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: 20250150640Abstract: There is provide an image encoding method including transforming an image block into a first latent representation based on an invertible neural network, transforming the first latent representation into a second latent representation based on a non-invertible neural network, estimating a probability distribution of the first latent representation, and performing entropy encoding on the first latent representation based on the probability distribution by using an entropy encoder.Type: ApplicationFiled: June 14, 2024Publication date: May 8, 2025Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Eon KIM, Won Hee Lee, Jun Hyuk Kim, Jeong Won Kim, Young Hun Sung, Won Seop Song, Jung Yeop Yang, Do Kwan Oh, Sung Ho Jun, Woo Suk Choi, Jong Seong Choi
-
Publication number: 20250143178Abstract: The present disclosure relates to a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device including the same and a composition for an organic material layer. Each substituent of Chemical Formula 1 has the same definition as described in the description of the disclosure.Type: ApplicationFiled: October 9, 2024Publication date: May 1, 2025Applicant: LT MATERIALS CO., LTD.Inventors: Gi Back LEE, Jun Tae MO, Dong Jun KIM, Dae Hyuk CHOI
-
Publication number: 20250123638Abstract: A method of controlling an autonomous vehicle includes: under the control of a processor, receiving external information from an external source and updating the external information into navigation map information; predicting an avoidance area, which is an electromagnetic disturbance area, based on the updated navigation map information; determining whether the autonomous vehicle enters the predicted avoidance area while the autonomous vehicle drives on a road; and generating a warning signal related to an occurrence of an error in the autonomous vehicle based on a result of the determining.Type: ApplicationFiled: October 7, 2024Publication date: April 17, 2025Applicants: Hyundai Motor Company, Kia CorporationInventor: Jun Hyuk CHOI
-
Patent number: 12269496Abstract: A method of transferring vehicle communication content. The apparatus includes a surrounding-environment detection unit configured to detect a surrounding-environment information of a vehicle, a communication content transfer unit provided on at least one of a front side, a rear side, and a lateral side of the vehicle and configured to output sound or light; and a controller configured to recognize an object on the basis of the surrounding-environment information of the vehicle, to rotate the communication content transfer unit in a direction toward the object, depending on whether or not communication content needs to be transferred to the recognized object, and to output the communication content containing warning information or guide information through the communication content transfer unit.Type: GrantFiled: October 17, 2022Date of Patent: April 8, 2025Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Jun Hyuk Cha, Seung Woo Baek, Ban Suk Choi, Hyoung Jin Choi
-
Patent number: 12263785Abstract: A media module may include a module gear unit rotatably installed in a vehicle body; a reflection plate connected to the module gear unit; a light-emitting device disposed to face a reflection surface of the reflection plate; and a speaker disposed to face the reflection surface of the reflection plate, wherein light generated by the light-emitting device is incident toward the reflection plate, and a sound generated by the speaker is incident toward the reflection plate.Type: GrantFiled: July 26, 2023Date of Patent: April 1, 2025Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Ban Suk Choi, Hyoung Jin Choi, Jun Hyuk Cha
-
Publication number: 20250096365Abstract: A battery pack for a vehicle may include: a plurality of battery modules arranged on a plane; a lower case forming an accommodation space surrounding the lower and lateral portions of the plurality of battery modules; a pack cover coupled to the upper portion of the lower case so as to cover the upper portion of the accommodation space; a plurality of inner members provided in the accommodation space to separate the plurality of battery modules; and a heat blocker provided between the pack cover and the inner members so as to thermally isolate the battery modules separated by the inner members.Type: ApplicationFiled: March 19, 2024Publication date: March 20, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Hyun Chang Kang, Jeong Hun Seo, Ji Woong Jung, Yoon Hyuk Kang, Jun Ho Suh, Yong Hwan Choi, Jun Young Kang
-
Patent number: 12218078Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.Type: GrantFiled: April 5, 2022Date of Patent: February 4, 2025Assignee: SK hynix Inc.Inventors: Jun Hyuk Park, Kyung Min Park, Sung Gon Jin, Dong Won Choi
-
Publication number: 20250031513Abstract: Disclosed is an organic light emitting device which includes a heterocyclic compound of Chemical Formula 1 in a light emitting device and a compound of Chemical Formula 2 in a hole transport layer.Type: ApplicationFiled: May 17, 2024Publication date: January 23, 2025Applicant: LT MATERIALS CO., LTD.Inventors: Yu-Jin HEO, Jun-Tae MO, Hyo-Kyun HAM, Dong-Jun KIM, Dae-Hyuk CHOI
-
Publication number: 20240215201Abstract: Provided is a power conversion system including a heat sink, a first heat emitter provided on an upper surface of the heat sink, a second heat emitter electrically connected to the first heat emitter and provided on a lower surface of the heat sink, a third heat emitter provided on one side of the heat sink and spaced apart by a predetermined distance from the heat sink, and a heat dissipation fan provided in a direction facing the third heat emitter based on the heat sink and spaced apart by a predetermined interval from the third heat emitter, wherein, during a normal operation, more heat is emitted by the first heat emitter than by the second heat emitter.Type: ApplicationFiled: December 15, 2023Publication date: June 27, 2024Inventors: Byong Jo HYON, YONGSU NOH, Sang Min PARK, DONGMYOUNG JOO, Daeyeon HWANG, poo reum JANG, Hyoung-Kyu YANG, JUN HYUK CHOI, Jin Hong KIM, Joon Sung PARK
-
Publication number: 20240204770Abstract: The present disclosure relates to a power converter capable of improving stabilization while minimizing loss when switching a switch included in the power converter. The power converter includes a switch; a gate driver configured to drive the switch at a predetermined duty ratio and apply a positive voltage when the switch is turned on and a negative voltage when the switch is turned off; a negative power supply unit configured to supply the negative voltage to the gate driver and vary a magnitude of the negative voltage; a current sensor configured to sense a current flowing in the switch; and a control unit configured to control the negative power supply unit to adjust the magnitude of the negative voltage applied to the switch according to a value sensed by the current sensor.Type: ApplicationFiled: November 17, 2023Publication date: June 20, 2024Inventors: Jin Hong KIM, Joon Sung PARK, Byong Jo HYON, YONGSU NOH, DONGMYOUNG JOO, Sang Min PARK, Daeyeon HWANG, Hyoung-Kyu YANG, JUN HYUK CHOI
-
Publication number: 20240195293Abstract: A circuit for preventing power imbalance of a resonance-type power converter is proposed. The circuit may include a rectifier converting input alternating current (AC) into direct current (DC) and frequency-controlled first and second resonant converter modules configured to receive an output voltage of the rectifier divided into two stages. The circuit may further include a controller outputting a first frequency command for controlling a frequency of a pulse width modulation (PWM) signal supplied to a switching element of a first switching unit of the first resonant converter module. The circuit may further include a frequency compensator compensating for the first frequency command and then outputting a second frequency command for controlling a frequency of a PWM signal supplied to a switching element of a second switching unit of the second resonant converter module, so as to eliminate power imbalance between the first and second resonant converter modules.Type: ApplicationFiled: December 4, 2023Publication date: June 13, 2024Inventors: Dong Myoung JOO, Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Sang Min PARK, Dae Yeon HWANG, Hyoung Kyu YANG, Poo Reum JANG
-
Patent number: 11639860Abstract: 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: GrantFiled: December 29, 2020Date of Patent: May 2, 2023Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Jun Hyuk Choi, Joon Sung Park, Jin Hong Kim, Byong Jo Hyon, Yong Su Noh, Dong Myoung Joo
-
Publication number: 20230040783Abstract: 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: ApplicationFiled: July 1, 2022Publication date: February 9, 2023Applicants: Hyundai Motor Company, KIA CORPORATIONInventors: Jun Hyuk Choi, Sung Woo Hong, Nam Young Oh, Tae Sung Kim, Hwan Soo Moon
-
Patent number: 11512980Abstract: 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: GrantFiled: December 29, 2020Date of Patent: November 29, 2022Assignee: Korea Electronics Technology InstituteInventors: Jun Hyuk Choi, Joon Sung Park, Jin Hong Kim, Byong Jo Hyon, Yong Su Noh, Dong Myoung Joo
-
Publication number: 20220018685Abstract: 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: ApplicationFiled: December 29, 2020Publication date: January 20, 2022Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO
-
Publication number: 20220018684Abstract: 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: ApplicationFiled: December 29, 2020Publication date: January 20, 2022Inventors: Jun Hyuk CHOI, Joon Sung PARK, Jin Hong KIM, Byong Jo HYON, Yong Su NOH, Dong Myoung JOO
-
Publication number: 20220005139Abstract: 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: ApplicationFiled: September 22, 2021Publication date: January 6, 2022Inventors: 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: 20210256646Abstract: 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: ApplicationFiled: December 30, 2020Publication date: August 19, 2021Inventors: 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: 20210037819Abstract: 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: ApplicationFiled: March 5, 2019Publication date: February 11, 2021Applicant: FARMHANNONG CO., LTD.Inventors: Jung Kook EOM, Jun Hyuk CHOI, Tae Hyun OH, Sung Hwan KIM, Yong Oh JANG, Tae Joon KIM
-
Patent number: RE50306Abstract: A memory device comprises: a first memory cell, and a second memory cell different from the first memory cell, wherein the first memory cell and the second memory cell are included in same memory block; a first word line connected to the first memory cell; a second word line, different from the first word line, connected to the second memory cell; an address decoder which applies one of an erase voltage and an inhibit voltage different from the erase voltage to each of the first and second word lines; and a control logic which controls an erasing operation on the memory block, using the address decoder, wherein while the erasing operation on the memory block is executed, the inhibit voltage is applied to the first word line after the erase voltage is applied, and the erase voltage is applied to the second word line after the inhibit voltage is applied. The present disclosure provides a memory device for detecting a word line bridge defect through erase verification of the memory device.Type: GrantFiled: February 7, 2022Date of Patent: February 18, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Sang Wan Nam, Yong Hyuk Choi, Jun Yong Park, Jung No Im