Patents by Inventor Hyojin CHOI

Hyojin 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).

  • Patent number: 12175177
    Abstract: A system verification method includes generating a first verification vector as a result of a first action of an agent, the first verification vector referring to an observation corresponding to at least one state already covered, from among states of elements of a target system, identifying a first coverage corresponding to at least one state covered by the first verification vector, from among the states of the elements, updating the observation by reflecting the first coverage in the observation, and generating a second verification vector through a second action of the agent, the second verification vector referring to the updated observation.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: December 24, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Haeng Lee, Youngmin Oh, Hyun Sun Park, Yongwoo Lee, Jaecheol Lee, Hyojin Choi, Younsik Park, Seungju Kim, Changwook Jeong, In Huh
  • Publication number: 20240298386
    Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 5, 2024
    Inventors: Seongho SON, Jaekyung YANG, Hyojin CHOI, Yongsoo LEE
  • Patent number: 12016104
    Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: June 18, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Seongho Son, Jaekyung Yang, Hyojin Choi, Yongsoo Lee
  • Publication number: 20240039387
    Abstract: The present disclosure relates to a power converting device and a home appliance including the same. A power converting device according to an embodiment of the present disclosure comprises a first capacitor, a first switching element turned on to output a first voltage stored in the first capacitor to a first node which is one end of an inductive load, a second switching element, one end of which is connected to the first switching element and which is turned on to decrease the voltage of the first node to the first voltage, a third switching element turned on to output a second voltage greater than the first voltage to the first node which is one end of the inductive load, and a fourth switching element, one end of which is connected to the third switching element and which is turned on to decrease the voltage of the first node to the ground voltage. Accordingly, switching loss may be reduced when power is supplied to an inductive load.
    Type: Application
    Filed: March 3, 2021
    Publication date: February 1, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangchul HAN, Chaseung JUN, Sangju LEE, Taewoong KONG, Hyojin CHOI, Jinwoo PARK
  • Publication number: 20230409902
    Abstract: An operating method of an electronic device is disclosed. The operating method includes generating an input tensor by using a generator network, obtaining a first score by inputting the input tensor to a target row refresh logic module, storing a pair of the generator network and the first score in an evolution pool when the first score is greater than a threshold value, training a critic network based on the input tensor and the first score when the number of times of iteration is smaller than the maximum number of times of iteration, and training the generator network based on a training result of the critic network when the number of times of iteration is smaller than the maximum number of times of iteration.
    Type: Application
    Filed: February 24, 2023
    Publication date: December 21, 2023
    Inventors: Changhwi PARK, Hyojin CHOI
  • Publication number: 20230257926
    Abstract: A clothing processing device disclosed in the present specification includes: a cabinet; a drum provided inside the cabinet, made of a metal material, and provided to receive a laundry therein; and an induction module which is spaced apart from the circumferential surface of the drum and heats the circumferential surface of the drum through a magnetic field generated when a current is applied to a coil having a wound wire, wherein: the induction module includes a base housing for receiving the coil; the coil includes a first region which is a portion located adjacent to the front of the drum, a third region which is a portion located adjacent to the rear of the drum, and a second region which is a portion positioned between the first region and the third region; and a shortest width of the first region or the third region is formed to be greater than a shortest width of the second region so that the coil having the wire wound on the base housing has different widths.
    Type: Application
    Filed: July 8, 2021
    Publication date: August 17, 2023
    Inventors: Hyojin CHOI, Taewoong KONG, Chaseung JUN, Sangwook HONG
  • Patent number: 11669773
    Abstract: An electronic device configured to generate a verification vector for verifying a semiconductor circuit including a first circuit block and a second circuit block includes a duplicate command eliminator configured to receive a first input vector including a plurality of commands and to provide a first converted vector, in which ones of the plurality of commands that generate the same state transition are changed into idle commands, based on a state transition of the first circuit block obtained by performing a simulation operation on the first input vector, a reduced vector generator configured to provide a first reduced vector in which a number of repetitions of the idle commands included in the first converted vector is reduced, and a verification vector generator configured to output the first reduced vector having a coverage that coincides with a target coverage among a plurality of first reduced vectors as a first verification vector.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: June 6, 2023
    Inventors: Seungju Kim, Hyojin Choi, In Huh, Jeonghoon Ko, Changwook Jeong, Younsik Park, Joonwan Chai
  • Patent number: 11532336
    Abstract: A memory device including: a memory cell array including a plurality of memory cell rows; an address buffer configured to store addresses of target rows of the plurality of memory cell rows, wherein the addresses of the target rows have been repeatedly accessed; a minimum access output circuit configured to select, when there are a plurality of rows having a same minimum access count among the target rows, any one of the plurality of rows having the same minimum access count as a minimum access row based on a selection command value, and to output an index value of the minimum access row; and a control circuit configured to output a command instructing replacement of an address corresponding to the index value of the minimum access row with an address of an access row and storage of the address of the access row in the address buffer.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyojin Choi, Jaewon Ko, Hyeongtae Kim, Younsik Park, Hyeonsik Son
  • Publication number: 20220084564
    Abstract: A memory device including: a memory cell array including a plurality of memory cell rows; an address buffer configured to store addresses of target rows of the plurality of memory cell rows, wherein the addresses of the target rows have been repeatedly accessed; a minimum access output circuit configured to select, when there are a plurality of rows having a same minimum access count among the target rows, any one of the plurality of rows having the same minimum access count as a minimum access row based on a selection command value, and to output an index value of the minimum access row; and a control circuit configured to output a command instructing replacement of an address corresponding to the index value of the minimum access row with an address of an access row and storage of the address of the access row in the address buffer.
    Type: Application
    Filed: June 7, 2021
    Publication date: March 17, 2022
    Inventors: Hyojin CHOI, Jaewon KO, Hyeongtae KIM, Younsik PARK, Hyeonsik SON
  • Patent number: 11140752
    Abstract: An induction heating device includes: a casing; a cover plate coupled to a top of the casing, where the cover plate has a surface configured to seat an object; a first induction heating module located within the casing and configured to heat the object; a first wiring substrate that is configured to couple to a bottom of the first induction heating module and that extends in a first direction, where the first wiring substrate includes at least one of a power line or a signal line; and a first connector that is configured to couple the first wiring substrate to the bottom of the first induction heating module, where the first connector includes a pogo pin.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: October 5, 2021
    Assignee: LG Electronics Inc.
    Inventors: Hyojin Choi, Seongho Son, Jaekyung Yang, Yongsoo Lee
  • Publication number: 20210127463
    Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
    Type: Application
    Filed: January 5, 2021
    Publication date: April 29, 2021
    Inventors: Seongho SON, Jaekyung YANG, Hyojin CHOI, Yongsoo LEE
  • Publication number: 20210117193
    Abstract: An electronic device configured to generate a verification vector for verifying a semiconductor circuit including a first circuit block and a second circuit block includes a duplicate command eliminator configured to receive a first input vector including a plurality of commands and to provide a first converted vector, in which ones of the plurality of commands that generate the same state transition are changed into idle commands, based on a state transition of the first circuit block obtained by performing a simulation operation on the first input vector, a reduced vector generator configured to provide a first reduced vector in which a number of repetitions of the idle commands included in the first converted vector is reduced, and a verification vector generator configured to output the first reduced vector having a coverage that coincides with a target coverage among a plurality of first reduced vectors as a first verification vector.
    Type: Application
    Filed: June 29, 2020
    Publication date: April 22, 2021
    Inventors: Seungju Kim, Hyojin Choi, In Huh, Jeonghoon Ko, Changwook Jeong, Younsik Park, Joonwan Chai
  • Patent number: 10973091
    Abstract: Disclosed herein is an induction heat cooking apparatus including a power supply configured to supply an alternating current (AC) voltage, a rectifier configured to rectify the supplied AC voltage into a direct current (DC) voltage, first and second switching units configured to control switching such that the DC voltage from the rectifier is alternately applied to a working coil, a comparison unit configured to sense current flowing in the working coil and to compare the sensed current with a predetermined reference value to output pulses, and a controller configured to determine whether a cooking vessel is present on the working coil based on the output pulses.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: April 6, 2021
    Assignee: LG Electronics Inc.
    Inventors: Seongho Son, Taewoong Kong, Younghwan Kwack, Jaekyung Yang, Yongsoo Lee, Hyojin Choi
  • Patent number: 10917947
    Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: February 9, 2021
    Assignee: LG Electronics Inc.
    Inventors: Seongho Son, Jaekyung Yang, Hyojin Choi, Yongsoo Lee
  • Publication number: 20200364314
    Abstract: A system verification method includes generating a first verification vector as a result of a first action of an agent, the first verification vector referring to an observation corresponding to at least one state already covered, from among states of elements of a target system, identifying a first coverage corresponding to at least one state covered by the first verification vector, from among the states of the elements, updating the observation by reflecting the first coverage in the observation, and generating a second verification vector through a second action of the agent, the second verification vector referring to the updated observation.
    Type: Application
    Filed: November 25, 2019
    Publication date: November 19, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Haeng LEE, Youngmin OH, Hyun Sun PARK, Yongwoo LEE, Jaecheol LEE, Hyojin CHOI, Younsik PARK, Seungju KIM, Changwook JEONG, In HUH
  • Publication number: 20190306928
    Abstract: An induction heating device includes: a casing; a cover plate coupled to a top of the casing, where the cover plate has a surface configured to seat an object; a first induction heating module located within the casing and configured to heat the object; a first wiring substrate that is configured to couple to a bottom of the first induction heating module and that extends in a first direction, where the first wiring substrate includes at least one of a power line or a signal line; and a first connector that is configured to couple the first wiring substrate to the bottom of the first induction heating module, where the first connector includes a pogo pin.
    Type: Application
    Filed: February 14, 2019
    Publication date: October 3, 2019
    Inventors: Hyojin CHOI, Seongho SON, Jaekyung YANG, Yongsoo LEE
  • Publication number: 20190045586
    Abstract: Disclosed herein is an induction heat cooking apparatus including a power supply configured to supply an alternating current (AC) voltage, a rectifier configured to rectify the supplied AC voltage into a direct current (DC) voltage, first and second switching units configured to control switching such that the DC voltage from the rectifier is alternately applied to a working coil, a comparison unit configured to sense current flowing in the working coil and to compare the sensed current with a predetermined reference value to output pulses, and a controller configured to determine whether a cooking vessel is present on the working coil based on the output pulses.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 7, 2019
    Inventors: Seongho SON, Taewoong KONG, Younghwan KWACK, Jaekyung YANG, Yongsoo LEE, Hyojin CHOI
  • Publication number: 20180177000
    Abstract: An induction heat cooking apparatus includes a rectifier configured to convert an AC voltage supplied from a power source into a DC voltage, a battery configured to store power, a switch configured to connect to at least one of the rectifier or the battery, an inverter connected to the switch and configured to receive a first voltage from at least one of the rectifier or the battery and convert the first voltage to a second voltage, and a heating coil configured to receive the second voltage from the inverter and generate magnetic fields in which the heating coil is configured to heat a cooking device based on the generated magnetic fields.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 21, 2018
    Inventors: Seongho SON, Jaekyung YANG, Hyojin CHOI, Yongsoo LEE
  • Patent number: 9747998
    Abstract: A test method of the semiconductor memory device including a memory cell array and an anti-fuse array includes detecting failed cells included in the memory cell array; determining a fail address corresponding to the detected failed cells; storing the determined fail address in a first region of the memory cell array; and reading the fail address stored in the first region to program the read fail address in the anti-fuse array. According to the test method of a semiconductor memory device and the semiconductor memory system, since the test operation can be performed without an additional memory for storing an address, the semiconductor memory device and the test circuit can be embodied by a small area.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: August 29, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sua Kim, Dongsoo Kang, Chulwoo Park, Jun Hee Yoo, Hak-Soo Yu, Jaeyoun Youn, Sung Hyun Lee, Jinsu Jung, Hyojin Choi
  • Patent number: 9348679
    Abstract: A bad page management system is provided to guarantee a yield of a volatile semiconductor memory device such as a DRAM. A bad page list exists in a DRAM. A page remapper in a memory controller performs a page remapping operation in parallel with a normal operation of a scheduling unit to perform a latency overhead hidden function. A chip size of the DRAM is reduced or minimized. A DRAM controller performs a latency overhead hidden function to control a DRAM.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: May 24, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Hee Yoo, Sung Hyun Lee, Dongsoo Kang, Sua Kim, Haksoo Yu, Jaeyoun Youn, Hyojin Choi