Patents by Inventor Dong Soo Choi
Dong Soo 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).
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Publication number: 20240121385Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.Type: ApplicationFiled: October 4, 2023Publication date: April 11, 2024Inventors: Hyun Suk KO, Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
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Patent number: 11955888Abstract: As inputs of a controller of a direct current (DC)-DC converter are sampled for a predetermined time and thus two-dimensional state information in which one axis is an input physical quantity and the other axis is a time is generated, the two-dimensional state information is processed by a convolutional neural network to determine and output one of a plurality of control signals. An artificial intelligence control part may operate in accordance with a plurality of operation conditions or dynamically determined operation conditions by applying different artificial intelligence engines according to operation modes.Type: GrantFiled: July 3, 2021Date of Patent: April 9, 2024Inventors: Kang Yoon Lee, Jong Wan Jo, Min Young Kim, Dong Soo Park, Kyung Duk Choi, Young Gun Pu
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Publication number: 20240113277Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.Type: ApplicationFiled: December 13, 2023Publication date: April 4, 2024Inventors: Sang Bok Kim, Ji Hoon Choi, Jik Soo Kim, Mi Jung Noh, Dong Il Jang, Dong Wook Ha
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Publication number: 20240109828Abstract: A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.Type: ApplicationFiled: August 12, 2021Publication date: April 4, 2024Inventors: Tae Woo Kim, Sung Kyu Lee, Byung Woo Choi, Hong Soo Joo, Dong Ha Lee
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Patent number: 11944958Abstract: Disclosed herein are a catalyst for hydrocracking reaction of high molecular weight components in bio-oil, a method for preparing the same and a method for bio-oil upgrading using the same. The catalyst includes a zeolite carrier; and at least one metal selected from the group consisting of nickel (Ni), ruthenium (Ru) and cerium (Ce) supported on the carrier. The catalyst promotes the hydrocracking of high molecular weight compounds contained in the bio-oil, but also inhibits the polymerization reaction of the decomposed product, thereby more effectively enhancing the hydrocracking reaction of the bio-oil.Type: GrantFiled: July 18, 2022Date of Patent: April 2, 2024Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chunjae Yoo, Jeong-Myeong Ha, Dong Jin Suh, Jae Wook Choi, Young Hyun Yoon, Kyeongsu Kim, Chang Soo Kim, Kwang Ho Kim, Thi Lien Do
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Publication number: 20240103699Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.Type: ApplicationFiled: November 6, 2023Publication date: March 28, 2024Inventors: Doo Suk KANG, Geon Soo KIM, Dong Hyun YEOM, Pil Joo YOON, Yong Joon JEON, Bo Kun CHOI
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Publication number: 20240107032Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee UniversityInventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
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Publication number: 20240098311Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITYInventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Yung Lyul LEE, Jun Woo CHOI
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Patent number: 11936853Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.Type: GrantFiled: January 9, 2023Date of Patent: March 19, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Ha Hyun Lee, Jin Ho Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
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Publication number: 20240082095Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.Type: ApplicationFiled: December 27, 2021Publication date: March 14, 2024Applicant: HEXARHUMANCAR CO., LTDInventors: Chang Soo HAN, Ho Jun KIM, Su Hyun PARK, Young Hoon JI, Jeong Ho CHO, Byung Gab RYU, Jeong Gyu PARK, Dong Eun CHOI
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Publication number: 20240078710Abstract: Disclosed herein are a method, an apparatus and a storage medium for encoding/decoding using a transform-based feature map. An optimal basis vector is extracted from one or more feature maps, and a transform coefficient is acquired through a transform using the basis vector. The basis vector and the transform coefficient may be transmitted through a bitstream. In an embodiment, one or more feature maps are reconstructed using the basis vector and the transform coefficient, which are decoded from the bitstream.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Youn-Hee KIM, Jooyoung LEE, Se-Yoon JEONG, Jin-Soo CHOI, Dong-Gyu SIM, Na-Seong KWON, Seung-Jin PARK, Min-Hun LEE, Han-Sol CHOI
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Publication number: 20240073416Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, Universily-lndustry Cooperation Group of Kyung Hee UniversityInventors: Sung Chang LIM, Ha Hyun LEE, Se Yoon JEONG, Hui Yong KIM, Suk Hee CHO, Jong Ho KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN, Dong Gyu SIM, Seoung Jun OH, Gwang Hoon PARK, Sea Nae PARK, Chan Woong JEON
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Patent number: 11439899Abstract: Disclosed is a controller capable of changing volume. The controller according to the present invention includes a housing; a volume changing unit installed outside the housing and having one end and the other end movable with respect to the housing, respectively; a driving unit for moving at least one of one end and the other end of the volume changing unit; and a control unit for controlling the driving unit. According to the present invention, it is possible to improve a user's feeling of use and to enhance satisfaction and fun by variously changing the volume, shape, etc. of a controller.Type: GrantFiled: November 25, 2020Date of Patent: September 13, 2022Assignee: KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY-UNIVERSITY COOPERATION FOUNDATIONInventors: Dong Soo Choi, Tae Hoon Kim, Sang Youn Kim
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Publication number: 20210402289Abstract: Disclosed is a controller capable of changing volume. The controller according to the present invention includes a housing; a volume changing unit installed outside the housing and having one end and the other end movable with respect to the housing, respectively; a driving unit for moving at least one of one end and the other end of the volume changing unit; and a control unit for controlling the driving unit. According to the present invention, it is possible to improve a user's feeling of use and to enhance satisfaction and fun by variously changing the volume, shape, etc. of a controller.Type: ApplicationFiled: November 25, 2020Publication date: December 30, 2021Applicant: KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY-UNIVERSITY COOPERATION FOUNDATIONInventors: Dong Soo CHOI, Tae Hoon KIM, Sang Youn KIM
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Patent number: 11188150Abstract: The present invention relates a haptic tool system, the system including: a computer device portion providing a content image including a target object for user testing or learning through a haptic feedback simulation function; and a haptic drill tool having an capacitive touch pen that makes contact with the target object and providing a haptic feedback simulating use of an actual drill to the user on the basis of load cell displacement information on a force applied according to the contact of the capacitive touch pen and physical property information on the target object. According to the haptic tool system, it is possible to provide the haptic feedback similar to a force and a motion sensation that the user feels when using an actual electric drill.Type: GrantFiled: November 9, 2018Date of Patent: November 30, 2021Assignee: KOREA UNIVERSITY OF TECHNOLOGY AND EDUCATION INDUSTRY-UNIVERSITY COOPERATION FOUNDATIONInventors: Sang-Youn Kim, Dong-soo Choi, Seung Young Yang, Sun-Young Shin, YeongSeok Do, SiHo Ryu, Sang Man Seong, In-Hee Song, Tae-Heon Yang
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Patent number: 9004972Abstract: Disclosed is an organic light-emitting display device in which the substrate and the encapsulation substrate are attached to each other by using a frit. The organic light-emitting display device includes a first substrate including a pixel region in which an organic light-emitting diode is formed, and a non-pixel region. The organic light-emitting diode includes an organic light-emitting layer between a first electrode and a second electrode. A second substrate attached to the first substrate. A frit is provided between the non-pixel region of the first substrate and the second substrate to attach the first substrate and the second substrate. A reinforcement material of resin is formed outside the frit.Type: GrantFiled: April 8, 2013Date of Patent: April 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Dong-Soo Choi, Dae Ho Lim, Jae Sun Lee, Jin Woo Park, Jong Woo Lee, Sang Wook Sin, Ung Soo Lee
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Patent number: 8729796Abstract: Provided is an organic light emitting display device (OLED) for preventing Newton's rings to improve image quality.Type: GrantFiled: September 29, 2006Date of Patent: May 20, 2014Assignee: Samsung Display Co., Ltd.Inventors: Dong-Soo Choi, Jin-Woo Park, Hee-Seong Jeong, Hyun-Sook Park
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Publication number: 20130237115Abstract: Disclosed is an organic light-emitting display device in which the substrate and the encapsulation substrate are attached to each other by using a frit. The organic light-emitting display device includes a first substrate including a pixel region in which an organic light-emitting diode is formed, and a non-pixel region. The organic light-emitting diode includes an organic light-emitting layer between a first electrode and a second electrode. A second substrate attached to the first substrate. A frit is provided between the non-pixel region of the first substrate and the second substrate to attach the first substrate and the second substrate. A reinforcement material of resin is formed outside the frit.Type: ApplicationFiled: April 8, 2013Publication date: September 12, 2013Inventors: Dong-Soo Choi, Dae Ho Lim, Jae Sun Lee, Jin Woo Park, Jong Woo Lee, Sang Wook Sin, Ung Soo Lee
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Patent number: 8415880Abstract: Disclosed is an organic light-emitting display device in which the substrate and the encapsulation substrate are attached to each other by using a frit. The organic light-emitting display device includes a first substrate including a pixel region in which an organic light-emitting diode is formed, and a non-pixel region. The organic light-emitting diode includes an organic light-emitting layer between a first electrode and a second electrode. A second substrate attached to the first substrate. A frit is provided between the non-pixel region of the first substrate and the second substrate to attach the first substrate and the second substrate. A reinforcement material of resin is formed outside the frit.Type: GrantFiled: September 29, 2006Date of Patent: April 9, 2013Assignee: Samsung Display Co., Ltd.Inventors: Dong Soo Choi, Dae Ho Lim, Jae Sun Lee, Jin Woo Park, Jong Woo Lee, Sang Wook Sin, Ung Soo Lee
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Patent number: 8299705Abstract: Disclosed is a manufacturing method of an organic light emitting display device, which allows a frit to be sufficiently fused by illuminating a laser beam such that a width of the laser beam may be above a width of the frit by adjusting power of the laser beam. The manufacturing method of an organic light emitting display device comprises the steps of: a) forming an organic light emitting element comprising a first electrode, an organic thin film and a second electrode on a pixel region of a first substrate divided into the pixel region and a non-pixel region; b) forming a flit along a surrounding of a second substrate corresponding to the non-pixel region; c) arranging the second substrate on an upper side of the first substrate to be superposed to a part of the pixel region and the non-pixel region; and d) attaching the first substrate and the second substrate by illuminating laser beam with a width above a width of the frit from a back surface of the second substrate.Type: GrantFiled: September 29, 2006Date of Patent: October 30, 2012Assignee: Samsung Display Co., Ltd.Inventor: Dong Soo Choi