Patents by Inventor Ho-cheol Lee

Ho-cheol Lee 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).

  • Patent number: 11936318
    Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Ho Tae Chun
  • Patent number: 11922962
    Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: March 5, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
    Inventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
  • Publication number: 20190378556
    Abstract: A semiconductor memory device, a power decoupling capacitor array thereof, and a memory system including the same are disclosed. The semiconductor memory device includes a memory cell array, a peripheral circuit, and a plurality of power decoupling capacitor arrays. The memory cell array includes a plurality of memory cells, and each of the plurality of memory cells includes a cell capacitor. Each of the plurality of power decoupling capacitor arrays includes m×n power decoupling capacitor sub arrays in an m×n matrix form. Each of the m×n power decoupling capacitor sub arrays includes a plurality of power decoupling capacitors, and each of the plurality of power decoupling capacitors has the same structure as the cell capacitor and the plurality of power decoupling capacitors are connected in parallel.
    Type: Application
    Filed: November 13, 2018
    Publication date: December 12, 2019
    Inventors: Ju Won Lim, Ho Cheol LEE
  • Patent number: 10315577
    Abstract: The present invention relates to a side mirror for a vehicle, the side mirror being provided on a vehicle for facilitating the checking of road situations on the left, right, and rear sides. The side mirror for a vehicle comprises a mirror housing which is mounted on the exterior of the vehicle, and a mirror part which is supported by the mirror housing, and is divided into multiple mirror areas which are in aspherical form respectively across the horizontal direction from the internal side, which is close to the vehicle, to the external side, which is far from the vehicle. In the mirror part, the respective optical powers of the mirror areas gradually increase from the internal side to the external side so as to have the same optical power at the borders of the mirror areas, and the optical power rate for at least one of the mirror areas is constant.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: June 11, 2019
    Assignee: BULLSONE CO., LTD
    Inventors: Jin-Gu Kim, Sung-Koo Lee, Jin-Wook Baek, Gang Lee, Ho-Cheol Lee
  • Patent number: 9749200
    Abstract: Provided is a method for detecting an application in a wireless communication system. The method includes receiving and inspecting a packet; detecting flows from the packet using a predefined signature; granting a score to each of the detected flows, and summing the granted scores by integrating the detected flows for each application; comparing the summed score of the flows integrated for each application with a preset value; and determining that an application is detected, if the summed score is greater than the preset value.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: August 29, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jae-Young Seol, Sang-Ig Rho, Ho-Cheol Lee, Jae-Jin Kim, Jong-Hun Kim, Sung-Jun Do
  • Publication number: 20170072858
    Abstract: The present invention relates to a side mirror for a vehicle, the side mirror being provided on a vehicle for facilitating the checking of road situations on the left, right, and rear sides. The side mirror for a vehicle comprises a mirror housing which is mounted on the exterior of the vehicle, and a mirror part which is supported by the mirror housing, and is divided into multiple mirror areas which are in aspherical form respectively across the horizontal direction from the internal side, which is close to the vehicle, to the external side, which is far from the vehicle. In the mirror part, the respective optical powers of the mirror areas gradually increase from the internal side to the external side so as to have the same optical power at the borders of the mirror areas, and the optical power rate for at least one of the mirror areas is constant.
    Type: Application
    Filed: March 24, 2014
    Publication date: March 16, 2017
    Inventors: JIN-GU KIM, SUNG-KOO LEE, JIN-WOOK BAEK, GANG LEE, HO-CHEOL LEE
  • Publication number: 20150195155
    Abstract: Provided is a method for detecting an application in a wireless communication system. The method includes receiving and inspecting a packet; detecting flows from the packet using a predefined signature; granting a score to each of the detected flows, and summing the granted scores by integrating the detected flows for each application; comparing the summed score of the flows integrated for each application with a preset value; and determining that an application is detected, if the summed score is greater than the preset value.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 9, 2015
    Inventors: Jae-Young SEOL, Sang-Ig RHO, Ho-Cheol LEE, Jae-Jin KIM, Jong-Hun KIM, Sung-Jun DO
  • Patent number: 9070569
    Abstract: A semiconductor memory device includes a semiconductor die and an input-output bump pad part. The semiconductor die includes a plurality of memory cell arrays. The input-output bump pad part is formed in a central region of the semiconductor die. The input-output bump pad part provides a plurality of channels for connecting each of the memory cell arrays independently to an external device. The semiconductor memory device may adopt the multi-channel interface, thereby having high performance with relatively low power consumption.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: June 30, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Cheol Lee, Chi-Sung Oh, Jin-Kuk Kim
  • Patent number: 9029997
    Abstract: A stacked layer type semiconductor device includes N memories each including at least one main via and (N?1) sub vias, the N memories being sequentially stacked on one-another so that central axes of the N memories face each other crosswise, and a plurality of connection units electrically connecting the N memories. Here, N is a natural number greater than 1.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho Cheol Lee
  • Patent number: 8929118
    Abstract: A stacked semiconductor memory device is provided which includes a first memory chip including a first transmission line, a second transmission line, and a logic circuit configured to execute a logic operation on a first signal of the first transmission line and a second signal of the second transmission line. The stacked semiconductor memory device further includes a second memory chip stacked over the first memory chip, an inter-chip connection unit electrically coupled between the second memory chip and the first transmission line of the first memory chip, and a dummy inter-chip connection unit electrically coupled to the second transmission line of the first memory chip and electrically isolated from the second memory chip.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: January 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-Sung Oh, Jin-Ho Kim, Ho-Cheol Lee, Uk-Song Kang, Hoon Lee
  • Publication number: 20140346516
    Abstract: A semiconductor memory device includes a semiconductor die and an input-output bump pad part. The semiconductor die includes a plurality of memory cell arrays. The input-output bump pad part is formed in a central region of the semiconductor die. The input-output bump pad part provides a plurality of channels for connecting each of the memory cell arrays independently to an external device. The semiconductor memory device may adopt the multi-channel interface, thereby having high performance with relatively low power consumption.
    Type: Application
    Filed: August 4, 2014
    Publication date: November 27, 2014
    Inventors: Ho-Cheol LEE, Chi-Sung OH, Jin-Kuk KIM
  • Patent number: 8801279
    Abstract: A semiconductor device, memory device, system, and method of using a stacked structure for stably transmitting signals among a plurality of semiconductor layers is disclosed. The device includes at least a first semiconductor chip including a first temperature sensor circuit configured to output first temperature information related to the first semiconductor chip, and at least one through substrate via.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-sik Kim, Dong-hyuk Lee, Ho-cheol Lee, Jang-woo Ryu
  • Patent number: 8799730
    Abstract: Semiconductor devices configured to test connectivity of micro bumps including one or more micro bumps and a boundary scan test block for testing connectivity of the micro bumps by scanning data input to the micro bumps and outputting the scanned data. The semiconductor device may include a first chip including solder balls and at least one or more switches electrically coupled with the respective solder balls, and a second chip stacked on top of the first chip and electrically coupled with the switches in direct access mode, including micro bumps that input/output signals transmitted from/to the solder balls.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-sung Oh, Jung-sik Kim, Ho-cheol Lee, Jung-bae Lee
  • Patent number: 8796863
    Abstract: A semiconductor memory device includes a semiconductor die and an input-output bump pad part. The semiconductor die includes a plurality of memory cell arrays. The input-output bump pad part is formed in a central region of the semiconductor die. The input-output bump pad part provides a plurality of channels for connecting each of the memory cell arrays independently to an external device. The semiconductor memory device may adopt the multi-channel interface, thereby having high performance with relatively low power consumption.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: August 5, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Cheol Lee, Chi-Sung Oh, Jin-Kuk Kim
  • Patent number: 8710591
    Abstract: Provided are a semiconductor chip including a TSV passing through a transistor, and a stack module and a memory card using such a semiconductor chip. The semiconductor chip may include a semiconductor layer that has a first surface and a second surface opposite to each other. A conductive layer may be disposed on the first surface of the semiconductor layer. A TSV may pass through the semiconductor layer and the conductive layer. A side wall insulating layer may surround a side wall of the TSV in order to electrically insulate the semiconductor layer and the conductive layer from the TSV.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: April 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyong-ryol Hwang, Ho-cheol Lee, Byong-wook Na
  • Patent number: 8675440
    Abstract: A method of controlling a deep power down mode in a multi-port semiconductor memory having a plurality of ports connected to a plurality of processors includes controlling the deep power down mode in the multi-port semiconductor memory such that activation/deactivation of the deep power down mode are determined in accordance with signals applied through various ports in the plurality of ports.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Cheol Lee, Jung-Bae Lee
  • Patent number: 8625381
    Abstract: Provided is a stacked semiconductor device including n stacked chips. Each chip includes “j” corresponding upper and lower electrodes, wherein j is a minimal natural number greater than or equal to n/2, and an identification code generator including a single inverter connecting one of the j first upper electrode to a corresponding one of the j lower electrodes. The upper electrodes receive a previous identification code, rotate the previous identification code by a unit of 1 bit, and invert 1 bit of the rotated previous identification code to generate a current identification code. The current identification code is applied through the j lower electrodes and corresponding TSVs to communicate the current identification code to the upper adjacent chip.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho-Cheol Lee
  • Publication number: 20130294141
    Abstract: A memory device includes a memory cell array, a column decoder, and a row decoder. The row decoder includes a first word line driver and a second word line driver. The first word line driver is configured to electrically coupled to a first set of antifuse memory cells coupled to a first word line. The second word line driver is configured to electrically coupled to a second set of antifuse memory cells coupled to a second word line. The first set of antifuse memory cells are arranged in first and third rows of the memory cell array, and the second set of antifuse memory cells are arranged in second and fourth rows of the memory cell array. The second row is arranged between the first and third rows.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 7, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-Il Oh, Sung-Hoon Kim, Soo-Young Kim, Joung-Yeal Kim, Ho-Cheol Lee
  • Publication number: 20130294134
    Abstract: A stacked layer type semiconductor device includes N memories each including at least one main via and (N?1) sub vias, the N memories being sequentially stacked on one-another so that central axes of the N memories face each other crosswise, and a plurality of connection units electrically connecting the N memories. Here, N is a natural number greater than 1.
    Type: Application
    Filed: July 1, 2013
    Publication date: November 7, 2013
    Inventor: HO CHEOL LEE
  • Patent number: RE44699
    Abstract: A semiconductor integrated circuit device includes a semiconductor chip having a memory cell array region surrounded with a peripheral circuit region and includes a plurality of bonding pads disposed at least in one row on only one side of the semiconductor chip. The circuit device may include first leads group disposed adjacent to the bonding pad side and a second leads group disposed opposite the first leads group. The second leads group may be formed over a portion of the semiconductor chip (lead-on-chip structure). A plurality of bonding wires connect the first and second leads group with the plurality of bonding pads respectively.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: January 14, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Ho-Cheol Lee