Patents by Inventor Chan-Sik Park

Chan-Sik Park 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: 20240336170
    Abstract: A walk-in apparatus for a vehicle seat includes a walk-in bracket rotatably coupled to a crossbar of a cushion frame and operable to release a fixing member by contacting the fixing member of a seat rail; a compensator bracket operably connected to the walk-in bracket through a hinge, the compensator bracket also being connected to a walk-in cable; and a compensator spring configured to support the walk-in bracket and the compensator bracket, rotate at least one of the walk-in bracket and the compensator bracket, and operate in such a manner as to return the compensator bracket. Even when the walk-in cable is released due to a seatback rebound phenomenon during a walk-in operation, the walk-in bracket maintains a pressing state of the fixing member to maintain continuously an unlocking state of the seat rail, allowing the vehicle seat to move forward smoothly to enable a walk-in operation.
    Type: Application
    Filed: September 25, 2023
    Publication date: October 10, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc., DAS CO., LTD
    Inventors: Mu Young Kim, Jun Hwan Lee, Jun Young Heo, Ho Suk Jung, Hyeok Seung Lee, Keun Gwack, Sang Do Park, Chan Ho Jung, Jae Hun Jeong, Sang Soo Lee, Sai Youn Jung, Seon Ho Park, Jun Hyuk Park, Jae Yong Jang, Jun Sik Hwang, Joong Geol Gug, Woo Ryang Kim, Jai Wha Choi, Gil Hwan Ryu, So Yun Kim
  • Publication number: 20240332648
    Abstract: A master battery management system (BMS) used for a battery system in which a plurality of slave BMSs and the master BMS communicate wirelessly includes: a receiving unit configured to receive, from each slave BMS, data of the corresponding slave BMS and data transmission information of at least one other slave BMS except for the corresponding slave BMS among the plurality of slave BMS during one period in which each of the plurality of slave BMSs transmits data at least once; and a determination unit configured to determine a communication error or an abnormal slave BMS by using the data of the corresponding slave BMS and the at least one other slave BMS data received from each slave BMS during one period. The data transmission information of the at least one other slave BMS is information on a history that the other slave BMS transmits data.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yean Sik Choi, Chan Ha Park, Seong Yeol Yang
  • Publication number: 20240265919
    Abstract: An electronic device and a voice recognition method thereof are provided. A voice recognition method of an electronic device includes receiving trigger voice, storing a characteristic of the trigger voice for voice verification by analyzing the trigger voice. When a user issues a voice command, determining whether the user voice command comprises the characteristic belonging to the trigger voice, and performing function of the electronic device corresponding to the user voice command based on the determination. Accordingly, users may easily use the voice recognition function of the electronic device.
    Type: Application
    Filed: April 12, 2024
    Publication date: August 8, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam-yeong KWON, Hee-seob RYU, Kyung-mi PARK, Chan-sik BOK, Chan-hee CHOI
  • Publication number: 20240265974
    Abstract: A memory device includes: a memory cell array including a plurality of memory cells; a peripheral circuit including a plurality of page buffers respectively connected to the plurality of memory cells through a plurality of bit lines and a voltage generating circuit for selectively outputting a program voltage and a verify voltage; and a control circuit configured to control the peripheral circuit to perform a plurality of program loops each including a program voltage apply operation and a verify operation. Each of the plurality of page buffers may include: a first latch for storing a verify result according to the verify operation of an nth program loop among the plurality of program loops; and a second latch for storing a verify result according to the verify operation of an (n?1)th program loop among the plurality of program loops.
    Type: Application
    Filed: August 3, 2023
    Publication date: August 8, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Chan Sik PARK, Chan Hui JEONG
  • Publication number: 20240255794
    Abstract: A display device includes: a backlight unit, a camera hole penetrating the backlight unit, a camera in the camera hole, a liquid crystal panel on the backlight unit, the liquid crystal panel including a transparent portion on the camera hole, and at least one light-blocking member in the camera hole, the at least one light-blocking member being configured to reduce one or more of: light leakage from the camera hole and introduction of impurities into the camera hole.
    Type: Application
    Filed: March 20, 2024
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Ji-Cheol SON, Ji-Soon OH, Yeoun-Jei JUNG, Sung-Sik SON, Chan-Hyeok PARK
  • Patent number: 12040458
    Abstract: A master battery management system (BMS) used for a battery system in which a plurality of slave BMSs and the master BMS communicate wirelessly includes: a receiving unit configured to receive, from each slave BMS, data of the corresponding slave BMS and data transmission information of at least one other slave BMS except for the corresponding slave BMS among the plurality of slave BMS during one period in which each of the plurality of slave BMSs transmits data at least once; and a determination unit configured to determine a communication error or an abnormal slave BMS by using the data of the corresponding slave BMS and the at least one other slave BMS data received from each slave BMS during one period. The data transmission information of the at least one other slave BMS is information on a history that the other slave BMS transmits data.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: July 16, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Yean Sik Choi, Chan Ha Park, Seong Yeol Yang
  • Publication number: 20240233830
    Abstract: Provided herein may be a memory device for performing a program operation including program loops and a method of operating the same. The method of operating a memory device may include performing a first program loop of increasing threshold voltages of first memory cells selected by a first drain select line among a plurality of memory cells coupled to a word line, performing a second program loop of increasing threshold voltages of second memory cells selected by a second drain select line among the plurality of memory cells, and alternately repeating the first program loop and the second program loop such that respective threshold voltages of the first memory cells and the second memory cells are increased to respective threshold voltages corresponding to respective target program states.
    Type: Application
    Filed: July 4, 2023
    Publication date: July 11, 2024
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Sik PARK
  • Publication number: 20240177779
    Abstract: A memory device includes: a memory cell array including a plurality of memory cells; a peripheral circuit including a plurality of page buffers respectively connected to the plurality of memory cells; a sensing circuit connected to the plurality of page buffers respectively, the sensing circuit: performing a sensing operation on the page buffers in units of a plurality of chunks, each chunk including two or more page buffers, among the plurality of page buffers, and outputting a sensing result of each of the plurality of chunks; a verification result output circuit for outputting a final verification result of a target program state, among a plurality of program states to which the memory cells are to be programmed, based on the sensing results of the plurality of chunks; and a control logic for controlling the sensing circuit and the peripheral circuit, based on the final verification result.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 30, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Chan Sik PARK
  • Publication number: 20240161829
    Abstract: Provided herein is a memory device for performing a program operation, a method of operating the memory device, and a storage device having the memory device. The method of operating a memory device includes receiving a first data bit among a plurality of data bits to be stored in each of a plurality of memory cells from a memory controller, performing a program voltage apply operation on the plurality of memory cells based on the first data bit, and receiving a second data bit among the plurality of data bits from the memory controller while performing the program voltage apply operation.
    Type: Application
    Filed: March 31, 2023
    Publication date: May 16, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Gwi Han KO, Chan Sik PARK
  • Publication number: 20240153568
    Abstract: Provided herein is a memory device and a method of operating the memory device. The memory device includes memory cells coupled to a word line, a peripheral circuit configured to perform a program operation of increasing threshold voltages of the memory cells to threshold voltages corresponding to a target program state among a plurality of program states, and a program operation controller configured to determine whether to perform an erase state verify operation of identifying threshold voltages of erase cells having an erase state as the target program state among the memory cells.
    Type: Application
    Filed: March 28, 2023
    Publication date: May 9, 2024
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Chan Sik PARK
  • Publication number: 20230409214
    Abstract: A semiconductor device, and a method of operating the same, includes a memory cell array, a peripheral circuit, and control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit is configured to perform a program operation on memory cells selected from among the plurality of memory cells. The control logic is configured to control the program operation of the peripheral circuit. The control logic is configured to control the peripheral circuit to precharge bit lines respectively coupled to the selected memory cells to different voltage levels during a verify operation included in the program operation.
    Type: Application
    Filed: November 2, 2022
    Publication date: December 21, 2023
    Applicant: SK hynix Inc.
    Inventors: Hyung Jin CHOI, Chan Sik PARK
  • Patent number: 10777742
    Abstract: Methods, systems, and devices are disclosed for implementing semiconductor memory using variable resistance elements for storing data. In one aspect, an electronic device is provided to comprise a semiconductor memory unit including: a substrate; an interlayer dielectric layer disposed over the substrate; and a variable resistance element including a seed layer formed over the interlayer dielectric layer, a first magnetic layer formed over the seed layer, a tunnel barrier layer formed over the first magnetic layer, and a second magnetic layer formed over the tunnel barrier layer, wherein the seed layer includes a conductive material having a metallic property and an oxygen content of 1% to approximately 10%.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 15, 2020
    Assignee: SK hynix Inc.
    Inventors: Won-Joon Choi, Ki-Seon Park, Cha-Deok Dong, Bo-Mi Lee, Guk-Cheon Kim, Seung-Mo Noh, Min-Suk Lee, Chan-Sik Park, Jae-Heon Kim, Choi-Dong Kim, Jae-Hong Kim, Yang-Kon Kim, Jong-Koo Lim
  • Publication number: 20200098984
    Abstract: Methods, systems, and devices are disclosed for implementing semiconductor memory using variable resistance elements for storing data. In one aspect, an electronic device is provided to comprise a semiconductor memory unit including: a substrate; an interlayer dielectric layer disposed over the substrate; and a variable resistance element including a seed layer formed over the interlayer dielectric layer, a first magnetic layer formed over the seed layer, a tunnel barrier layer formed over the first magnetic layer, and a second magnetic layer formed over the tunnel barrier layer, wherein the seed layer includes a conductive material having a metallic property and an oxygen content of 1% to approximately 10%.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Won-Joon Choi, Ki-Seon Park, Cha-Deok Dong, Bo-Mi Lee, Guk-Cheon Kim, Seung-Mo Noh, Min-Suk Lee, Chan-Sik Park, Jae-Heon Kim, Choi-Dong Kim, Jae-Hong Kim, Yang-Kon Kim, Jong-Koo Lim
  • Patent number: 10567762
    Abstract: A method of performing embedded compression (EC) on image data includes receiving decoded image data; determining a block size of image data waiting for embedded compression from among the received image data; and comparing the determined block size of the image data waiting for embedded compression with an EC block size that is an embedded compression unit, the method further including: if the determined block size of the image data waiting for embedded compression is equal to or greater than the EC block size, embedding and compressing the received image data; and if the determined block size of the image data waiting for embedded compression is smaller than the EC block size, storing tag information of the received image data.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: February 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan-sik Park, Jae-moon Kim
  • Patent number: 10490741
    Abstract: Methods, systems, and devices are disclosed for implementing semiconductor memory using variable resistance elements for storing data. In one aspect, an electronic device is provided to comprise a semiconductor memory unit including: a substrate; an interlayer dielectric layer disposed over the substrate; and a variable resistance element including a seed layer formed over the interlayer dielectric layer, a first magnetic layer formed over the seed layer, a tunnel barrier layer formed over the first magnetic layer, and a second magnetic layer formed over the tunnel barrier layer, wherein the seed layer includes a conductive material having a metallic property and an oxygen content of 1% to approximately 10%.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: November 26, 2019
    Assignee: SK hynix Inc.
    Inventors: Won-Joon Choi, Ki-Seon Park, Cha-Deok Dong, Bo-Mi Lee, Guk-Cheon Kim, Seung-Mo Noh, Min-Suk Lee, Chan-Sik Park, Jae-Heon Kim, Choi-Dong Kim, Jae-Hong Kim, Yang-Kon Kim, Jong-Koo Lim
  • Patent number: 10469102
    Abstract: According to an embodiment of the present disclosure, an electronic device may comprise a memory and a processor configured to produce compressed data by compressing data including a first block and a second block stored in the memory, wherein the processor may be configured to include a first replacement data table corresponding to first sub-data in the compressed data, the first sub-data included in the first block, and the first replacement data table produced based on, at least, rankings of first frequencies for the first sub-data, and include information for reference to the first replacement data table, corresponding to the second block, when second sub-data included in the second block and rankings of second frequencies for the second sub-data meet a designated condition with respect to the first sub-data included in the first block and the rankings of the first frequencies. Other embodiments are also possible.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-Sik Park, Chan-Yul Park, Yong-Chul Kim
  • Patent number: 10313699
    Abstract: A video decoding method includes obtaining a motion vector of a current block belonging to a first picture from a bitstream, performed by a first decoding unit; determining whether a reference block indicated by the motion vector is decoded, performed by the first decoding unit; and decoding the current block, based on whether the reference block is decoded. The reference block is included in a second picture decoded by a second decoding unit. The first picture and the second picture are decoded in parallel.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung-ju Chun, Chan-sik Park, Ki-won Yoo, Jae-moon Kim
  • Patent number: 10305030
    Abstract: Electronic devices and systems having semiconductor memory are provided. In one implementation, for example, an electronic device may include a substrate; an under layer disposed over the substrate and including conductive hafnium silicate; a free layer disposed over the under layer and having a variable magnetization direction; a tunnel barrier layer disposed over the free layer; and a pinned layer disposed over the tunnel barrier layer and having a pinned magnetization direction, and wherein the free layer includes: a first ferromagnetic material; a second ferromagnetic material having a coercive force smaller than that of the first ferromagnetic material; and an amorphous spacer interposed between the first ferromagnetic material and the second ferromagnetic material.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: May 28, 2019
    Assignee: SK hynix Inc.
    Inventors: Won-Joon Choi, Ki-Seon Park, Cha-Deok Dong, Bo-Mi Lee, Guk-Cheon Kim, Seung-Mo Noh, Min-Suk Lee, Chan-Sik Park, Jae-Heon Kim, Choi-Dong Kim, Jae-Hong Kim, Yang-Kon Kim, Jong-Koo Lim, Jeong-Myeong Kim
  • Patent number: 10244247
    Abstract: Provided are a method and an apparatus for decoding an image by accessing a memory by a block group. The method comprises checking information regarding a size of one or more blocks included in a bitstream of an encoded image, determining whether to group one or more blocks for performing decoding, based on the information regarding the size of the one or more blocks, setting a block group including one or more blocks based on the information regarding the size of the one or more blocks, and accessing a memory by the block group to perform a parallel-pipeline decoding process by the block group.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: March 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan-sik Park, Myung-ho Kim, Sang-kwon Na, Ki-won Yoo, Chang-su Han
  • Publication number: 20180337690
    Abstract: According to an embodiment of the present disclosure, an electronic device may comprise a memory and a processor configured to produce compressed data by compressing data including a first block and a second block stored in the memory, wherein the processor may be configured to include a first replacement data table corresponding to first sub-data in the compressed data, the first sub-data included in the first block, and the first replacement data table produced based on, at least, rankings of first frequencies for the first sub-data, and include information for reference to the first replacement data table, corresponding to the second block, when second sub-data included in the second block and rankings of second frequencies for the second sub-data meet a designated condition with respect to the first sub-data included in the first block and the rankings of the first frequencies. Other embodiments are also possible.
    Type: Application
    Filed: May 15, 2018
    Publication date: November 22, 2018
    Inventors: Chan-Sik PARK, Chan-Yul PARK, Yong-Chul KIM