Patents by Inventor Dong-Hyun Kang
Dong-Hyun Kang 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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Patent number: 11931884Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.Type: GrantFiled: March 25, 2022Date of Patent: March 19, 2024Assignees: GeoSystem Inc., Buildingpointkorea Inc.Inventors: Dong Hun Kang, Jong Hyun Oh, Ji Eun Kim, Chang Wook Joh, Young Hoon Koh
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Publication number: 20240073445Abstract: Disclosed is a method of decoding an image and a method of encoding an image. The method of decoding an image includes: obtaining motion-constrained tile set information; determining, on the basis of the motion-constrained tile set information, a first boundary region of a collocated tile set within a reference picture, which corresponds to a motion-constrained tile set; padding a second boundary region corresponding to the first boundary region; and performing inter prediction on the motion-constrained tile set by using a collocated tile set that includes the padded second boundary region.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Applicants: Electronics and Telecommunications Research Institute, CHIPS&MEDIA, INCInventors: Ha Hyun LEE, Jung Won KANG, Sung Chang LIM, Jin Ho LEE, Hui Yong KIM, Dae Yeon KIM, Dong Jin PARK
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Patent number: 11917148Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.Type: GrantFiled: February 8, 2022Date of Patent: February 27, 2024Assignees: Electronics And Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation FoundationInventors: Jin-Ho Lee, Jung-Won Kang, Hyunsuk Ko, Sung-Chang Lim, Dong-San Jun, Ha-Hyun Lee, Seung-Hyun Cho, Hui-Yong Kim, Hae-Chul Choi, Dae-Hyeok Gwon, Jae-Gon Kim, A-Ram Back
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Publication number: 20230271179Abstract: The present invention relates to a method for manufacturing a three-dimensional structure based on a block copolymer. The method comprises the steps of injecting a block copolymer (BCP) solution into each micro-well formed on the substrate and drying it to form a block copolymer layer, and applying a buffer to the block copolymer layer to hydrate the micro-well in three dimensions Forming the structure, after the three-dimensional structure is formed, injecting and curing a hydrogel solution around the three-dimensional structure may include the step of enhancing stability. In particular, the process of hydration by applying a buffer to the micro-well is performed while an electric field is applied. By controlling the concentration of the block copolymer (BCP) and the amplitude and frequency of the electric field, a three-dimensional artificial cell membrane having a desired size and shape, such as a spherical or ciliary shape and high stability (100% survival for 50 days) is manufactured can do.Type: ApplicationFiled: November 22, 2022Publication date: August 31, 2023Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Tae Song KIM, Dong Hyun KANG
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Publication number: 20230086770Abstract: The present disclosure relates to a method for determining a relative position between arrays of a flexible array device. The flexible array device according to an embodiment includes a plurality of arrays arranged at a predetermined interval in a deformable substrate, and the method includes measuring the first capacitance between adjacent arrays, measuring the second capacitance between the adjacent arrays after deformation of the substrate, and determining a relative position between the adjacent arrays based on the first capacitance measurement value and the second capacitance measurement value. According to an embodiment, the relative position between the arrays may be determined by measuring the capacitance between the adjacent arrays of the plurality of arrays arranged in the deformable substrate and measuring a change in capacitance caused by the deformation (contraction, relaxation, bending) of the substrate.Type: ApplicationFiled: February 1, 2021Publication date: March 23, 2023Inventors: Byung Chul LEE, Dong-Hyun KANG, Shinyong SHIM
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Patent number: 11502410Abstract: Provided is a method for matching antenna impedance in a wireless communication system. The method includes determining an approximate reflection coefficient based on an input signal and an output signal of a bidirectional coupler connected to a signal path of an antenna; determining an antenna impedance matching parameter corresponding to the determined approximate reflection coefficient by using a lookup table; and performing antenna impedance matching based on the antenna impedance matching parameter.Type: GrantFiled: January 22, 2021Date of Patent: November 15, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Young Kim, Dong-Hyun Kang, In-Tae Kang, Jong-Han Lim
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Publication number: 20220234301Abstract: A mesh type atomizer according to an embodiment includes a porous thin film having a multi-hole structure, a metal layer covering a remaining area except a nozzle area in which droplets are sprayed through the holes on a surface of the porous thin film, and an ultrasonic transducer to output ultrasonic waves to vibrate the porous thin film. According to an embodiment, it is possible to atomize a liquid into nanometer-level fine particles using the porous thin film including nanometer sized holes. It is possible to precisely adjust the sprayed droplet size by setting the shape, size and cycle of the nozzle in the manufacturing process, and it is possible to selectively increase the strength of the mesh by growing the metal material in the hole of the porous thin film through electroplating.Type: ApplicationFiled: August 26, 2021Publication date: July 28, 2022Inventors: Byung Chul LEE, Dong-Hyun KANG, Shinyong SHIM, Dong Jun KIM, Jin Soo PARK, Ki Joo PAHK, Hyejeong SEONG
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Publication number: 20220047245Abstract: A flexible ultrasound transducer according to an embodiment of the present disclosure includes a substrate having a central part and a plurality of extended parts extending from the central part; an ultrasound probe disposed at the central part of the substrate to acquire an ultrasound image of a region of interest; and a focused ultrasound output unit disposed at the extended parts of the substrate to output a focused ultrasound to the region of interest, wherein the focused ultrasound output unit disposed at the extended parts of the substrate has a flexible property and is deformable. According to the structure of an embodiment, it is possible to simultaneously achieve ultrasound imaging and ultrasonic therapy such as lesion stimulation or removal through focused ultrasound, and adjust the focal position of focused ultrasound or improve the focal sensitivity through flexible movement.Type: ApplicationFiled: May 21, 2021Publication date: February 17, 2022Inventors: Byung Chul LEE, Shinyong SHIM, Dong-Hyun KANG, Hae Youn KIM, Hyung Min KIM, Ki Joo PAHK, Maesoon IM
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Patent number: 11245769Abstract: The present invention pertains to an Internet of things platform which includes: a middleware that includes an apparatus management unit for receiving apparatus generated information from an Internet of things apparatus so as to establish a connection to the Internet of things apparatus, a service management unit for abstracting the Internet of things apparatus into a service apparatus and for controlling the Internet of things apparatus according to a service scenario, and a data management unit for generating and storing data regarding the apparatus management unit, the service management unit and the Internet of things apparatus; and a script editor that generates the service scenario for the service apparatus.Type: GrantFiled: January 5, 2018Date of Patent: February 8, 2022Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Soon Hoi Ha, Eun Jin Jeong, Hyun Jae Lee, Dong Hyun Kang, Jang Ryul Kim
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Publication number: 20210143549Abstract: Provided is a method for matching antenna impedance in a wireless communication system. The method includes determining an approximate reflection coefficient based on an input signal and an output signal of a bidirectional coupler connected to a signal path of an antenna; determining an antenna impedance matching parameter corresponding to the determined approximate reflection coefficient by using a lookup table; and performing antenna impedance matching based on the antenna impedance matching parameter.Type: ApplicationFiled: January 22, 2021Publication date: May 13, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Young KIM, Dong-Hyun Kang, In-Tae Kang, Jong-Han Lim
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Patent number: 10903570Abstract: Provided is a method for matching antenna impedance in a wireless communication system. The method includes determining an approximate reflection coefficient based on an input signal and an output signal of a bidirectional coupler connected to a signal path of an antenna; determining an antenna impedance matching parameter corresponding to the determined approximate reflection coefficient by using a lookup table; and performing antenna impedance matching based on the antenna impedance matching parameter.Type: GrantFiled: February 21, 2017Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Young Kim, Dong-Hyun Kang, In-Tae Kang, Jong-Han Lim
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Publication number: 20200389528Abstract: The present invention pertains to an Internet of things platform which includes: a middleware that includes an apparatus management unit for receiving apparatus generated information from an Internet of things apparatus so as to establish a connection to the Internet of things apparatus, a service management unit for abstracting the Internet of things apparatus into a service apparatus and for controlling the Internet of things apparatus according to a service scenario, and a data management unit for generating and storing data regarding the apparatus management unit, the service management unit and the Internet of things apparatus; and a script editor that generates the service scenario for the service apparatus.Type: ApplicationFiled: January 5, 2018Publication date: December 10, 2020Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Soon Hoi Ha, Eun Jin Jeong, Hyun Jae Lee, Dong Hyun Kang, Jang Ryul Kim
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Patent number: 10844503Abstract: A method for preparing a tightly sealed 3D lipid structure and a tightly sealed 3D lipid structure prepared thereby is disclosed. The method allows for simpler and more convenient preparation of an artificial biomembrane structure on a substrate using a lipid material, by using a plurality of transparent microwells formed on the substrate, and observation inside the microwells. In addition, a spherical 3D artificial single bilayer structure may be sealed very tightly through a simple method of changing the frequency of an electric field applied vertically to the microwells having a lipid layer formed. Through this, a biomimetic 3D structure having the structural and/or functional characteristics of a cell membrane constituting a cell can be provided more effectively.Type: GrantFiled: March 29, 2019Date of Patent: November 24, 2020Assignee: Korea Institute of Science and TechnologyInventors: Tae Song Kim, Dong-Hyun Kang
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Publication number: 20200298275Abstract: A method of fabricating a capacitive micromachined ultrasonic transducer (CMUT) according to one aspect of the present invention may include forming, on a semiconductor substrate, a first region implanted with impurity ions at a first average concentration and a second region implanted with no impurity ions or implanted with the impurity ions at a second average concentration lower than the first average concentration, forming an insulating layer by oxidizing the semiconductor substrate wherein the insulating layer includes a first oxide layer having a first thickness on at least a part of the first region and a second oxide layer having a second thickness smaller than the first thickness on at least a part of the second region, and forming a membrane layer on the insulating layer such that a gap is defined between the second oxide layer and the membrane layer.Type: ApplicationFiled: March 18, 2020Publication date: September 24, 2020Inventors: Byung Chul LEE, DONG-HYUN KANG, Jin soo PARK, Tae Song KIM
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Publication number: 20200087807Abstract: A method for preparing a tightly sealed 3D lipid structure and a tightly sealed 3D lipid structure prepared thereby is disclosed. The method allows for simpler and more convenient preparation of an artificial biomembrane structure on a substrate using a lipid material, by using a plurality of transparent microwells formed on the substrate, and observation inside the microwells. In addition, a spherical 3D artificial single bilayer structure may be sealed very tightly through a simple method of changing the frequency of an electric field applied vertically to the microwells having a lipid layer formed. Through this, a biomimetic 3D structure having the structural and/or functional characteristics of a cell membrane constituting a cell can be provided more effectively.Type: ApplicationFiled: March 29, 2019Publication date: March 19, 2020Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Tae Song KIM, Dong-Hyun KANG
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Patent number: 10552377Abstract: Provided are a data discard method for a file system and a memory management apparatus thereof. Specifically, the data discard method for a file system includes: unlinking an inode and a data block corresponding to a file stored in a storage from among inodes and data blocks in a file system when a kernel event of deleting the file occurs; updating state values for the unlinked inode and data block, respectively, to a bitmap block of the file system; checking bit values of all of inodes in an inode block including the updated inode from among inode blocks of the file system; and transmitting discard commands with respect to the inode block including the updated inode and the data block, respectively, to the storage if all of the inodes of the inode block are clean bits as a result of the check.Type: GrantFiled: May 26, 2017Date of Patent: February 4, 2020Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Young Ik Eom, Dong Hyun Kang
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Publication number: 20180026369Abstract: Provided is a method for matching antenna impedance in a wireless communication system. The method includes determining an approximate reflection coefficient based on an input signal and an output signal of a bidirectional coupler connected to a signal path of an antenna; determining an antenna impedance matching parameter corresponding to the determined approximate reflection coefficient by using a lookup table; and performing antenna impedance matching based on the antenna impedance matching parameter.Type: ApplicationFiled: February 21, 2017Publication date: January 25, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-Young KIM, Dong-Hyun KANG, In-Tae KANG, Jong-Han LIM
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Publication number: 20170344573Abstract: Provided are a data discard method for a file system and a memory management apparatus thereof. Specifically, the data discard method for a file system includes: unlinking an inode and a data block corresponding to a file stored in a storage from among inodes and data blocks in a file system when a kernel event of deleting the file occurs; updating state values for the unlinked inode and data block, respectively, to a bitmap block of the file system; checking bit values of all of inodes in an inode block including the updated inode from among inode blocks of the file system; and transmitting discard commands with respect to the inode block including the updated inode and the data block, respectively, to the storage if all of the inodes of the inode block are clean bits as a result of the check.Type: ApplicationFiled: May 26, 2017Publication date: November 30, 2017Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Young Ik EOM, Dong Hyun KANG
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Patent number: 9814368Abstract: The present disclosure provides an automatic doormat device for detecting and replenishing contaminated surface to keep contaminants from entering the house. An exemplary doormat device comprises a sticky sheet configured to adhesively pick up contaminants; a first roller configured to support windings of the sticky sheet; a second roller, spaced apart from the first roller, configured to wind the sticky sheet unwound from the first roller in rotation; a case configured to enclose the first roller and the second roller and support the sticky sheet on a portion exposed between the first roller and the second roller; and a drive motor configured to generate a driving force for rotating the second roller.Type: GrantFiled: May 15, 2014Date of Patent: November 14, 2017Inventor: Dong Hyun Kang
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Patent number: 9327432Abstract: A pouch for a rechargeable battery having stability by ensuring durability, a manufacturing method thereof, and a rechargeable battery including the same. The pouch includes a case having an opening and including a bottom surface portion, a side portion located along a periphery of the bottom surface portion and including at least one step portion, and a sealing portion located along a periphery of the side portion, and a cover configured to cover the opening of the case.Type: GrantFiled: December 7, 2010Date of Patent: May 3, 2016Assignee: Samsung SDI Co., Ltd.Inventors: Jun-Sik Kim, Dong-Hyun Kang, Chong-Hoon Lee, Yong-Kyun Park, Sung-Soo Kim