Patents by Inventor Jun Hyuk Choi

Jun Hyuk 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).

  • Publication number: 20240120584
    Abstract: A secondary battery includes: a can having an accommodation space therein; an electrode assembly accommodated in the accommodation space in the can; and a cap assembly sealed with the can. The can has a beading part recessed into a side wall of the can at a region below where the cap assembly is accommodated, and the beading part has an acute angle with respect to the side wall of the can.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 11, 2024
    Inventors: Jun Ho YANG, Woo Hyuk CHOI, Tae Yoon LEE, Jun Hwan KWON, Joung Ku KIM, Hyun Suk PARK, Dong Sub LEE
  • Publication number: 20240104935
    Abstract: An apparatus for recognizing an object includes a camera that obtains a 2D image, a lidar that obtains a 3D image, and a processor. The processor generates a bird's-eye view (BEV) feature map by extracting features from a two-dimensional plane BEV generated based on 3D information. The processor also generates an image feature map by extracting features of a multi-channel 2D image in which the 3D information is added to the 2D image. The processor also generates a complex feature map by mixing the image feature map and the BEV feature map. The processor also recognizes the object by artificial intelligence learning the complex feature map.
    Type: Application
    Filed: April 5, 2023
    Publication date: March 28, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Jun Hyung Kim, Hee Chul Choi, Jong Hyuk Lim, Tae Koan Yoo
  • Patent number: 11639860
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body using a magnetic material. The device may include magnets coupled to a rotating body and configured to rotate together and having n pole pairs, wherein n is a natural number and (n+1) magnetic materials arranged adjacent to the magnets, spaced apart from each other by a predetermined interval, and configured to rotate together with the rotating body. The device may also include a first Hall sensor spaced apart from the magnets, installed to allow the magnetic materials to rotate in a space between the first Hall sensor and the magnets and configured to output a first signal based on the magnets when the magnetic materials approach the first Hall sensor. The device may further include a controller configured to measure an absolute position of the rotating body using the first signal.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 2, 2023
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jun Hyuk Choi, Joon Sung Park, Jin Hong Kim, Byong Jo Hyon, Yong Su Noh, Dong Myoung Joo
  • Publication number: 20230040783
    Abstract: The present disclosure relates to an apparatus and method for controlling an autonomous vehicle to allow an autonomous vehicle to safely pass through a road according to a driver's choice when the width of the road is narrow. The apparatus includes a sensor for acquiring information data of obstacles and vehicles in front of and on a side of a host vehicle, a signal processor for outputting data with respect to positions and media of obstacles and a determination signal representing presence or absence of a vehicle on a driving path, a controller for determining whether driving is possible by analyzing information acquired by the sensor and outputting a control signal corresponding to a selection signal of the driver, an interface for displaying an image processed by the signal processor, and an autonomous driving function unit for performing autonomous driving according to the control signal.
    Type: Application
    Filed: July 1, 2022
    Publication date: February 9, 2023
    Applicants: Hyundai Motor Company, KIA CORPORATION
    Inventors: Jun Hyuk Choi, Sung Woo Hong, Nam Young Oh, Tae Sung Kim, Hwan Soo Moon
  • Patent number: 11512980
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body. In one aspect, the device includes first row magnets coupled to a rotating body to rotate together and having n pole pairs, and second row magnets coupled to the rotating body to rotate together and having (n+1) pole pairs. The device also includes a first Hall sensor installed adjacent to the first row magnets and configured to detect a change in magnetism according to rotation of the first row magnets. The device further includes a second Hall sensor installed adjacent to the second row magnets and configured to detect a change in magnetism according to rotation of the second row magnets. The device further includes a controller configured to measure an absolute position of the rotating body using signals output from the first and second Hall sensors.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: November 29, 2022
    Assignee: Korea Electronics Technology Institute
    Inventors: Jun Hyuk Choi, Joon Sung Park, Jin Hong Kim, Byong Jo Hyon, Yong Su Noh, Dong Myoung Joo
  • Publication number: 20220018685
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body using a magnetic material. The device may include magnets coupled to a rotating body and configured to rotate together and having n pole pairs, wherein n is a natural number and (n+1) magnetic materials arranged adjacent to the magnets, spaced apart from each other by a predetermined interval, and configured to rotate together with the rotating body. The device may also include a first Hall sensor spaced apart from the magnets, installed to allow the magnetic materials to rotate in a space between the first Hall sensor and the magnets and configured to output a first signal based on the magnets when the magnetic materials approach the first Hall sensor. The device may further include a controller configured to measure an absolute position of the rotating body using the first signal.
    Type: Application
    Filed: December 29, 2020
    Publication date: January 20, 2022
    Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO
  • Publication number: 20220018684
    Abstract: This application relates to an absolute position detection device and detection method of a rotating body. In one aspect, the device includes first row magnets coupled to a rotating body to rotate together and having n pole pairs, and second row magnets coupled to the rotating body to rotate together and having (n+1) pole pairs. The device also includes a first Hall sensor installed adjacent to the first row magnets and configured to detect a change in magnetism according to rotation of the first row magnets. The device further includes a second Hall sensor installed adjacent to the second row magnets and configured to detect a change in magnetism according to rotation of the second row magnets. The device further includes a controller configured to measure an absolute position of the rotating body using signals output from the first and second Hall sensors.
    Type: Application
    Filed: December 29, 2020
    Publication date: January 20, 2022
    Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO
  • Publication number: 20220005139
    Abstract: The present disclosure relates to a diversified and connected freight allocation system and method, and more particularly, to a diversified and connected freight allocation system and method capable of reducing company's costs and improving resource utilization and efficiency. In an aspect of the present disclosure, a diversified and connected freight allocation system is provided. The system includes: a data input unit; a reference information database containing reference information; and a diversified and connected freight allocation calculation unit determining diversified and connected freight allocations based on the information received from the data input unit and the reference information database.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Inventors: Tae Hyun KIM, Jong In CHAE, Chang Yun CHUNG, Jun Hyuk CHOI, Seung Jin YOON, Jae Won KIM, Ok Kyung LIM, Wan Sik KIM, Eun Jeong YOO
  • Publication number: 20210256646
    Abstract: The present disclosure relates to a diversified and connected freight allocation system and method, and more particularly, to a diversified and connected freight allocation system and method capable of reducing company's costs and improving resource utilization and efficiency. In an aspect of the present disclosure, a diversified and connected freight allocation system is provided. The system includes: a data input unit; a reference information database containing reference information; and a diversified and connected freight allocation calculation unit determining diversified and connected freight allocations based on the information received from the data input unit and the reference information database.
    Type: Application
    Filed: December 30, 2020
    Publication date: August 19, 2021
    Inventors: Tae Hyun KIM, Jong In CHAE, Chang Yun CHUNG, Jun Hyuk CHOI, Seung Jin YOON, Jae Won KIM, Ok Kyung LIM, Wan Sik KIM, Eun Jeong YOO
  • Publication number: 20210037819
    Abstract: Disclosed is an herbicidal composition containing: a pyrimidinedione-based compound as an active ingredient; and an efficacy enhancer. The herbicidal composition can increase biological effect expression characteristics of the pyrimidinedione-based composition as a contact herbicide, improve fast-acting property on monocot weeds as well as broadleaf weeds through enhanced spreading ability and penetrating power, and effectively control, at a low dose, even resistant weeds showing resistance to other herbicides. Furthermore, the herbicidal composition retains thermodynamic stability to increase storage stability, and can exhibit uniform and excellent efficacy at the time of chemical treatment through the uniform dispersion of the active ingredient.
    Type: Application
    Filed: March 5, 2019
    Publication date: February 11, 2021
    Applicant: FARMHANNONG CO., LTD.
    Inventors: Jung Kook EOM, Jun Hyuk CHOI, Tae Hyun OH, Sung Hwan KIM, Yong Oh JANG, Tae Joon KIM
  • Patent number: 10790750
    Abstract: The present disclosure provides an isolated DC-DC converter and a driving method thereof. The isolated DC-DC converter includes: a switching unit connected to terminals of a power supply, comprising three pairs of switches connected in parallel, and configured to switch on and off the three pairs of switches; a transformer unit comprising a first through third transformers, each having a primary winding connected to the switching unit and a secondary winding that are wound in a predetermined turns ratio and transforming a voltage applied to the primary winding according to the turns ratio; a post-processing unit connected to the secondary winding of each of the first through third transformers and configured to rectify and filter a voltage induced in the secondary winding to generate and output an output voltage; and a control unit connected to the switching unit and configured to control switching operation of the switching unit by providing the switching unit with carriers and reference voltages.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 29, 2020
    Assignee: Korea Electronics Technology Institute
    Inventors: Jin-Hong Kim, Joon-Sung Park, Jun-Hyuk Choi, Byong-Jo Hyon, Yong-Su Noh
  • Publication number: 20190068060
    Abstract: The present disclosure provides an isolated DC-DC converter and a driving method thereof. The isolated DC-DC converter includes: a switching unit connected to terminals of a power supply, comprising three pairs of switches connected in parallel, and configured to switch on and off the three pairs of switches; a transformer unit comprising a first through third transformers, each having a primary winding connected to the switching unit and a secondary winding that are wound in a predetermined turns ratio and transforming a voltage applied to the primary winding according to the turns ratio; a post-processing unit connected to the secondary winding of each of the first through third transformers and configured to rectify and filter a voltage induced in the secondary winding to generate and output an output voltage; and a control unit connected to the switching unit and configured to control switching operation of the switching unit by providing the switching unit with carriers and reference voltages.
    Type: Application
    Filed: August 30, 2018
    Publication date: February 28, 2019
    Applicant: Korea Electronics Technology Institute
    Inventors: Jin-Hong KIM, Joon-Sung PARK, Jun-Hyuk CHOI, Byong-Jo HYON
  • Patent number: 10206399
    Abstract: The present invention relates to a herbicidal composition comprising, as active ingredients, a herbicidally active compound and an uracil compound or an agrochemically acceptable salt thereof. The herbicidal composition has excellent effects not only on selective control of monocotyledonous or dicotyledonous weeds in useful crop plants, but also on control of monocotyledonous or dicotyledonous weeds in semi-selective or non-selective areas.
    Type: Grant
    Filed: October 7, 2014
    Date of Patent: February 19, 2019
    Assignee: Dongbu Farm Hannong Co., Ltd.
    Inventors: Kyoung Sung Kim, In Young Choi, Mi Sook Hong, Tae Joon Kim, Jun Hyuk Choi, Gi Jun Moon, Kyoung Sung Kim
  • Patent number: 9829392
    Abstract: The present disclosure relates to an apparatus and method for estimating a temperature of a motor using a Hall sensor. The method includes detecting, at a digital Hall sensor, a position of a rotor included in a motor and outputting an on signal in an operating period and an off signal in a release period according to a relative position of the rotor, calculating, at a temperature determining module, a difference between duration of the operating period and duration of the release period according to an output waveform of the digital Hall sensor, and then determining, at the temperature determining module, a temperature of the motor with reference to a temperature corresponding to the duration difference. Accordingly, it is possible to estimate the internal temperature of a motor without installing a temperature sensor in the motor, to maintain a small size of the motor, and to reduce production costs.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: November 28, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Joon Sung Park, Se Hyun Rhyu, In Soung Jung, Jun Hyuk Choi, Bon Gwan Gu, Jin Hong Kim
  • Patent number: 9791601
    Abstract: In a method for fabricating an embedded pattern using a transfer-based imprinting, an adhesive layer is formed on a substrate. The adhesive layer has a photo curable resin. A stamp having a protruded pattern is prepared. A thin-film layer is formed on an outer surface of the protruded pattern of the stamp. The stamp having the thin-film layer contact with the adhesive layer is pressed to selectively transfer the thin-film layer of the protruded pattern to the adhesive layer. Ultraviolet rays (UV) are irradiated to cure the adhesive layer. The stamp is removed.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: October 17, 2017
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Jun-Hyuk Choi, Eung-Sug Lee, Ji-Hye Lee, Jun-ho Jeong, Joo-Yun Jung, Dae-Guen Choi, Cheol-Hyeon Kim
  • Patent number: 9692015
    Abstract: An organic light emitting device having a photonic crystal structure and a manufacturing method thereof are provided. The organic light emitting device comprises: a substrate through which light passes; a photonic crystal layer formed on the substrate and having a photonic crystal structure; an intermediate layer formed on the photonic crystal layer and having a large refractive index compared with the photonic crystal layer; a first electrode layer formed on the intermediate layer; a light emitting layer formed on the first electrode layer and emitting light according to current flow; and a second electrode layer formed on the light emitting layer.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: June 27, 2017
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Jong-Youp Shim, Jun-Ho Jeong, Ki-Don Kim, Dae-Geun Choi, Jun-Hyuk Choi, Eung-Sug Lee, So-Hee Jeon, Jae-R. Youn, Jang-Joo Kim
  • Patent number: 9657411
    Abstract: Disclosed is a single-crystal growth apparatus including a chamber, a crucible provided in the chamber and configured to accommodate a melt that is a raw material for single-crystal growth, a heater disposed between the crucible and a side wall of the chamber and heating the crucible, and a crucible screen disposed on an upper end of the crucible, and the crucible screen has a bending member reflecting a radiant heat generated from the melt in the crucible to inside wall of the crucible.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 23, 2017
    Assignee: LG Siltron Incorporated
    Inventors: Chang Youn Lee, Do Won Song, Jun Hyuk Choi, Jin Ho Son, Cheol Hwan Kim
  • Patent number: 9634492
    Abstract: Provided are a power generation method and system of a power generator that can allow an output power of the power generator to be constant and cope with a case in which the velocity of a power generation source changes very quickly at a low lost. The power generation method includes determining a reference total power intended to be generated by a plurality of power generators, calculating a current command value through the reference total power and an instantaneous velocity sensed by each of the plurality of power generators, and regulating an output current of the power generator using the calculated current command value such that a total power output by the plurality of power generators is approximate to the reference total power.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: April 25, 2017
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Joon Sung Park, Jin Hong Kim, Jun Hyuk Choi, In Soung Jung
  • Publication number: 20150354092
    Abstract: Disclosed is a single-crystal growth apparatus including a chamber, a crucible provided in the chamber and configured to accommodate a melt that is a raw material for single-crystal growth, a heater disposed between the crucible and a side wall of the chamber and heating the crucible, and a crucible screen disposed on an upper end of the crucible, and the crucible screen has a bending member reflecting a radiant heat generated from the melt in the crucible to inside wall of the crucible.
    Type: Application
    Filed: December 19, 2013
    Publication date: December 10, 2015
    Inventors: Chang Youn LEE, Do Won SONG, Jun Hyuk CHOI, Jin Ho SON, Cheol Hwan KIM
  • Publication number: 20150270715
    Abstract: Provided are a power generation method and system of a power generator that can allow an output power of the power generator to be constant and cope with a case in which the velocity of a power generation source changes very quickly at a low lost. The power generation method includes determining a reference total power intended to be generated by a plurality of power generators, calculating a current command value through the reference total power and an instantaneous velocity sensed by each of the plurality of power generators, and regulating an output current of the power generator using the calculated current command value such that a total power output by the plurality of power generators is approximate to the reference total power.
    Type: Application
    Filed: May 13, 2014
    Publication date: September 24, 2015
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Joon Sung Park, Jin Hong Kim, Jun Hyuk Choi, In Soung Jung