Patents by Inventor Dae Hyun CHOI
Dae Hyun 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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Patent number: 11975855Abstract: A propulsion module of an air mobility vehicle may include a door provided in the housing and opening or closing the opening portion of the housing by a sliding motion of the door; a propeller for providing propulsion to the air mobility vehicle; a link assembly having a first end portion connected to the housing and a second end portion connected to the propeller to pull the propeller into the internal space of the housing through the opening portion or pull the propeller outside the internal space through the opening portion; and a door opening and closing portion coupled to the door and configured for providing an opening and closing force to the door according to an inward-pulling motion or an outward-pulling motion of the propeller.Type: GrantFiled: August 20, 2021Date of Patent: May 7, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Chung Sik Yim, Yong Hyun Nam, Jae Young Choi, Sang Hyun Jung, Dae Hee Lee, Jae Seung Lee, Kyu Hoon Cho
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Patent number: 11978602Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.Type: GrantFiled: June 21, 2022Date of Patent: May 7, 2024Assignees: Hyundai Motor Company, Kia Corporation, NOVATECH CO., LTD, ALPS ELECTRIC KOREA CO., LTD.Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
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Publication number: 20240137511Abstract: 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: ApplicationFiled: January 4, 2024Publication date: April 25, 2024Applicants: 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: 20240109397Abstract: A method for controlling an electric heater of a vehicular heating, ventilation, and air conditioning (HVAC) system includes turning on the electric heater; determining whether an ambient air temperature of a vehicle is higher than or equal to a threshold ambient air temperature, and a battery temperature is lower than or equal to a threshold battery temperature; determining whether battery efficiency is lower than or equal to threshold efficiency when the ambient air temperature of the vehicle is higher than or equal to the threshold ambient air temperature, and the battery temperature is lower than or equal to the threshold battery temperature; and turning off the electric heater when the battery efficiency is lower than or equal to the threshold efficiency, wherein the electric heater is configured to receive electric energy from the battery.Type: ApplicationFiled: March 30, 2023Publication date: April 4, 2024Inventors: Dae Hyun Song, Chang Gi Ryu, Woo Jin Lee, Dong Ju Ko, Hyun Hun Choi, Chun Kyu Kwon, In Uk Ko
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Patent number: 11948493Abstract: A display device of the present disclosure comprises pixels arranged in a display, a data accumulator for accumulating first image data for an N-th frame output through the display, a data receiver for receiving second image data for an (N+1)th frame to be output through the display, and an afterimage controller for correcting a current value corresponding to a grayscale value of the second image data through a convolution operation between a filter, which is set based on the first image data, and the second image data.Type: GrantFiled: March 15, 2023Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jong Hwan Park, Dae Cheol Kim, Kook Hyun Choi
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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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Patent number: 11835230Abstract: Provided is a cyclonic plasma melting furnace. A melting furnace chamber body includes an inlet through which waste is input and an outlet through which air or gas is discharged. The outlet is provided in a direction opposite to the inlet. At least one plasma torch is provided on the melting furnace chamber body so as to be inclined at a predetermined angle with respect to a direction in which the air or the gas is discharged through the outlet.Type: GrantFiled: December 5, 2020Date of Patent: December 5, 2023Assignee: KOREA INSTITUTE OF FUSION ENERGYInventors: Yong Sup Choi, Dae Hyun Choi, In Je Kang, Ji Hun Kim, Sung Hoon Jee, Dong Hun Shin, Seong Bong Kim, Soon Mo Hwang, Chi Kyu Choi
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Patent number: 11653865Abstract: A device can be coupled to a foley catheter inserted into the bladder of a patient, where the foley catheter includes a urine passage through which urine can be drained from the bladder. The device includes a pressure sensor that is connected to a urine outlet of the urine passage and configured to measure a pressure value of the urine being drained through the urine outlet, a processor connected to the pressure sensor and configured to determine whether the foley catheter can be removed by comparing the pressure value and a predetermined threshold value, and a display unit connected to the processor and displaying whether the foley catheter can be removed according to the control of the processor.Type: GrantFiled: July 1, 2022Date of Patent: May 23, 2023Assignees: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Kwang Suk Lee, Hyung Min Park, Dae Hyun Choi
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Patent number: 11618403Abstract: A seat cushion airbag for a vehicle includes an airbag cushion that is formed with a center part installed in a center of or around a front part of a seat cushion of a vehicle and is located between legs of a passenger when being deployed. An extension part extends on both sides of the center part and is located above the legs of the passenger and an inflator is connected to the airbag cushion and provides an expansion force to the airbag cushion.Type: GrantFiled: September 1, 2021Date of Patent: April 4, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Kyu Kang, Sung Ung Ryu, Seoung Hyun Lee, Han Jo Jeong, Myeong Hwan Kim, Dae Hyun Choi
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Patent number: 11554861Abstract: The present invention relates to a downwash blocking apparatus of air mobility configured such that multi-stage guide shells configured for blocking downwash and guiding the downwash to a discharge portion of a vertiport are mounted to a rotor guide of a flying vehicle for air urban mobility to be movable upwards and downwards, whereby it is possible to prevent the downwash from affecting passengers at the time of boarding and deboarding, and therefore it is possible to solve passenger inconvenience at the time of boarding and deboarding.Type: GrantFiled: September 14, 2021Date of Patent: January 17, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Kyu Kang, Chae Uk Min, Seung Hee Yu, Dae Hyun Choi, Seoung Hyun Lee
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Publication number: 20220330865Abstract: A device can be coupled to a foley catheter inserted into the bladder of a patient, where the foley catheter includes a urine passage through which urine can be drained from the bladder. The device includes a pressure sensor that is connected to a urine outlet of the urine passage and configured to measure a pressure value of the urine being drained through the urine outlet, a processor connected to the pressure sensor and configured to determine whether the foley catheter can be removed by comparing the pressure value and a predetermined threshold value, and a display unit connected to the processor and displaying whether the foley catheter can be removed according to the control of the processor.Type: ApplicationFiled: July 1, 2022Publication date: October 20, 2022Applicants: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Kwang Suk LEE, Hyung Min PARK, Dae Hyun CHOI
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Publication number: 20220289132Abstract: A seat cushion airbag for a vehicle includes an airbag cushion that is formed with a center part installed in a center of or around a front part of a seat cushion of a vehicle and is located between legs of a passenger when being deployed. An extension part extends on both sides of the center part and is located above the legs of the passenger and an inflator is connected to the airbag cushion and provides an expansion force to the airbag cushion.Type: ApplicationFiled: September 1, 2021Publication date: September 15, 2022Inventors: Seung Kyu Kang, Sung Ung Ryu, Seoung Hyun Lee, Han Jo Jeong, Myeong Hwan Kim, Dae Hyun Choi
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Publication number: 20220153406Abstract: The present invention relates to a downwash blocking apparatus of air mobility configured such that multi-stage guide shells configured for blocking downwash and guiding the downwash to a discharge portion of a vertiport are mounted to a rotor guide of a flying vehicle for air urban mobility to be movable upwards and downwards, whereby it is possible to prevent the downwash from affecting passengers at the time of boarding and deboarding, and therefore it is possible to solve passenger inconvenience at the time of boarding and deboarding.Type: ApplicationFiled: September 14, 2021Publication date: May 19, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Seung Kyu Kang, Chae Uk Min, Seung Hee Yu, Dae Hyun Choi, Seoung Hyun Lee
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Patent number: 11325507Abstract: A tether anchorage device for a swivel seat of a vehicle is provided. The device is configured such that an anchor including a horizontal bar and a vertical bar is mounted on a rear surface of the swivel seat, and a tether belt for fixing a baby seat is anchored to the anchor while being bound in a vertical direction as well as a horizontal direction of the swivel seat, so that the baby seat may be securely fixed to the swivel seat regardless of a rotating position of the swivel seat.Type: GrantFiled: November 13, 2020Date of Patent: May 10, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Kyu Kang, Dae Hyun Choi, Myeong Hwan Kim
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Patent number: 11299116Abstract: A variable back beam and a method of allowing an inflator to vary the variable back beam in case of collision. The variable back beam includes a main beam connected to a front end module carrier, an inner beam inserted into each of both sides of the main beam, and an operation member operable to move the inner beam in a vehicle-width direction at the time of left front or right front collision of the vehicle. Since the back beam is extended in length at the time of collision, the impact area or shock absorption area of the back beam can be increased, the impact on the back beam, a crush box, and a collision object can be reduced, and particularly, it is possible to reduce the crush length of the left or right end of the back beam.Type: GrantFiled: April 7, 2020Date of Patent: April 12, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung-Kyu Kang, Dae-Hyun Choi, Sung-Ung Ryu
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Publication number: 20220065446Abstract: Provided is a cyclonic plasma melting furnace. A melting furnace chamber body includes an inlet through which waste is input and an outlet through which air or gas is discharged. The outlet is provided in a direction opposite to the inlet. At least one plasma torch is provided on the melting furnace chamber body so as to be inclined at a predetermined angle with respect to a direction in which the air or the gas is discharged through the outlet.Type: ApplicationFiled: December 5, 2020Publication date: March 3, 2022Applicant: KOREA INSTITUTE OF FUSION ENERGYInventors: Yong Sup Choi, Dae Hyun Choi, In Je Kang, Ji Hun Kim, Sung Hoon Jee, Dong Hun Shin, Seong Bong Kim, Soon Mo Hwang, Chi Kyu Choi
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Publication number: 20220024358Abstract: A tether anchorage device for a swivel seat of a vehicle is provided. The device is configured such that an anchor including a horizontal bar and a vertical bar is mounted on a rear surface of the swivel seat, and a tether belt for fixing a baby seat is anchored to the anchor while being bound in a vertical direction as well as a horizontal direction of the swivel seat, so that the baby seat may be securely fixed to the swivel seat regardless of a rotating position of the swivel seat.Type: ApplicationFiled: November 13, 2020Publication date: January 27, 2022Inventors: Seung Kyu Kang, Dae Hyun Choi, Myeong Hwan Kim
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Publication number: 20210070242Abstract: A variable back beam and a method of allowing an inflator to vary the variable back beam in case of collision. The variable back beam includes a main beam connected to a front end module carrier, an inner beam inserted into each of both sides of the main beam, and an operation member operable to move the inner beam in a vehicle-width direction at the time of left front or right front collision of the vehicle. Since the back beam is extended in length at the time of collision, the impact area or shock absorption area of the back beam can be increased, the impact on the back beam, a crush box, and a collision object can be reduced, and particularly, it is possible to reduce the crush length of the left or right end of the back beam.Type: ApplicationFiled: April 7, 2020Publication date: March 11, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung-Kyu KANG, Dae-Hyun CHOI, Sung-Ung RYU
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Patent number: 10407209Abstract: The present invention relates to a pallet apparatus for transportation of car glass, and particularly, to a pallet apparatus for transportation of car glass according to the present invention includes: a pallet on which a car glass is loaded; and legs including front legs which are spaced apart from each other, disposed at left and right front sides of the pallet, and installed to be foldable in a front-rear direction, and rear legs which are spaced apart from the front legs, installed to be foldable in the front-rear direction, and disposed at a rear side of the pallet so that the car glass is leaned on the rear legs, wherein a lateral width between the front legs is greater than that between the rear legs, when the front legs and the rear legs are folded, the front legs and the rear legs are located at mutual side portions thereof, and efficiency of car glass transportation is high and cost is decreased due to the above configuration.Type: GrantFiled: June 20, 2018Date of Patent: September 10, 2019Assignee: NPC Co., Ltd.Inventors: Dae Hyun Choi, Oh Seong Kim
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Patent number: 9932228Abstract: The present invention provides a hybrid reforming system for producing syngas through a reforming reaction between carbon dioxide plasma and a hydrocarbon material, the system comprising: a carbon dioxide feeder (110) which feeds carbon dioxide; a hydrocarbon material feeder (120) which feeds the hydrocarbon material; a plasma reformer (200) which respectively receives carbon dioxide and the hydrocarbon material from the carbon dioxide feeder (110) and the hydrocarbon material feeder (120), and produces primary syngas through a reforming reaction while producing the carbon dioxide plasma using electromagnetic waves; a wet carbon-refining device (130) which is arranged at a gas exhaust end of the plasma reformer (200) and filters and refines carbon contained in the primary syngas; and a catalyst dry-reformer (140) which is arranged at a gas exhaust end of the wet carbon-refining device (130) and produces secondary syngas by making the refined syngas undergo a catalyst dry-reforming reaction.Type: GrantFiled: October 30, 2015Date of Patent: April 3, 2018Assignee: KOREA BASIC SCIENCE INSTITUTEInventors: Yong Cheol Hong, Dae Hyun Choi, Se Min Chun