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).

  • Circadian rhythm management apparatus and system
    Patent number: 11305091
    Abstract: Disclosed are an apparatus and a system for managing circadian rhythm. The apparatus includes an illuminance measuring portion which measures a bio illuminance value of external light using a circadian lambda filter which passes the external light along according to a circadian rhythm sensitivity curve and a visual lambda filter which passes the external light along according to a visual sensitivity curve, a controller which outputs a control signal for reinforcing a user's circadian rhythm on the basis of the bio illuminance value, and a circadian rhythm reinforcing portion which emits light of a circadian wavelength band toward the user according to the control signal.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: April 19, 2022
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Hyun Sun Mo, Young Rag Do, Dae Jeong Kim, Dae Hwan Kim, Sung Yeon Jang, In Hwan Jung, Dong Myung Kim, Seong Jin Choi, Sanggyu Yim, Hyung Min Kim, Sun Woong Choi, Gu Min Jeong, Seung Min Lee
  • Encoding method and apparatus using non-encoding region, block-based encoding region, and pixel-based encoding region
    Patent number: 11310514
    Abstract: Encoding an image using a non-encoding region of the image, a block-based encoding region of the image, and a pixel-based encoding region of the image.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-sung Cho, Chan-yul Kim, Jeong-hoon Park, Pil-kyu Park, Kwang-pyo Choi, Dai-woong Choi, Woong-il Choi
  • Apparatus and method for selecting path through beam search
    Patent number: 11246100
    Abstract: A method of selecting a path for transmitting a maximum power from a base station to a terminal includes simplifying a plurality of structures in an area by using OBBs, the area being an area in which beam search is to be performed; forming the plurality of simplified structures into a tree structure for ray tracing; performing the ray tracing by applying a ray tracing relation tree reduction (RRTR) algorithm for reducing an amount of computation of a GPU to the tree structure; and applying a linear regression (LR) algorithm for calculating the maximum power to be transmitted from the base station to the terminal based on a result of the ray tracing.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: February 8, 2022
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chung Sup Kim, Sung Woong Choi, Jong Soo Lim, Ju Yeon Hong, Young Jun Chong
  • IN-MEMORY COMPUTING DEVICE SUPPORTING ARITHMETIC OPERATIONS
    Publication number: 20220028445
    Abstract: An in-memory computing device includes a memory cell array and a column peripheral circuit including a plurality of column peripheral units connected to a plurality of pairs of bit lines connected to the memory cell array. Each of the column peripheral units includes a sense amplifying and writing unit sensing and amplifying bitwise data through one pair of bit lines among the pairs of bit lines and an arithmetic logic unit performing an arithmetic operation with a full adder Boolean equation based on the bitwise data and performing a write back operation on operation data obtained by the arithmetic operation via the sense amplifying and writing unit.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 27, 2022
    Applicant: Korea University Research and Business Foundation
    Inventors: Jongsun PARK, Kyeongho LEE, Woong CHOI
  • Printed circuit board
    Patent number: 11229119
    Abstract: A printed circuit board includes a core layer having a first through-portion, a coil structure disposed in the first through-portion and comprising a support member, a first coil pattern in a planar spiral form disposed on one surface of the support member, and a body comprising a magnetic substance, wherein the support member and the first coil pattern are accommodated in the body, a first build-up layer covering at least a portion the core layer and disposed in at least a portion of the first through-portion, a first wiring layer disposed on one surface of the first build-up layer, and a first via layer passing through at least a portion of the first build-up layer and connected to the first wiring layer. The first via layer comprises a first wiring via connecting at least a portion of the first wiring layer to the first coil pattern.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ki Jung Sung, Tae Seong Kim, Jae Woong Choi
  • ANTENNA MODULE
    Publication number: 20220013893
    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; and an encapsulant disposed on the upper surface of the wiring structure and covering at least a portion of the antenna. An uppermost wiring layer of the plurality of wiring layers is connected to the antenna through a connection via of an uppermost via layer of the plurality of via layers. The connection via penetrates at least a portion of the encapsulant.
    Type: Application
    Filed: March 22, 2021
    Publication date: January 13, 2022
    Inventors: Jae Woong CHOI, Jin Won LEE
  • RADIO FREQUENCY PACKAGE
    Publication number: 20220013882
    Abstract: A radio frequency package includes a first connection member having a first stack structure including at least one first insulating layer and at least one first wiring layer; a second connection member having a second stack structure including at least one second insulating layer and at least one second wiring layer; a core member including a core insulating layer and disposed between the first and second connection members; and a first chip antenna disposed to be surrounded by the core insulating layer. The first chip antenna includes a first dielectric layer disposed to be surrounded by the core insulating layer; a patch antenna pattern disposed on an upper surface of the first dielectric layer; and a feed via disposed to at least partially penetrate the first dielectric layer, providing a feed path of the patch antenna pattern and connected to the at least one first wiring layer.
    Type: Application
    Filed: December 2, 2020
    Publication date: January 13, 2022
    Inventors: Jae Woong Choi, Jin Won Lee, Hae Kyo Seo
  • ANTENNA MODULE
    Publication number: 20220013889
    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: March 11, 2021
    Publication date: January 13, 2022
    Inventors: Jae Woong Choi, Jin Won Lee
  • PRINTED CIRCUIT BOARD
    Publication number: 20210410285
    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: Application
    Filed: March 29, 2021
    Publication date: December 30, 2021
    Inventors: Seung Eun LEE, Jae Woong CHOI, Joo Hwan JUNG, Yong Hoon KIM, Jin Won LEE
  • COMPUTING IN-MEMORY DEVICE SUPPORTING ARITHMETIC OPERATIONS AND METHOD OF CONTROLLING THE SAME
    Publication number: 20210391001
    Abstract: A computing in-memory device includes a memory cell array supporting a bitwise operation through at least one pair of memory cells activated in response to at least one pair of word line signals and a peripheral circuit connected to the at least one pair of memory cells via one pair of bit lines and performing a discharging operation on at least one bit line of the one pair of bit lines based on a voltage level of the one pair of bit lines.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 16, 2021
    Applicant: Korea University Research and Business Foundation
    Inventors: Jongsun PARK, Kyeongho LEE, Woong CHOI
  • Detergent supply device and washing machine including same
    Patent number: 11186936
    Abstract: Disclosed is a washing machine having an improved structure so as to enable noise reduction. The disclosed washing machine comprises: a main body; a drum rotatably disposed inside the main body; and a detergent supply device provided in the main body and supplying detergent into the drum, wherein the detergent supply device includes: a housing; a detergent container containing the detergent and movably coupled to the housing; and a water supply frame having an inflow hole through which water supplied from the outside flows in, and a flow velocity mitigation part provided at the lower side of the inflow hole so as to mitigate the flow velocity of the water.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-hong Park, Do-yeon Kim, Jong-ha Park, Eung-ryeol Seo, Geon-ung Lee, Hong-yeol Lee, Woong Choi
  • Content addressable memory device with charge sharing based selective match line precharging scheme
    Patent number: 11107511
    Abstract: A CAM device includes a cell array including a plurality of CAM cells, a search line driving circuit connected to the cell array through a plurality of search lines, and a match line sensing circuit connected to the cell array through a plurality of match lines. Each of the CAM cells includes a first half CAM cell connected to a first match line and a second half CAM cell connected to a second match line different from the first match line. The first match line connected to the first half CAM cell is precharged in a first phase, and the second match line connected to the second half CAM cell is precharged in a second phase after the first phase. Thus, power consumption of the CAM device is reduced and delay is minimized.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: August 31, 2021
    Assignee: Korea University Research and Business Foundation
    Inventors: Jongsun Park, Woong Choi, Geon Ko
  • COOKING APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20210267024
    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: Application
    Filed: May 24, 2019
    Publication date: August 26, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    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
  • WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20210262141
    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: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Sung-Jin CHO, Do-Yeon KIM, Suk Bae KIM, Ji Eun JUN, Woong CHOI, Su Hwan JI
  • Printed circuit board
    Patent number: 11102886
    Abstract: A printed circuit board includes a core layer having a through portion, a magnetic member disposed in the through portion and comprising a magnetic layer, a first coil pattern attached to one surface of the magnetic layer via an adhesive, and a first build-up layer covering at least a portion of the core layer, at least a portion of the magnetic member, and at least a portion of the first coil pattern, and disposed in at least a portion of the through portion.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: August 24, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ki Jung Sung, Tae Seong Kim, Jae Woong Choi
  • CORE TABLET COMPOSITE PREPARATION COMPRISING MOSAPRIDE AND RABEPRAZOLE
    Publication number: 20210177765
    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: Application
    Filed: November 26, 2018
    Publication date: June 17, 2021
    Inventors: Byung Jin KIM, Hee Yong Song, Youn Woong CHOI, Seong Yeob KIM
  • METHOD FOR PREPARING LYOPHILIZED CYCLOPHOSPHAMIDE WITHOUT USING ORGANIC SOLVENT
    Publication number: 20210177764
    Abstract: The present invention relates to a method for preparing a lyophilized cyclophosphamide composition, wherein 99% or more of the finally prepared lyophilized cyclophosphamide composition is reconstituted within 15 seconds when water for pharmaceutical use is injected thereinto at a ratio of 50 mL per 1 g of anhydrous cyclophosphamide, comprising a step of dissolving D-mannitol or lactose, as a lyoprotectant, and cyclophosphamide in a water solvent in a selected reaction vessel; and a lyophilized cyclophosphamide composition for injection prepared thereof.
    Type: Application
    Filed: April 11, 2019
    Publication date: June 17, 2021
    Inventors: Won Ho Kang, Won Tae Jung, Jung Hoon Kang, Youn Woong Choi
  • Racing kart
    Patent number: D923514
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: June 29, 2021
    Assignee: MONOLITH INC.
    Inventors: Ji Woong Choi, Gyu Hyuk Jung, Na Young Kim
  • Microwave
    Patent number: D929179
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo Han Kim, Hyun Soo Kim, Hwan-Woong Choi
  • Oven
    Patent number: D929806
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 7, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Soo Kim, Yoon-Joo Kwon, Hwan-Woong Choi