Patents by Inventor Dae Ho Cho

Dae Ho Cho 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: 10893542
    Abstract: A random access method in a beam division multiple access (BDMA) system including: receiving, by a terminal, a reference signal of at least one beam sector transmitted from an access point (AP) device; estimating, by the terminal, whether the terminal is in a center area of the beam sector provided by the AP device or in the boundary area of the beam sector by using the strength of the reference signal; transmitting, by the terminal, a different preamble to the AP device in accordance with location information of whether the terminal is located in the center area or in the boundary area; and determining, by the AP device, a target beam sector for transmitting information about uplink resources to be used by the terminal, among a plurality of beam sectors on the basis of the received preamble.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: January 12, 2021
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Dong Ho Cho, Byung Chang Chung, Dae Hee Park, Joon Sang Han, Yun Sik Kim
  • Patent number: 10878919
    Abstract: A method for initializing a channel in a non-volatile memory device comprising a memory block including a plurality of word lines and a plurality of string selection lines, includes applying a voltage to the plurality of string selection lines; converting a bit line passing through the block into a floating state; and a releasing the floating state of the bit line.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo Ho Cho, Kyo Man Kang, Dae Seok Byeon, Jung Ho Song, Chi Weon Yoon
  • Publication number: 20200394514
    Abstract: Disclosed herein are a method and apparatus for compressing learning parameters for training of a deep-learning model and transmitting the compressed parameters in a distributed processing environment. Multiple electronic devices in the distributed processing system perform training of a neural network. By performing training, parameters are updated. The electronic device may share the updated parameter thereof with additional electronic devices. In order to efficiently share the parameter, the residual of the parameter is provided to the additional electronic devices. When the residual of the parameter is provided, the additional electronic devices update the parameter using the residual of the parameter.
    Type: Application
    Filed: December 13, 2018
    Publication date: December 17, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun CHO, Youn-Hee KIM, Jin-Wuk SEOK, Joo-Young LEE, Woong LIM, Jong-Ho KIM, Dae-Yeol LEE, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI, Je-Won KANG
  • Patent number: 10866650
    Abstract: Provided is a method and device for recognizing a pointing location by using a radar. A device according to an embodiment of the present disclosure comprises: a weight value space generation unit for generating a weight value space comprising a plurality of unit spaces in a space in front of the screen, and setting weight values in proportion to intensity of clutter-removed reception signals of the plurality of radars to the unit spaces; a hand area detection unit for adding up the set weight values for each of the unit spaces of the weight value space; an effective radar selection unit for selecting, as an effective radar, a radar having a shortest distance to the detected hand area among the plurality of radars; and a finger position determination unit for detecting a first location (first path) exceeding a predetermined threshold value.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: December 15, 2020
    Assignee: WRT LAB CO., LTD.
    Inventors: Sung Ho Cho, Dae Hyeon Yim
  • Publication number: 20200369126
    Abstract: A roof-storage-type sun visor includes a housing located inside a roof of a vehicle. The housing has a storage recess therein and a sun visor unit configured to be disposed along the storage recess. The sun visor unit includes a sun visor located so as to correspond to a windshield glass and includes multi-stage rails located at opposite sides of the sun visor. The sun visor is configured to be withdrawn outside the storage recess along the multi-stage rails.
    Type: Application
    Filed: November 18, 2019
    Publication date: November 26, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Yong San Co., Ltd.
    Inventors: Jin Ho Hwang, Dae Ig Jung, Seung Hyeok Chang, Min Ho Cho, Hyung Jin Kim, Sang Hoon Lee
  • Publication number: 20200369127
    Abstract: A withdrawal-type sun visor includes a housing received in a roof panel. The housing has a storage recess therein. The withdrawal-type sun visor also includes a sun visor assembly configured to be received in the housing and to be withdrawn along a windshield glass of a vehicle. The sun visor assembly includes a display unit having a display region and includes a discoloration unit configured to enclose at least a portion of the display unit. The transmissivity of the discoloration unit is adjustable.
    Type: Application
    Filed: November 25, 2019
    Publication date: November 26, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Yong San Co., Ltd.
    Inventors: Jin Ho Hwang, Dae Ig Jung, Seung Hyeok Chang, Min Ho Cho, Hyung Jin Kim, Sang Hoon Lee
  • Patent number: 10848758
    Abstract: An image encoding/decoding method and apparatus are provided. An image encoding method performed by an image encoding apparatus may comprise determining an intra-prediction mode of a current block, configuring a reference sample of intra prediction by using at least one of a neighbor pixel of the current block in a current picture and a pixel of a reference picture, and performing intra prediction for the current block based on the intra-prediction mode and the reference sample.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: November 24, 2020
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi, Gwang Hoon Park, Tae Hyun Kim, Dae Young Lee
  • Patent number: 10841577
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. A virtual frame is generated by a video generation network including a generation encoder and a generation decoder. The virtual frame is used as a reference frame in inter prediction for a target. Further, a video generation network for inter prediction may be selected from among multiple video generation networks, and inter prediction that uses the selected video generation network may be performed.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: November 17, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun Cho, Youn-Hee Kim, Jin-Wuk Seok, Joo-Young Lee, Woong Lim, Jong-Ho Kim, Dae-Yeol Lee, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi, Je-Won Kang, Na-Young Kim
  • Publication number: 20200351509
    Abstract: A method and apparatus for image compression using a latent variable are provided. The multiple components of the latent variable may be sorted in order of importance. Through sorting, when the feature information of only some of the multiple components is used, the quality of a reconstructed image may be improved. In order to generate a latent variable, the components of which are sorted in order of importance, learning may be performed in various manners. Also, less important information may be eliminated from the latent variable, and processing, such as quantization, may be applied to the latent variable. Through elimination and processing, the amount of data for the latent variable may be reduced.
    Type: Application
    Filed: October 30, 2018
    Publication date: November 5, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Joo-Young LEE, Seung-Hyun CHO, Youn-Hee KIM, Jin-Wuk SEOK, Woong LIM, Jong-Ho KIM, Dae-Yeol LEE, Se-Yoon JEONG, Hui-Yong KIM, Jin-Soo CHOI
  • Patent number: 10827144
    Abstract: An image sensor chip includes an internal voltage generator for generating internal voltages using an external voltage received at a first terminal of the image sensor chip, a temperature sensor for generating a temperature voltage, a selection circuit for outputting one of the external voltage, the internal voltages, and the temperature voltage, a digital code generation circuit for generating a digital code using an output voltage of the selection circuit, and a second terminal for outputting the digital code from the image sensor chip.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Hyun Cho, Ji Yong Park, Dae Hwa Paik, Kyoung Min Koh, Min Ho Kwon, Seung Hyun Lim
  • Patent number: 10827303
    Abstract: The embodiments disclosed in the present specification relate to a method and an apparatus for providing proximity-based information. An electronic apparatus for providing proximity-based information according to various embodiments of the present invention comprises: a communication interface; a memory; and a processor electrically connected to the communication interface and the memory, wherein the processor may be set to obtain first context information from one or more programs running on the electronic apparatus, identify first location information corresponding to the first context information, transmit, to a server, first data including at least one of the first context information and the first location information, through the communication interface, receive, from the server, first event information on a point of interest corresponding to the transmitted first data, and store, in the memory, the received first event information on the point of interest. Other various embodiments are possible.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: November 3, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Ho Kang, Song-Yean Cho, Yeun-Woong Kyung, Chai-Man Lim
  • Patent number: 10827173
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In quantization and dequantization, multiple quantization methods and multiple dequantization methods may be used. The multiple quantization methods include a variable-rate step quantization method and a fixed-rate step quantization method. The variable-rate step quantization method may be a quantization method in which an increment in a quantization step depending on an increase in a value of a quantization parameter by 1 is not fixed. The fixed-rate step quantization method may be a quantization method in which the increment in the quantization step depending on the increase of the value of the quantization parameter by 1 is fixed.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 3, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Woong Lim, Seung-Hyun Cho, Joo-Young Lee, Youn-Hee Kim, Jin-Wuk Seok, Jong-Ho Kim, Dae-Yeol Lee, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi
  • Publication number: 20200327850
    Abstract: A pixel includes a light emitting device, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting device, in response to a voltage applied to a first node, a second transistor coupled between a data line and a second node corresponding to a first electrode of the first transistor, and including a gate electrode coupled to a first scan line, a third transistor coupled between the first node and a third node corresponding to a second electrode of the first transistor, and including a gate electrode coupled to the first scan line, and a fourth transistor coupled between the third transistor and the third node, and configured to maintain a turn-on state.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 15, 2020
    Inventors: Dae Youn Cho, Ji Ho Moon, Jong Woo Park, Young Tae Choi
  • Publication number: 20200324705
    Abstract: A luggage box apparatus for a vehicle is disclosed. The luggage box apparatus includes a main box received in a main box receiving space provided at a luggage side trim. The main box is withdrawable from the main box receiving space toward a luggage compartment, for use thereof. The main box is installed to perform linear sliding movement in a withdrawal direction and rotation with respect to the luggage side trim.
    Type: Application
    Filed: October 7, 2019
    Publication date: October 15, 2020
    Inventors: Dae Min Lee, Min Ho Cho, Seung Soo Ryu, Kwang Ok Jeon, Sung Hoon Choo, Sang Bok Lee, Ho Duck Lee
  • Publication number: 20200324706
    Abstract: A luggage box includes a main box installed to be accommodated in and be drawn from a luggage side trim. A hidden box is connected to the main box so that the hidden box is operated together with the main box. The hidden box is disposed in a row with the main box when the main box is accommodated in the luggage side trim, and is movable to a main box accommodation space to be externally exposed when the main box drawn from the luggage side trim rotates.
    Type: Application
    Filed: October 24, 2019
    Publication date: October 15, 2020
    Inventors: Min Ho Cho, Seung Hyeok Chang, Jang Hyun Cho, Dae Min Lee, Ji Sun Choi, Seok Heon Yoon, Dong Hee Hong, Youn Woo Park, Jung Whan Kim, Dong Hyun Kim
  • Publication number: 20200283477
    Abstract: The present invention relates to use of peptides as a therapeutic agent, wherein it has been confirmed that the peptides of the present invention significantly inhibit the activity of T cells and the differentiation of T helper 17 cells (Th17 cells), which are associated with autoimmune disease, and have remarkable effects of treating and improving arthritis in an animal model of arthritis. Therefore, the peptides may be used as an active ingredient in therapeutic agents for various autoimmune diseases such as bone disease, inflammatory disease or rheumatoid arthritis.
    Type: Application
    Filed: September 14, 2018
    Publication date: September 10, 2020
    Inventors: Dae Ho CHO, Kyung Eun KIM, Myun Soo KIM, Sun Young PARK, Hee Young JUNG
  • Publication number: 20200276260
    Abstract: The present invention relates to use of peptides as a therapeutic agent, wherein it has been confirmed that the peptides of the present invention significantly inhibit the activity of T cells and the differentiation of T helper 17 cells (Th17 cells), which are associated with autoimmune disease, reduce the secretion of inflammatory cytokine IL-6, and have remarkable effects of treating and improving arthritis in an animal model of arthritis. Therefore, the peptides may be used as an active ingredient in therapeutic agents for various autoimmune diseases such as bone disease, inflammatory disease or rheumatoid arthritis.
    Type: Application
    Filed: September 14, 2018
    Publication date: September 3, 2020
    Inventors: Dae Ho CHO, Kyung Eun KIM, Myun Soo KIM, Sun Young PARK, Hee Young JUNG
  • Patent number: 10756237
    Abstract: A light emitting diode including a first conductive type semiconductor layer, a mesa disposed on the first conductive type semiconductor layer, the mesa including an active layer and a second conductive type semiconductor layer, a reflective electrode disposed on the mesa and configured to be in ohmic-contact with the second conductive type semiconductor layer, a current spreading layer disposed on the mesa and the reflective electrode, the current spreading layer including a first portion configured to be in ohmic-contact with an upper surface of the first conductive type semiconductor layer, a first n-contact region spaced apart from a second n-contact region with the mesa disposed between the first and second n-contact regions, and an insulation layer including a first opening exposing the reflective electrode between the first and second n-contact regions. The first and second n-contact regions have a second opening that exposes the first conductive type semiconductor layer.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: August 25, 2020
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Patent number: 10741448
    Abstract: A method of fabricating a semiconductor package includes providing a substrate on a stage, the substrate including semiconductor dies and a modified layer along a partition lane and sequentially having an adhesive film and a base film on a surface thereof so that bottom surfaces of the adhesive film and the base film face the stage and top surfaces of the adhesive film and the base film face away from the stage and the bottom surface of the adhesive film faces the top surface of the base film; separating the semiconductor dies from each other by applying a force to the substrate in a lateral direction; applying a gas pressure to a top surface of each of the semiconductor dies; and irradiating ultraviolet rays toward the adhesive film after applying the gas pressure on the top surface of each of the semiconductor dies.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byong-gook Jeong, Byung-ho Kim, Youn-jo Mun, Jeong-cheol An, Sung-il Cho, Dae-sang Chun, Man-hee Han
  • Publication number: 20200247216
    Abstract: A vehicle headliner is equipped with an air vent system, which includes a vent base member having a surface which faces a roof panel and on which a roof duct is mounted. The vent base member has multiple vent holes so that a fluid is sprayed toward a vehicle interior. A breathable surface layer is mounted on a surface of the vent base member which is exposed to the vehicle interior. The vent base member may include a polyurethane foam, fiberglass mats, which are attached to both surfaces of the polyurethane foam by glue, respectively, and non-woven fabrics, which are attached through hot melt films to surfaces of the fiberglass mats, respectively, which are opposite to the surfaces attached to the polyurethane foam.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 6, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DAEHAN SOLUTION CO., LTD
    Inventors: Min Ho Cho, Jin Ho Hwang, Dae Ig Jung, Seung Hyeok Chang, Choong Ho Kwon, Soon Kyu Lee, Kang Hee Jo