Patents by Inventor Woong Choi

Woong 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: 11917193
    Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: February 27, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sang Min Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 11896718
    Abstract: The present invention relates to a composite preparation in a core tablet form, composed of an inner core containing rabeprazole as an effective ingredient; an outer layer portion including the bilayer structure of a sustained release layer and an immediate release layer and containing mosapride as an effective ingredient. The core tablet composite preparation according to the present invention is characterized by exerting sufficient pharmacological activity of rabeprazole and mosapride even upon administration of one tablet once a day.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: February 13, 2024
    Inventors: Byung Jin Kim, Hee Yong Song, Youn Woong Choi, Seong Yeob Kim
  • Publication number: 20240047620
    Abstract: A conductive element may include: a first semiconductor layer adjacent to a first end portion of the conductive element; a second semiconductor layer adjacent to a second end portion of the conductive element; an active layer disposed between the first semiconductor layer and the second semiconductor layer, an element insulating layer covering the active layer and exposing the first end portion and the second end portion; and a conductive pattern layer disposed on the element insulating layer.
    Type: Application
    Filed: May 11, 2023
    Publication date: February 8, 2024
    Applicant: Samsung Display Co., LTD.
    Inventor: Ji Woong CHOI
  • Publication number: 20240039931
    Abstract: [SUMMARY] A method of detecting a sequence-based intrusion by using a Database CAN (DBC) file, the method being performed by a computing device including a processor according to some exemplary embodiments of the present disclosure, includes: obtaining a first Controller Area Network (CAN) message generated from a CAN; determining the first CAN message as a first category among a plurality of categories based on a pre-stored DBC file; obtaining first predictive data from the first CAN message by using a pre-trained first neural network model, the pre-trained first neural network model corresponding to the first category and including a first hidden layer; and comparing the first predictive data and first actual data obtained based on the first CAN message to determine whether the first CAN message has an anomaly.
    Type: Application
    Filed: July 19, 2023
    Publication date: February 1, 2024
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Huy Kang KIM, Hwejae LEE, Sangho LEE, Yeon Jae KANG, Daekwon PI, Jae Woong CHOI, Huiju LEE
  • Publication number: 20240027089
    Abstract: An apparatus and a method for predicting an amount of temperature change of a target zone are provided. The method includes collecting a plurality of base information, and calculating base relationship information between an indoor/outdoor temperature difference of the target zone and an amount of temperature change of the target zone on the basis of the plurality of base information. Each of the plurality of base information is information on the amount of temperature change of the target zone according to the indoor/outdoor temperature difference of the target zone during a late night time section, and the late night time section is set on the basis of at least one of activity schedule information, a sunrise time point, and a sunset time point of the target zone.
    Type: Application
    Filed: May 5, 2023
    Publication date: January 25, 2024
    Inventors: Hyun Woong CHOI, Won Jin HONG
  • Publication number: 20240016267
    Abstract: The present invention relates to a cold protection cover for a walking stick and, more particularly, to a cold protection cover for a walking stick, which is mounted on a walking stick to surround the handle of the walking stick and thereby allow an easy grip on the walking stick even in the bitter cold. The cold protection cover for a walking stick according to the present invention comprises: a body having an inner space in which the handle of a walking stick is accommodated; a top open portion provided at the top of the body; an grip insertion slit provided on one side of the body and forming an insertion port into which the walking stick is inserted; a bottom open portion which is provided at the bottom of the body and through which the body of the walking stick passes; a first opening/closing means for opening and closing the grip insertion slit; and a second opening/closing means for opening and closing the bottom open portion.
    Type: Application
    Filed: October 7, 2021
    Publication date: January 18, 2024
    Inventor: Sang Woong CHOI
  • Patent number: 11877373
    Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Woong Choi, Sang Min Park, Byoung Kuk Lee, Eun Soo Jang, Dong Myoung Joo, Hong-Joo Kang, Nam Ju Park, Chang Sun Yun, Hyun Kwan Lee
  • Patent number: 11876810
    Abstract: A method of detecting a malicious node in a bus network system includes pre-storing, by a receiving node, autocorrelation characteristics and node identifiers for each signal received from nodes excluding than the receiving node in a bus network system, receiving, by the receiving node, a target signal from any one of the nodes, generating, by the receiving node, an autocorrelation characteristic of the target signal, searching for an autocorrelation characteristic, which is identical to the autocorrelation characteristic of the target signal or similar to the autocorrelation characteristic of the target signal by a reference level or more, among the autocorrelation characteristics of each of the signals stored by the receiving node, determining, by the receiving node, whether a first node identifier matching the searched autocorrelation characteristic and a second node identifier extracted from a packet transmitted to the target signal are the same.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: January 16, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Ji Woong Choi, Woo Jin Jeong, Eun Min Choi
  • Publication number: 20240001408
    Abstract: An apparatus for manufacturing a semiconductor device, including: a wet treatment chamber; a nozzle provided in the wet treatment chamber and configured to spray a treatment material onto a substrate; a supercritical fluid treatment chamber configured to supply a supercritical fluid onto the substrate to treat the substrate; a transfer device comprising an arm configured to transfer the substrate between the wet treatment chamber and the supercritical fluid treatment chamber; and a controller configured to control the wet treatment chamber to spray the treatment material onto the arm
    Type: Application
    Filed: July 3, 2023
    Publication date: January 4, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae-Woong CHOI, Yong Myung JUN, Hyun-Chul KIM, Chang Seok SEO, Chan JEON, Woo Seok CHOE, In Sung HUH
  • Publication number: 20230397049
    Abstract: An operating method of a receiving device of a communication system may comprise: receiving an identical signal from an identical transmitting device; receiving interference signals from heterogeneous transmitting devices installed at sample installation points in a base station installation target area; and setting an acceptable interference level on the basis of received signal strength indicators (RSSIs) of the interference signals.
    Type: Application
    Filed: December 14, 2022
    Publication date: December 7, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Seok KIM, Young Jun CHONG, Sung Woong CHOI, Heon Jin HONG
  • Patent number: 11833204
    Abstract: Disclosed are visible light-activatable antitumor self-assembled nanoparticles or antitumor immunity-inducing self-assembled nanoparticles. The self-assembled nanoparticles induce potent apoptosis in cancer cells and increase their own anticancer immunogenicity, thereby maximizing their therapeutic efficacy for cancer.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: December 5, 2023
    Assignee: Korea Institute of Science and Technology
    Inventors: Kwangmeyung Kim, In-Cheol Sun, Man Kyu Shim, Ji Woong Choi
  • Publication number: 20230375502
    Abstract: Disclosed is a technology of extracting faradaic current-type Second-Derivative-based Background Removal (SDBR) data, from which a capacitive charge current is subtracted, through the second derivative after background subtraction of FSCV data and providing a neurotransmitter concentration measurement result based on the extracted SDBR data.
    Type: Application
    Filed: March 13, 2023
    Publication date: November 23, 2023
    Applicant: Daegu Gyeongbuk Institute of Science and Technology
    Inventors: Ji Woong CHOI, Seong Tak Kang, Yong Seok Oh, Jeong Rak Park, Yun Ho Jeong
  • Publication number: 20230371173
    Abstract: An antenna module includes a wiring structure including a plurality of insulating layers, a plurality of wiring layers, and a plurality of via layers; an antenna disposed on an upper surface of the wiring structure; a heat dissipation structure disposed around the antenna on the upper surface of the wiring structure; and an encapsulant disposed on the upper surface of the wiring structure and covering at least a portion of each of the antenna and the heat dissipation structure.
    Type: Application
    Filed: July 27, 2023
    Publication date: November 16, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Woong Choi, Jin Won Lee
  • Publication number: 20230333160
    Abstract: Disclosed is a fan-out buffer which includes a first channel that includes a first delay circuit adjusting a first delay time of a calibration test signal depending on a first delay control signal, a second channel that includes a second delay circuit adjusting a second delay time of the calibration test signal depending on a second delay control signal, a first edge-to-pulse converter that detects a first edge included in a first time domain reflectometry (TDR) waveform of an output terminal of the first channel and generates a first start pulse signal including a first pulse, a second edge-to-pulse converter that generates a second start pulse signal including a second pulse, a stop pulse signal generator that generates a stop pulse signal including a first stop pulse, and a first delay control signal generator that calculates a phase difference generates the first delay control signal.
    Type: Application
    Filed: December 6, 2022
    Publication date: October 19, 2023
    Applicants: Samsung Electronics Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: BYUNG-SUNG KIM, YUN-HYOK CHOI, GYUYEOL KIM, SUNGJUNG KIM, CHEOL-HEUI PARK, SANGHOON LEE, JAE-WOONG CHOI
  • Publication number: 20230325993
    Abstract: An X-ray imaging device includes an X-ray irradiation module, an X-ray detection module and an image processor. The image processor is configured to perform: acquiring a high-energy image and a low-energy image respectively obtained by X-ray of relatively high-energy and X-ray of relatively low-energy; generating high-energy frequency component images for each of a plurality of frequency bands by decomposing the high-energy image; generating low-energy frequency component images for each of a plurality of frequency bands by decomposing the low-energy image; generating merged frequency component images by merging at least a portion of the high-energy frequency component images for each of the plurality of frequency bands and at least a portion of the low-energy frequency component images for each of the plurality of frequency bands; and generating a standard image using the merged frequency component images.
    Type: Application
    Filed: September 1, 2022
    Publication date: October 12, 2023
    Applicant: DRTECH CORPORATION
    Inventors: IL WOONG CHOI, Choul Woo SHIN, Mi Jung JO, Won Taek SEO
  • Patent number: 11761137
    Abstract: A washing machine and a method for controlling the same are provided. The washing machine includes a first rotary tub, a first driver configured to rotate the first rotary tub, a second rotary tub, a second driver configured to rotate the second rotary tub, and at least one processor configured to control the first driver and the second driver in a manner that the first rotary tub and the second rotary tub rotate. If a rotation speed of the first rotary tub is equal to or higher than a first reference speed, the at least one processor controls the second driver such that a rotation speed of the second rotary tub increases to a target speed and then decreases.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: September 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jin Cho, Do-Yeon Kim, Suk Bae Kim, Ji Eun Jun, Woong Choi, Su Hwan Ji
  • Patent number: 11758655
    Abstract: A printed circuit board includes a first insulating layer, a second insulating layer disposed on a lower surface of the first insulating layer, an electronic component embedded in the second insulating layer and at least partially in contact with the first insulating layer, a first wiring layer disposed on an upper surface of the first insulating layer, a second wiring layer disposed on a lower surface of the second insulating layer, and a first wiring via penetrating through the first and second insulating layers and connecting at least portions of the first and second wiring layers to each other.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Eun Lee, Jae Woong Choi, Joo Hwan Jung, Yong Hoon Kim, Jin Won Lee
  • Patent number: 11758646
    Abstract: An antenna module includes a wiring structure including a plurality of insulating layers, a plurality of wiring layers, and a plurality of via layers; an antenna disposed on an upper surface of the wiring structure; a heat dissipation structure disposed around the antenna on the upper surface of the wiring structure; and an encapsulant disposed on the upper surface of the wiring structure and covering at least a portion of each of the antenna and the heat dissipation structure.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Woong Choi, Jin Won Lee
  • Publication number: 20230275199
    Abstract: A display device may include a wiring pad and a dummy pad disposed on a substrate and spaced apart from each other, a planarization layer disposed over the wiring pad and the dummy pad, a first insulating layer disposed on the planarization layer, the first insulating layer exposing a portion of the planarization layer, a first pad electrode and a second pad electrode disposed on the planarization layer and the first insulating layer, the first pad electrode electrically connected to the wiring pad and the second pad electrode electrically connected to the dummy pad, a second insulating layer disposed on the first pad electrode and the second pad electrode, conductive particles disposed on the first pad electrode and the second pad electrode, the conductive particles having a cylindrical shape, and an external device disposed on the conductive particles.
    Type: Application
    Filed: November 4, 2022
    Publication date: August 31, 2023
    Applicant: Samsung Display Co., LTD.
    Inventor: Ji Woong CHOI
  • Patent number: D1015049
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hwan-Woong Choi, Kyungseob Yang, Jaemin Lee, Deoksang Yun, Sangwoon Jeon