Patents by Inventor Hyun Chul Cho

Hyun Chul 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: 20240128502
    Abstract: An embodiment solid electrolyte includes a first compound and a second compound. The first compound is represented by a first chemical formula Li7-aPS6-a(X11-bX2b)a, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, and wherein 0<a?2 and 0<b<1, and the second compound is represented by a second chemical formula Li7-cP1-2dMdS6-c-3d(X11-eX2e)c, wherein X1 and X2 are the same or different and each represents F, Cl, Br, or I, wherein M represents Ge, Si, Sn, or any combination thereof, and wherein 0<c?2, 0<d<0.5, and 0<e<1.
    Type: Application
    Filed: August 14, 2023
    Publication date: April 18, 2024
    Inventors: Sa Heum Kim, Yong Jun Jang, Yong Gu Kim, Sung Man Cho, Sun Ho Choi, Seong Hyeon Choi, Kyu Sung Park, Young Gyoon Ryu, Suk Gi Hong, Pil Sang Yun, Myeong Ju Ha, Hyun Beom Kim, Hwi Chul Yang
  • Publication number: 20230024668
    Abstract: A memory device including a plurality of memory cells, a peripheral circuit, and control logic. The peripheral circuit is configured to generate a plurality of operating voltages used in a memory operation, based on a target pump clock, and perform the memory operation by using the plurality of operating voltages. The control logic is configured to select the target pump clock among a plurality of pump clocks, based on a number of data bits which selected memory cells on which the memory operation is to be performed among the plurality of memory cells store, and control the peripheral circuit to perform the memory operation on the selected memory cells.
    Type: Application
    Filed: December 14, 2021
    Publication date: January 26, 2023
    Applicant: SK hynix Inc.
    Inventors: Won Jae CHOI, Min Su KIM, Hyun Chul CHO
  • Patent number: 11309038
    Abstract: A memory device may include: a memory cell array including a plurality of planes; and a voltage generation circuit including a master pump component and at least one or more sub-pump components that respectively correspond to the planes. During an interleaved operation, the master pump component may generate a first output voltage in response to a first pump clock, and the sub-pump components may generate second output voltages in response to second pump clocks. The master pump component and the sub-pump components may respectively provide the first output voltage and the second output voltages to the corresponding planes. During a non-interleaved operation, the master pump component and the sub-pump components may generate the first output voltage in response to the first pump clock and provide the first output voltage to a selected plane of the plurality of planes.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: April 19, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Cho
  • Patent number: 11227664
    Abstract: Provided herein is a memory device and a method of operating the same. The memory device may include a memory block, a voltage generation circuit configured to operate in a first mode in which an operating voltage is generated using an internal voltage or a second mode in which the operating voltage is generated using an external voltage, and to provide the operating voltage to the memory block, and a control logic configured to measure and store a first rising time during which the operating voltage rises to a target level in the first mode, and to control the voltage generation circuit so that a second rising time during which the operating voltage rises to the target level in the second mode is equal to or longer than the first rising time.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: January 18, 2022
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Cho
  • Patent number: 11205486
    Abstract: The present technology includes a voltage generator and a memory device including the voltage generator. The voltage generator includes an operation code determiner configured to output a clock control code including the number of planes in response to an operation code, a clock group configured to simultaneously generate clocks having different periods according to the clock control code, and a pump group configured to perform a pumping operation according to the clocks and output operation voltages.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: December 21, 2021
    Assignee: SK hynix Inc.
    Inventors: Won Jae Choi, Hyun Chul Cho
  • Publication number: 20210366555
    Abstract: The present technology includes a voltage generator and a memory device including the voltage generator. The voltage generator includes an operation code determiner configured to output a clock control code including the number of planes in response to an operation code, a clock group configured to simultaneously generate clocks having different periods according to the clock control code, and a pump group configured to perform a pumping operation according to the clocks and output operation voltages.
    Type: Application
    Filed: October 6, 2020
    Publication date: November 25, 2021
    Applicant: SK hynix Inc.
    Inventors: Won Jae CHOI, Hyun Chul CHO
  • Publication number: 20210312993
    Abstract: Provided herein is a memory device and a method of operating the same. The memory device may include a memory block, a voltage generation circuit configured to operate in a first mode in which an operating voltage is generated using an internal voltage or a second mode in which the operating voltage is generated using an external voltage, and to provide the operating voltage to the memory block, and a control logic configured to measure and store a first rising time during which the operating voltage rises to a target level in the first mode, and to control the voltage generation circuit so that a second rising time during which the operating voltage rises to the target level in the second mode is equal to or longer than the first rising time.
    Type: Application
    Filed: September 1, 2020
    Publication date: October 7, 2021
    Inventor: Hyun Chul CHO
  • Publication number: 20210280259
    Abstract: A memory device may include: a memory cell array including a plurality of planes; and a voltage generation circuit including a master pump component and at least one or more sub-pump components that respectively correspond to the planes. During an interleaved operation, the master pump component may generate a first output voltage in response to a first pump clock, and the sub-pump components may generate second output voltages in response to second pump clocks. The master pump component and the sub-pump components may respectively provide the first output voltage and the second output voltages to the corresponding planes. During a non-interleaved operation, the master pump component and the sub-pump components may generate the first output voltage in response to the first pump clock and provide the first output voltage to a selected plane of the plurality of planes.
    Type: Application
    Filed: August 18, 2020
    Publication date: September 9, 2021
    Applicant: SK hynix Inc.
    Inventor: Hyun Chul CHO
  • Patent number: 11081146
    Abstract: The present disclosure relates to method of operating a memory device, the memory device includes a memory cell array, a voltage generator, and control logic. The voltage generator configured to increase a power supply voltage. The control logic is configured to store a time based on the increased power supply voltage and a reference voltage. The reference voltage is a voltage level used to perform an operation on the memory cell array.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: August 3, 2021
    Assignee: SK hynix Inc.
    Inventor: Hyun Chul Cho
  • Patent number: 10740444
    Abstract: Disclosed is an electronic device and a method for processing authentication. The electronic device includes a communication circuit; a display; a memory; and at least one processor electrically connected to the communication circuit, the display, and the memory, wherein the memory stores instructions that cause the at least one processor to identify whether the electronic device is mounted on a first external electronic device, execute at least one application for an authentication based at least part of the identification, detect a second external electronic device, which can transmit authentication information related to the authentication, receive at least one piece of information related to the authentication from the second external electronic device based at least partially on the detection outcome, and perform authentication based on the received authentication information.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Chul Cho, Seung-Hoe Gu, Hyun-Ju Park, Hyun-Soo Shim, Soon-Young Lee
  • Publication number: 20200234740
    Abstract: The present disclosure relates to method of operating a memory device, the memory device includes a memory cell array, a voltage generator, and control logic. The voltage generator configured to increase a power supply voltage. The control logic is configured to store a time based on the increased power supply voltage and a reference voltage. The reference voltage is a voltage level used to perform an operation on the memory cell array.
    Type: Application
    Filed: October 31, 2019
    Publication date: July 23, 2020
    Applicant: SK hynix Inc.
    Inventor: Hyun Chul CHO
  • Patent number: 10438363
    Abstract: A method for registering a tooth image with a tooth structure according to an embodiment includes a first registering step for registering a tooth image model obtained from a medical image taken when an object bites a bite including a marker with a bite scanning model obtained by scanning the bite, a second registering step for registering the bite scanning model with a tooth scanning model obtained by scanning a tooth shape of the object, and a third registering step for registering the tooth image model with the tooth scanning model based on the results of the first registering step and the results of the second registering step. As a result, a model including an accurate shape of tooth part difficult to obtain from a medical imaging apparatus can be easily obtained.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: October 8, 2019
    Assignee: Korea Institute of Science and Technology
    Inventors: Youngjun Kim, Hyun Chul Cho, Deukhee Lee, Laehyun Kim, Se Hyung Park, Jung-Woo Lee
  • Publication number: 20180218135
    Abstract: Disclosed is an electronic device and a method for processing authentication. The electronic device includes a communication circuit; a display; a memory; and at least one processor electrically connected to the communication circuit, the display, and the memory, wherein the memory stores instructions that cause the at least one processor to identify whether the electronic device is mounted on a first external electronic device, execute at least one application for an authentication based at least part of the identification, detect a second external electronic device, which can transmit authentication information related to the authentication, receive at least one piece of information related to the authentication from the second external electronic device based at least partially on the detection outcome, and perform authentication based on the received authentication information.
    Type: Application
    Filed: January 31, 2018
    Publication date: August 2, 2018
    Inventors: Hyun-Chul CHO, Seung-Hoe GU, Hyun-Ju PARK, Hyun-Soo SHIM, Soon-Young LEE
  • Publication number: 20180205998
    Abstract: An electronic apparatus is provided that includes: a communicator performing communication with a server; and a processor providing a user interface that receives information on a previous broadcasting program broadcast before a broadcasting program and a subsequent broadcasting program broadcast after the broadcasting program on a channel on which the broadcasting program is broadcast from the server and indicates a broadcasting schedule for at least one for the previous broadcasting program, the broadcasting program, and the subsequent broadcasting program based on the information on the received broadcasting program.
    Type: Application
    Filed: September 28, 2017
    Publication date: July 19, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Hyun-chul CHO
  • Publication number: 20180122089
    Abstract: A method for registering a tooth image with a tooth structure according to an embodiment includes a first registering step for registering a tooth image model obtained from a medical image taken when an object bites a bite including a marker with a bite scanning model obtained by scanning the bite, a second registering step for registering the bite scanning model with a tooth scanning model obtained by scanning a tooth shape of the object, and a third registering step for registering the tooth image model with the tooth scanning model based on the results of the first registering step and the results of the second registering step. As a result, a model including an accurate shape of tooth part difficult to obtain from a medical imaging apparatus can be easily obtained.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Youngjun KIM, Hyun Chul CHO, Deukhee LEE, Laehyun KIM, Se Hyung PARK, Jung-Woo LEE
  • Patent number: 9517661
    Abstract: The present disclosure relates to a low noise tire, and more specifically, to a low noise tire that includes: a sealant layer adhered to an inside surface of an inner liner of the tire; and a sound-absorbing material layer adhered to the sealant layer, in which the sound-absorbing material layer includes 50 to 90 wt % of a polypropylene melt-blown fiber and 10 to 50 wt % of a polymer fiber.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 13, 2016
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Tae Joo, Hyun Chul Cho
  • Publication number: 20160001612
    Abstract: The present disclosure relates to a low noise tire, and more specifically, to a low noise tire that includes: a sealant layer adhered to an inside surface of an inner liner of the tire; and a sound-absorbing material layer adhered to the sealant layer, in which the sound-absorbing material layer includes 50 to 90 wt % of a polypropylene melt-blown fiber and 10 to 50 wt % of a polymer fiber.
    Type: Application
    Filed: December 12, 2014
    Publication date: January 7, 2016
    Inventors: Yong Tae JOO, Hyun Chul CHO
  • Patent number: 9134749
    Abstract: An internal voltage generator includes an internal voltage control unit suitable for generate an enable signal based on a voltage level of an internal voltage, a clock control unit suitable for generate a control clock having a restricted toggling period based on the enable signal and a clock while controlling the toggling number of the control clock, and an internal voltage generation unit suitable for generate the internal voltage based on the control clock.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: September 15, 2015
    Assignee: SK Hynix Inc.
    Inventors: Jin-Woo Lee, Hyun-Chul Cho
  • Publication number: 20150070068
    Abstract: An internal voltage generator includes an internal voltage control unit suitable for generate an enable signal based on a voltage level of an internal voltage, a clock control unit suitable for generate a control clock having a restricted toggling period based on the enable signal and a clock while controlling the toggling number of the control clock, and an internal voltage generation unit suitable for generate the internal voltage based on the control clock.
    Type: Application
    Filed: December 13, 2013
    Publication date: March 12, 2015
    Applicant: SK hynix Inc.
    Inventors: Jin-Woo LEE, Hyun-Chul CHO
  • Publication number: 20150021003
    Abstract: A heat exchanger including a plurality of tubes disposed horizontally, a pair of vertical headers connecting the tubes, and at least one flow distribution baffle mounted to a header at one group of the plurality of tubes such that the flow distribution baffle is positioned between tubes of the one group. Each of the at least one flow distribution baffle is provided with at least one distribution hole allowing a refrigerant to pass therethrough. The heat exchanger prevents unbalanced distribution of the refrigerant when it operates as an evaporator of an outdoor unit.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 22, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Chul CHO, Jun Woo Suh, Dong Hyun Kim, Gaku Hayase