Patents by Inventor Seong-Cheol An
Seong-Cheol An 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: 20240135595Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.Type: ApplicationFiled: October 17, 2023Publication date: April 25, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
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Publication number: 20240119874Abstract: Disclosed are a source driver and a method of detecting crack of a display panel. A source driver may comprise a first circuit configured to apply first data to data lines connected to sub-pixels of a display panel to charge a first driving voltage; and a second circuit formed on the display panel that applies the first driving voltage to a detection line formed on the display panel to detect the presence of cracks in the display panel based on the illumination status of the sub-pixels, wherein the detection line includes a first detection node and a second detection node formed on one side of the display panel along its extension direction, wherein the first detection node is connected to data lines of the first and third sub-pixels, and wherein the second detection node is connected to data line of the second sub-pixel.Type: ApplicationFiled: October 4, 2023Publication date: April 11, 2024Applicant: LX SEMICON CO., LTD.Inventors: Byeon Cheol LEE, Seong Geon KIM, Won KIM, Tai Ming PIAO, Young Ho SHIN
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Patent number: 11953066Abstract: The present disclosure relates to a brake disc including a braking part having a circular plate shape having a hollow portion and a plurality of coupling portions protruding and extending from an inner diameter surface thereof, and a hat part disposed in the hollow portion and having a plurality of insertion portions protruding laterally, in which the plurality of coupling portions is respectively coupled to the plurality of insertion portions, and the coupling portion of the braking part and the insertion portion of the hat part are joined to only one of an outboard portion or an inboard portion of the braking part. According to the present disclosure, it is possible to reduce noise occurring at a position at which the hat part and the braking part are coupled to each other and improve cooling performance.Type: GrantFiled: April 1, 2022Date of Patent: April 9, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, SEOHAN INDUSTRY CO., LTD.Inventors: Yoon-Cheol Kim, Kyung-Rok Choi, Sang-Bum Koh, Seong-Kweon Joo, Ki-Jeong Kim, Jae-Seok Lee
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Patent number: 11951508Abstract: The present technology relates to an electrode slurry-discharging shim, and a coating die comprising same, the present technology allowing superbly even coating to be assured even when the electrode slurry coating is at a high load level. In one example, the present technology provides a coating shim for electrode slurry discharge according to the present invention having a step portion configured to be formed at an end of an electrode slurry discharge flow path and to increase a width of the discharge flow path, and the step portion is formed at opposite sides in a width direction of the electrode slurry discharge flow path.Type: GrantFiled: December 18, 2020Date of Patent: April 9, 2024Assignee: LG Energy Solution, Ltd.Inventors: Jong Hwan Choi, In Seong Kim, Min Cheol Choi
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Publication number: 20240102611Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: ApplicationFiled: December 6, 2023Publication date: March 28, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, DAE HUNG PRECISION IND'L CO., LTD.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Publication number: 20240078799Abstract: An exemplary embodiment provides an intruder detection method capable of accurately detecting an intruder and estimating an abnormal behavior of the intruder even when viewpoints of acquired images are different from each other. An intruder detection method is suitable for being performed by an intruder detection device for detecting an intruder based on images and includes: receiving input images acquired by multiple cameras; extracting feature maps associated with a plurality of viewpoints by applying the input images to a plurality of convolutional neural networks provided separately for the plurality of viewpoints of the images; and detecting the intruder based on the feature maps associated with the plurality of viewpoints.Type: ApplicationFiled: August 31, 2023Publication date: March 7, 2024Inventors: Young Il KIM, Seong Hee PARK, Geon Min YEO, Il Woo LEE, Wun Cheol JEONG, Tae Wook HEO
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Publication number: 20240068460Abstract: A variable displacement swash plate type compressor control method and a variable displacement swash plate type compressor controlled thereby may include a first determination step of determining whether liquid refrigerant exists within the variable displacement swash plate type compressor; a first operation step of applying power to the field coil assembly and of not applying current to the electronic control valve, when it is determined in the first determination step S1 that the liquid refrigerant exists; a second determination step of comparing an elapsed period of time of operating in the first operation step with a predetermined reference time; and a second operation step of maintaining the power applied in the first operation step to the field coil assembly and applying current to the electronic control valve when the elapsed period of time is greater than or equal to the reference time.Type: ApplicationFiled: July 13, 2022Publication date: February 29, 2024Inventors: Hyung In Choi, Seong Gyu Gong, Young Min Kim, Eun Gi Son, Joo Young Lee, Soo Cheol Jeong
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Patent number: 11892558Abstract: A method and an apparatus for estimating direction of arrival of radar reception signal using antenna array extrapolation. Obtained is a transformation matrix representing a relationship between phases of reception signals received through ith to (N?2+i)th antennas and a phase of a reception signal received through (N?1+i)th antenna in a ULA antenna unit including N actual antennas. A phase of a virtual reception signal received through a new (N+i)th virtual antenna is generated by multiplying values corresponding to phases of the reception signals received through (i+1)th to (N?1+i)th antennas by the transformation matrix. A magnitude of the virtual reception signal received through the (N+i)th virtual antenna is obtained by averaging magnitudes of the reception signals received through ith to (N?1+i)th antennas.Type: GrantFiled: May 9, 2018Date of Patent: February 6, 2024Assignee: Seoul National University R&DB FoundationInventors: Seong-Cheol Kim, Seong-Wook Lee, Heon-Kyo Sim
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Patent number: 11885288Abstract: A fuel pump module for a vehicle, which is formed in a low-floor type fuel pump module capable of being easily installed in a fuel tank with a reduced vertical height. The fuel pump module includes a head plate to be mounted in an opening of a fuel tank, a reservoir cup to which the head plate is pivotably coupled through a pair of connecting bars and which is to be installed in the fuel tank in a state of being coupled to the head plate, a fuel pump disposed in the reservoir cup in a state of being laid and to deliver fuel in the reservoir cup to an outside of the fuel tank, and a jet pump installed in the reservoir cup and to suction fuel outside the reservoir cup and discharge the fuel into the reservoir cup.Type: GrantFiled: August 9, 2022Date of Patent: January 30, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.Inventors: Sung Won Lee, Jung Su Park, Seong Cheol Cho, Duck Su Moon, Seung Hwan Lee
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Patent number: 11885464Abstract: A low profile flat bombe for Liquefied Petroleum Gas (LPG) storage and method for manufacturing the same, may include a flat bombe body including an upper plate having a plurality of first piercing holes and a pump installation hole formed therethrough, a lower plate having a plurality of second piercing holes formed therethrough at positions vertically coinciding with the plurality of first piercing holes, and side plates integrally connecting first and second side end portions of the upper and lower plates, end plates mounted at front and rear openings in the flat bombe body, and support pipes, wherein upper end portions of the support pipes are welded to internal circumferential portions of the plurality of first piercing holes and lower end portions thereof are welded to internal circumferential portions of the plurality of second piercing holes to maintain a vertical distance between the upper and lower plates.Type: GrantFiled: November 23, 2021Date of Patent: January 30, 2024Assignees: Hyundai Motor Company, Kia Corporation, DAE Hung Precision Ind'l Co., Ltd.Inventors: Seong Cheol Cho, Sung Won Lee, Ju Tae Song, Seung Hyun Yeo, Duk Hee Park
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Publication number: 20240019567Abstract: An operating method of a server for calculating a position of a measurement target includes receiving first measurement information including a result of measuring the measurement target by a first electronic device, receiving second measurement information including a result of measuring the measurement target by a second electronic device, and calculating the position of the measurement target based on the first measurement information and the second measurement information.Type: ApplicationFiled: July 7, 2023Publication date: January 18, 2024Applicants: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Seong-Hwan HYUN, Seong-Cheol KIM, Jihye KIM
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Patent number: 11859580Abstract: A device for supplying injection water capable of stably supplying the water to a water injection system of a vehicle. The device for supplying injection water includes a storage unit configured to store water, a management unit mounted on the storage unit and configured to detect a state of the water stored in the storage unit and manage the water, a transport unit connected to the storage unit through the management unit and configured to outwardly move the water, and an integrated controller configured to control operations of the management unit and the storage unit.Type: GrantFiled: June 28, 2022Date of Patent: January 2, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD.Inventors: Sung Won Lee, Seung Hoon Choi, Seong Cheol Cho, Yong Taek Hwang, Chan Yo Jeon
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Patent number: 11862824Abstract: Proposed are a fuel cell system and a method of controlling the fuel cell system. The fuel cell system includes: a hydrogen supply unit connected to a hydrogen inlet side of a fuel cell stack, with a supply valve and a sensor being provided in the hydrogen supply unit; a hydrogen discharge unit connected to a hydrogen outlet side of the fuel cell stack, with a water trap and a purge valve being provided in the hydrogen discharge unit; and a controller configured to calculate an amount of hydrogen discharged through the purge valve from an amount of hydrogen supplied to the fuel cell stack and an amount of hydrogen consumed therein, and to perform compensation control of the supply valve when the amount of the discharged hydrogen is at or above a reference value.Type: GrantFiled: August 24, 2021Date of Patent: January 2, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Jae Won Jung, Hak Yoon Kim, Jun Young Park, Seong Cheol Jeong
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Publication number: 20230406157Abstract: A startability improving system of a fuel cell vehicle is disclosed. The startability improving system includes a high-voltage battery and a fuel cell connected to a main bus stage of the vehicle, to provide driving energy, and a controller configured to determine whether there is a possibility that operating voltages of the high-voltage battery and the fuel cell overlap each other when the high-voltage battery and the fuel cell are connected to the main bus stage, in response to determination that there is a possibility that the operating voltages of the high-voltage battery and the fuel cell overlap each other, the controller configured to vary the operating voltage of the high-voltage battery or the fuel cell, and then to connect the high-voltage battery and the fuel cell to the main bus stage.Type: ApplicationFiled: November 4, 2022Publication date: December 21, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Jae Kwon JUNG, Seong Cheol JEONG
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Publication number: 20230405708Abstract: A grain-oriented electrical steel sheet according to an embodiment of the present invention includes: a groove on a line formed on one surface of an electrical steel sheet in a direction crossing a rolling direction; and a thermal shock portion on a line formed on one surface of the electrical steel sheet in the direction crossing the rolling direction, wherein a distance between the groove and the thermal shock portion is 1 mm or less.Type: ApplicationFiled: August 23, 2023Publication date: December 21, 2023Applicant: POSCO CO., LTDInventors: Se-Min PARK, Jae Soo KIM, Ki-Young MIN, Seong-Cheol HONG, Won-Gul LEE
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Publication number: 20230411652Abstract: A system and a method for estimating a hydrogen concentration of a fuel cell include the fuel cell, a discharge line connected to an outlet side of a fuel cell hydrogen electrode while connecting the fuel cell to an exterior of the fuel cell, for communication between the fuel cell and the exterior of the fuel cell, a discharge valve provided at the discharge line and configured to adjust the communication between the fuel cell and the exterior of the fuel cell, and a controller configured to cut off the discharge valve during operation of the fuel cell, to check occurrence of degradation of the fuel cell, and to correct a crossover coefficient value of the fuel cell in accordance with a level of the degradation in the fuel cell when the degradation of the fuel cell has occurred, estimating a hydrogen concentration in an interior of the fuel cell.Type: ApplicationFiled: November 23, 2022Publication date: December 21, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Jun Young PARK, Hee Mang LEE, Jae Won JUNG, Seong Cheol JEONG
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Publication number: 20230399489Abstract: Proposed is a heat stabilizer for polymer processing, the heat stabilizer being represented by Aw(PO4)x(HPO4)yXz·nH2O, having excellent thermal stability capable of preventing discoloration of a polymer when processing a polymer such as PVC, and being applicable to various polymers aside from PVC. In addition, the present disclosure provides an effective method of preparing a heat stabilizer preventing discoloration when processing a polymer by the following method: lowering the crystallinity of a metal phosphate by replacing with various metal cations, changing the type and content of anion, and using various dispersants serving as ligands; or reducing the particle size by adjusting the pH using a strong base and by performing a rapid synthesis process.Type: ApplicationFiled: October 13, 2021Publication date: December 14, 2023Inventors: Seong Cheol KIM, Periyasamy THIRUKUMARAN
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Patent number: 11806704Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.Type: GrantFiled: July 7, 2022Date of Patent: November 7, 2023Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Suk Jo, Chang Won Yoon, Hyuntae Sohn, Hyangsoo Jeong, Seong Cheol Jang, Yeong Cheon Kim, Jonghee Han, Suk Woo Nam
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Patent number: 11794570Abstract: A vehicle canister device includes a main canister including an inlet port through which evaporative gas is introduced from a fuel tank, an outlet port through which the evaporative gas introduced during operation of an engine is discharged to an intake side of the engine, and an internal space for filling activated carbon. The vehicle canister device also includes an auxiliary canister mounted in fluid-communication with the main canister and configured to allow external air to flow into the main canister through an atmosphere port provided on the main canister or the evaporative gas to flow therethrough upon stop of the engine. The auxiliary canister includes a plurality of activated carbon layers each filled with an activated carbon and a plurality of air layers disposed between the activated carbon layers.Type: GrantFiled: November 28, 2022Date of Patent: October 24, 2023Assignees: Hyundai Motor Company, Kia Corporation, Korea Fuel-Tech CorporationInventors: Seong Cheol Cho, Sung Won Lee, Tae Kyu Hwang, Hyung Jun Bae
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Patent number: 11771159Abstract: Disclosed are modularized garment manufacturing method and system for small quantity batch production of garments. Basic components constituting an ordered garment are generated by analyzing shape graphic data of the ordered garment. For each basic component, basic patterns are generated for each dimension of the ordered garment. The basic patterns are compared with reference garment patterns stored in a garment pattern database to determine a pattern category of each basic pattern. Based on the pattern category of the basic patterns and information on garment production lines currently in operation, subdivided work modules are determined for each basic pattern.Type: GrantFiled: February 13, 2019Date of Patent: October 3, 2023Assignees: Hojeon Limited, Seoul National University R&DB FoundationInventors: Young Chul Park, Sung Hoon Ahn, Eun Suk Suh, Sung Min Kim, Seong Cheol Kim, Woo Kyun Jung