 and 5-HT2AR (5-HT2A receptor), and use thereof. More specifically, disclosed are a compound which acts as modulator of mGluR5 and an antagonist of 5-HT2AR at the same time, and use thereof as therapeutic agent for pain.
    Type: Application
    Filed: July 28, 2021
    Publication date: September 1, 2022
    Inventors: Dae Kyu CHOI, Hyo Jin KIM, Mi Seon BAE, Jin CHOI, Hyun Jin HEO, Yong Seok LEE, Geon Ho LEE, Mi Yon SHIM, Jin Sun PARK, Han Mi LEE
  • Patent number: 11082474
    Abstract: A method for buffering data in an adaptive streaming service according to an embodiment of the present disclosure comprises the steps of: measuring a per-session throughput and an available bandwidth with respect to traffic generated from a streaming application; determining a number of multiple sessions based on the per-session throughput and the available bandwidth; determining a buffer size for pre-storing data based on a cache hit ratio of the streaming application; and generating at least one request message requesting data based on the number of multiple sessions and the buffer size, and transmitting the at least one request message to a server.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: August 3, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Kyu Choi, Do-Jun Byun, Sin-Seok Seo, Hyeon-Hun Jung
  • Patent number: 10848945
    Abstract: The present invention relates to a technology for sensor networks, machine to machine (M2M) communication, machine type communication (MTC) and the Internet of Things (IoT). The present disclosure can be utilized for smart services (smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security and safety-related services, etc.) based on the aforementioned technology.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: November 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dae-Kyu Choi
  • Patent number: 10728128
    Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, 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 detecting a counterfeit advertiser by a server includes detecting a random delay time or a cumulative interval for a reference device based on a time stamp for an advertisement packet received from the reference device, and detecting a random delay time or a cumulative interval for a receiving device other than the reference device based on a time stamp for an advertisement packet received from the receiving device.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Kyu Choi, Sin-Seok Seo, Ki-Seok Lee, Do-Hy Hong
  • Patent number: 10638427
    Abstract: The present invention relates to a technology for a sensor network, machine to machine (M2M) communication, machine type communication (MTC), and the Internet of things (IoT). The present invention can be used for intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retailing, security and safety related services, and the like) based on the technology. The present invention provides a method by which a node transmits a signal in a mesh network, the method comprising the steps of: transmitting a packet; receiving at least one packet transmitted from at least one peripheral node except for the node, after transmitting the packet; determining whether the at least one peripheral node has normally received the packet on the basis of the at least one packet; and retransmitting the packet if it is determined that it is necessary to retransmit the packet, on the basis of the determination result.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dae-Kyu Choi
  • Publication number: 20200092346
    Abstract: A method for buffering data in an adaptive streaming service according to an embodiment of the present disclosure comprises the steps of: measuring a per-session throughput and an available bandwidth with respect to traffic generated from a streaming application; determining a number of multiple sessions based on the per-session throughput and the available bandwidth; determining a buffer size for pre-storing data based on a cache hit ratio of the streaming application; and generating at least one request message requesting data based on the number of multiple sessions and the buffer size, and transmitting the at least one request message to a server.
    Type: Application
    Filed: March 3, 2017
    Publication date: March 19, 2020
    Inventors: Dae-Kyu CHOI, Do-Jun BYUN, Sin-Seok SEO, Hyeon-Hun JUNG
  • Publication number: 20190306042
    Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, 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 detecting a counterfeit advertiser by a server includes detecting a random delay time or a cumulative interval for a reference device based on a time stamp for an advertisement packet received from the reference device, and detecting a random delay time or a cumulative interval for a receiving device other than the reference device based on a time stamp for an advertisement packet received from the receiving device.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Inventors: Dae-Kyu CHOI, Sin-Seok SEO, Ki-Seok LEE, Do-Hy HONG
  • Patent number: 10333811
    Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, 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 detecting a counterfeit advertiser by a server includes detecting a random delay time or a cumulative interval for a reference device based on a time stamp for an advertisement packet received from the reference device, and detecting a random delay time or a cumulative interval for a receiving device other than the reference device based on a time stamp for an advertisement packet received from the receiving device.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 25, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Kyu Choi, Sin-Seok Seo, Ki-Seok Lee, Do-Hy Hong