Patents by Inventor Sun-Ki Cho

Sun-Ki Cho 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: 20240092374
    Abstract: A system of controlling a vehicle may include a sensor and a controller, in which the sensor may be configured to sense vehicle operation state information, and the controller may be configured to determine whether a vehicle is running on a dangerous road based on the sensed vehicle operation state information, determine whether there is a possibility that a vehicle driving state will cause a failure of a driving system based on the sensed vehicle operation state information in response to determining that the vehicle is running on the dangerous road, and decide that torque control of the vehicle.
    Type: Application
    Filed: December 8, 2022
    Publication date: March 21, 2024
    Inventors: Bao Wen You, Sun Woo Park, Young Joon Chang, Xiaobin Ma, Xuejiao Sun, Yuzhao Wei, Woon Ki Cho, Xiao Tong Yan
  • Publication number: 20240083384
    Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.
    Type: Application
    Filed: February 3, 2023
    Publication date: March 14, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
  • Publication number: 20230336166
    Abstract: An oscillating signal generating circuit drives an oscillating signal to a first logic level based on a first control signal, which is generated by delaying the oscillating signal through a clock delaying circuit, and drives the oscillating signal to a second logic level based on a second control signal, which is generated by delaying the oscillating signal by a fixed delay amount.
    Type: Application
    Filed: August 30, 2022
    Publication date: October 19, 2023
    Applicant: SK hynix Inc.
    Inventors: Sun Ki CHO, Yang Ho SUR, Ic Su OH
  • Publication number: 20230064147
    Abstract: A buffer circuit receives a first input signal and a second input signal to generate a first output signal and a second output signal. The buffer circuit includes a load circuit. The load circuit receives a gain adjustment signal. The load circuit increases a total gain of the buffer circuit when the gain adjustment signal is disabled and increases an AC gain of the buffer circuit when the gain adjustment signal is enabled.
    Type: Application
    Filed: December 15, 2021
    Publication date: March 2, 2023
    Applicant: SK hynix Inc.
    Inventor: Sun Ki CHO
  • Patent number: 11271553
    Abstract: A buffer circuit configured to receive first and second input signals through first and second input transistors coupled to a first power voltage node, output a first output signal through a first output node and a second output signal through a second output node based on the first and second input signals. A load circuit is coupled among the first output node, the second output node, and a second power voltage node and a resistance value is adjusted based on at least one of the first and second output signals.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: March 8, 2022
    Assignee: SK hynix Inc.
    Inventors: Sun Ki Cho, Dong Uc Ko, Yang Ho Sur, Jun Yong Song, Sung Gil Jang, Hae Kang Jung, Min Sung Cheon, Chang Kyu Choi, Tae Jin Hwang
  • Publication number: 20220069813
    Abstract: A buffer circuit configured to receive first and second input signals through first and second input transistors coupled to a first power voltage node, output a first output signal through a first output node and a second output signal through a second output node based on the first and second input signals. A load circuit is coupled among the first output node, the second output node, and a second power voltage node and a resistance value is adjusted based on at least one of the first and second output signals.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 3, 2022
    Applicant: SK hynix Inc.
    Inventors: Sun Ki Cho, Dong Uc Ko, Yang Ho Sur, Jun Yong Song, Sung Gil Jang, Hae Kang Jung, Min Sung Cheon, Chang Kyu Choi, Tae Jin Hwang
  • Patent number: 10742182
    Abstract: A receiving circuit may include an amplifier. The amplifier may include a first amplification circuit and a second amplification circuit. The first amplification circuit may be configured to differentially amplify a first input signal and a reference signal and configured to generate output signals. The second amplification circuit may be configured to differentially amplify a second input signal and the reference signal and configured to generate the output signals.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 11, 2020
    Assignee: SK hynix Inc.
    Inventors: Sun Ki Cho, Dae Han Kwon
  • Publication number: 20190356289
    Abstract: A receiving circuit may include an amplifier. The amplifier may include a first amplification circuit and a second amplification circuit. The first amplification circuit may be configured to differentially amplify a first input signal and a reference signal and configured to generate output signals. The second amplification circuit may be configured to differentially amplify a second input signal and the reference signal and configured to generate the output signals.
    Type: Application
    Filed: December 4, 2018
    Publication date: November 21, 2019
    Applicant: SK hynix Inc.
    Inventors: Sun Ki CHO, Dae Han KWON
  • Patent number: 10305500
    Abstract: An amplification circuit is provided. The amplification circuit may include an amplification stage configured to amplify a first signal and a second signal, and generate third and fourth signals while in a first operation period. The amplification circuit may include a latch stage configured to latch the third and fourth signals while in a in a second operation period. The amplification circuit may supply a low voltage to the amplification stage during the first operation period, the low voltage to the latch stage during the second operation period, a high voltage to the amplification stage during the first operation period, and the high voltage to the latch stage during the second operation period.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: May 28, 2019
    Assignee: SK hynix Inc.
    Inventors: Hae Kang Jung, Sun Ki Cho, Yong Suk Choi
  • Patent number: 10074437
    Abstract: A semiconductor memory device includes a reference voltage generation block suitable for selecting and outputting one of a plurality of reference voltages in response to a voltage division enable signal, as an input reference voltage, in response to a selection enable signal; and a control signal generation block suitable for generating the voltage division enable signal and the selection enable signal in response to a reference voltage information.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 11, 2018
    Assignee: SK Hynix Inc.
    Inventors: Jee-Yeon Keh, Jeong-Hun Lee, Sun-Ki Cho
  • Publication number: 20180137924
    Abstract: A semiconductor memory device includes a reference voltage generation block suitable for selecting and outputting one of a plurality of reference voltages in response to a voltage division enable signal, as an input reference voltage, in response to a selection enable signal; and a control signal generation block suitable for generating the voltage division enable signal and the selection enable signal in response to a reference voltage information.
    Type: Application
    Filed: June 16, 2017
    Publication date: May 17, 2018
    Inventors: Jee-Yeon KEH, Jeong-Hun LEE, Sun-Ki CHO
  • Patent number: 9865318
    Abstract: A transmission circuit may be provided. The transmission circuit may include a strobe control circuit and an output driver. The strobe control circuit may generate strobe driving signals based on information and a clock signal. The output driver may generate a strobe signal by driving a signal transmission line. The transmission circuit may drive the signal transmission line to a specified level for a predetermined time after transmission of the strobe signal is completed.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: January 9, 2018
    Assignee: SK hynix Inc.
    Inventors: Kyung Hoon Kim, Sun Ki Cho
  • Patent number: 9859892
    Abstract: A semiconductor apparatus may include a transmission circuit, a reception circuit, and a pad commonly coupled to the transmission circuit and the reception circuit. When either the transmission circuit or the reception circuit is activated, parasitic capacitance of a line coupled to the transmission circuit, the reception circuit, and the pad is varied.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: January 2, 2018
    Assignee: SK hynix Inc.
    Inventor: Sun Ki Cho
  • Publication number: 20170345474
    Abstract: A transmission circuit may be provided. The transmission circuit may include a strobe control circuit and an output driver. The strobe control circuit may generate strobe driving signals based on information and a clock signal. The output driver may generate a strobe signal by driving a signal transmission line. The transmission circuit may drive the signal transmission line to a specified level for a predetermined time after transmission of the strobe signal is completed.
    Type: Application
    Filed: October 6, 2016
    Publication date: November 30, 2017
    Inventors: Kyung Hoon KIM, Sun Ki CHO
  • Patent number: 9773530
    Abstract: A semiconductor device may be provided. The semiconductor device may be configured to adjust a level of a first strobe signal to a predetermined level during a first time period. The semiconductor device may be configured to adjust a swing width of the first strobe signal during a second time period.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: September 26, 2017
    Assignee: SK hynix Inc.
    Inventor: Sun Ki Cho
  • Publication number: 20170033780
    Abstract: A semiconductor device may include a comparator and a pad. The comparator may compare a voltage level of a reference node with a voltage level of a reference voltage to generate a code. The comparator may include an output driver modeling unit configured to adjust a current flowing to the reference node depending on a code value of the code to the reference node. The pad may be coupled to the reference node. A total impedance of the reference node, the output driver modeling unit, and components and signal lines coupled therebetween may correspond to a total impedance of the reference node, the pad, and components and signal lines coupled therebetween.
    Type: Application
    Filed: December 3, 2015
    Publication date: February 2, 2017
    Inventors: Sun Ki CHO, Jong Joo SHIM
  • Publication number: 20170019107
    Abstract: A semiconductor apparatus may include a transmission circuit, a reception circuit, and a pad commonly coupled to the transmission circuit and the reception circuit. When either the transmission circuit or the reception circuit is activated, parasitic capacitance of a line coupled to the transmission circuit, the reception circuit, and the pad is varied.
    Type: Application
    Filed: February 19, 2016
    Publication date: January 19, 2017
    Inventor: Sun Ki CHO
  • Patent number: 9276500
    Abstract: A reservoir capacitor includes a first capacitor group having two or more capacitors, which are serially coupled to each other between a first power voltage supply terminal and a second power voltage supply terminal, a second capacitor group having two or more capacitors, which are serially coupled to each other between a third power voltage supply terminal and a fourth power voltage supply terminal and a connection line suitable for electrically coupling a first coupling node between the capacitors of the first capacitor group to a second coupling node between the capacitors of the second capacitor group.
    Type: Grant
    Filed: December 15, 2013
    Date of Patent: March 1, 2016
    Assignee: SK Hynix Inc.
    Inventors: Boo-Ho Jung, Sung-Woo Han, Ic-Su Oh, Jun-Ho Lee, Hyun-Seok Kim, Sun-Ki Cho, Tae-Hoon Kim, Ki-Chul Hong
  • Patent number: 9124252
    Abstract: Provided is a semiconductor apparatus which includes a plurality of output buffers configured to connect a plurality of power sources, and a data noise measuring unit configured to fix an output data of a selected output buffer among the plurality of output buffers to have a specific level, measure a noise of the output data using a capacitance and control a slew rate of the plurality of output buffers based on the noise.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: September 1, 2015
    Assignee: SK Hynix Inc.
    Inventors: Sung Woo Han, Ic Su Oh, Jun Ho Lee, Boo Ho Jung, Sun Ki Cho, Yang Hee Kim, Tae Hoon Kim
  • Publication number: 20150109041
    Abstract: Provided is a semiconductor apparatus which includes a plurality of output buffers configured to connect a plurality of power sources, and a data noise measuring unit configured to fix an output data of a selected output buffer among the plurality of output buffers to have a specific level, measure a noise of the output data using a capacitance and control a slew rate of the plurality of output buffers based on the noise.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Inventors: Sung Woo HAN, Ic Su OH, Jun Ho LEE, Boo Ho JUNG, Sun Ki CHO, Yang Hee KIM, Tae Hoon KIM