Patents by Inventor Sang-Gook Kim

Sang-Gook Kim 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: 20240417002
    Abstract: A floor module for a vehicle includes a plurality of tile portions configured to cover a vehicle floor of a vehicle and sequentially aligned by being coupled in a transverse direction, a plurality of fixing portions provided below the tile portions, connected to the tile portions in an upward and downward direction, and sequentially aligned by being coupled in the transverse direction, and a plurality of mounting portions provided above the vehicle floor and configured to support the tile portions and the fixing portions from below by being connected to the fixing portions in the upward and downward direction in a state in which the tile portions and the fixing portions are matched.
    Type: Application
    Filed: November 7, 2023
    Publication date: December 19, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Jin Ho HWANG, Sang heon LEE, Dong Eun CHA, Jin Man PARK, Eun Gook KIM, Hyoung Jun KIM
  • Publication number: 20240418821
    Abstract: A method and a device for performing sensing measurement in a wireless LAN system are disclosed. In an embodiment of the present disclosure, a method for performing sensing measurement by an STA in a wireless LAN system may comprise the steps of: receiving, from a second STA, a sensing measurement element including first information indicating at least one of a TB measurement instance and a non-TB measurement instance; and performing the sensing measurement in at least one of the TB measurement instance and the non-TB measurement instance, wherein the sensing measurement element includes at least one of a parameter set for the TB measurement instance and a parameter set for the non-TB measurement instance on the basis of the first information.
    Type: Application
    Filed: October 24, 2022
    Publication date: December 19, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Jinsoo CHOI, Dongguk LIM, Sang Gook KIM
  • Patent number: 12170489
    Abstract: This application relates to an active compensating device. In one aspect, the active compensating device includes two or more high current paths through which a second current supplied by a second device is transmitted to a first device, and a sensing unit sensing the first current on the high current paths and generating an output signal corresponding to the first current. The device may also include an amplifying unit amplifying the output signal of the sensing unit to generate an amplified current and a compensating unit generating a compensation current based on the amplified current and allowing the compensation current to flow to each of the two or more high current paths. The device may further include a first anti-disturbance unit connected in parallel to output terminals of the sensing unit, and a second anti-disturbance unit connected in parallel to input terminals of the compensating unit.
    Type: Grant
    Filed: December 27, 2023
    Date of Patent: December 17, 2024
    Assignees: EM CORETECH INC., UNIST( ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jin Gook Kim, Sang Yeong Jeong
  • Publication number: 20240405545
    Abstract: The present disclosure provides an active compensation device for actively compensating for noise generated in a common mode in each of at least two high-current paths. The active compensation device includes: a sensing unit configured to generate an output signal corresponding to a common-mode noise signal on the high-current path, an IC unit that receives the output signal and converts the same into a digital signal, generates noise data and an amplified signal at least based on the digital signal, and outputs the noise data and the amplified signal, and a compensation unit that draws a compensation current from the high current path or generates a compensation voltage on the high current path, based on the amplified signal. The noise data is provided to an external device.
    Type: Application
    Filed: September 30, 2022
    Publication date: December 5, 2024
    Inventors: Jin Gook KIM, Sang Yeong JEONG
  • Patent number: 12159742
    Abstract: This application relates to an active current compensation device which actively compensates for a noise occurring in a common mode in each of two or more high-current paths. In one aspect, the active current compensation device includes a sensing unit configured to generate an output signal corresponding to a common-mode noise current on each of the two or more high-current paths, and an amplification unit configured to amplify the output signal to generate an amplified current. The device may also include a compensation unit configured to generate a compensation current on the basis of the amplified current and allow the compensation current to flow to each of the two or more high-current paths, and a malfunction detection unit configured to detect a malfunction of the amplification unit. The malfunction detection unit and at least a portion of the amplification unit may be embedded in one integrated circuit (IC) chip.
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: December 3, 2024
    Assignees: EM CORETECH INC., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jin Gook Kim, Sang Yeong Jeong
  • Publication number: 20240396528
    Abstract: The present disclosure relates to an electromagnetic interference (EMI) filter for preventing noise emitted from a power line cable, and an isolated type active EMI filter having no additional elements on a power line. The EMI filter includes a common-mode (CM) choke disposed on a power source side, a Y-cap disposed on an EMI source side, and a sensing winding configured to sense a current. The EMI filter also includes an amplifier configured to amplify the noise current, and a transformer configured to inject a signal of the secondary coil into the Y-cap as a compensation signal.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Inventors: Jin Gook KIM, Sang Yeong JEONG, Dong Il SHIN
  • Patent number: 12155296
    Abstract: Provided is a current compensation system for solar generators for compensating for noise using an active electromagnetic interference (EMI) filter. An inverting system for solar generators includes a solar inverter converting DC voltage to AC voltage, an EMI filter unit including an active EMI filter to reduce noise corresponding to the AC voltage, a power grid, and at least two or more through lines passing a second current from the power grid to the solar inverter and passing through the EMI filter unit, wherein the active EMI filter includes a noise sensing unit sensing a first current on the at least two or more through lines and generating an output signal corresponding to the first current, an active circuit unit amplifying the output signal to generate an amplified signal, a compensation unit generating a compensation current based on the amplified signal, and a transmission unit providing a path through which the compensation current flows to each of the at least two large current paths.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: November 26, 2024
    Assignees: EM CORETECH INC., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Sang Yeong Jeong, Jin Gook Kim
  • Publication number: 20240389137
    Abstract: A method and a device for performing a sensing procedure in a WLAN system are disclosed. A method of performing a sensing procedure by a first STA in a wireless LAN system comprises the steps of: receiving, from an AP, a first polling frame including first information related to participation in a first type of measurement for the first STA; transmitting, to the AP, a first response frame for the first polling frame; and receiving, from the AP, a second polling frame including the first information, on the basis of a second response frame not being transmitted to the AP from a second STA from among a plurality of STAs including the first STA, wherein the first polling frame may include second information related to participation in a second type of measurement for the second STA, and the second polling frame may not include the second information.
    Type: Application
    Filed: September 13, 2022
    Publication date: November 21, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Jinsoo CHOI, Dongguk LIM, Sang Gook KIM
  • Publication number: 20240373354
    Abstract: Disclosed are a method and apparatus related to a service period (SP)-based sensing procedure in a wireless LAN system. A method by which a first station (STA) performs a sensing procedure in a wireless LAN system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from a second STA, a target wake time (TWT) element including information indicating one or more SPs related to sensing; and performing a sensing operation on the basis of the one or more SPs.
    Type: Application
    Filed: October 14, 2022
    Publication date: November 7, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Insun JANG, Jinsoo CHOI, Dongguk LIM, Sang Gook KIM
  • Publication number: 20240373506
    Abstract: Disclosed are a method and device for communicating in a wireless LAN system. A method for a first station (STA) to communicate in a wireless LAN system comprises the steps of: transmitting, to a plurality of STAs, a first frame for forming a group that is to perform a sensing operation; transmitting a second frame, including information related to a sensing session, to at least one STA that has transmitted a first response frame to the first frame among the plurality of STAs; performing a first sensing operation with the at least one STA in a first sensing burst in the sensing session; and performing a second sensing operation with the at least one STA in a second sensing burst, following the first sensing burst, in the sensing session.
    Type: Application
    Filed: June 3, 2022
    Publication date: November 7, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Gook KIM, Jinsoo CHOI, Dongguk LIM, Insun JANG
  • Publication number: 20240357493
    Abstract: Disclosed are a method and device for performing a sensing procedure in a wireless LAN system. A method for a first station (STA) to perform a sensing procedure in a wireless LAN system comprises the steps of: receiving, from a second STA, first information related to the number of LTF symbols repeated for each spatial stream; and receiving at least one NDP based on the first information from the second STA, wherein the total number of the LTF symbols included in each of the at least one NDP may be based on the number of the spatial streams and the first information.
    Type: Application
    Filed: August 19, 2022
    Publication date: October 24, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongguk LIM, Jinsoo CHOI, Insun JANG, Sang Gook KIM
  • Publication number: 20240349094
    Abstract: A method and a device for performing a sensing procedure in a wireless LAN system are disclosed. A method for performing a sensing procedure by a first station (STA) in a wireless LAN system may comprise the steps of: transmitting a sensing polling frame for identifying whether to participate in sensing measurement to first at least one STA participating in the sensing procedure; receiving a response frame with respect to the sensing polling frame from second at least one STA among the first at least one STA; and transmitting an NDP announcement frame to the second at least one STA on the basis of the response frame.
    Type: Application
    Filed: July 21, 2022
    Publication date: October 17, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongguk LIM, Jinsoo CHOI, Insun JANG, Sang Gook KIM
  • Publication number: 20240333254
    Abstract: Resonators comprising a single-crystalline semiconductor, and related systems and methods, are generally described.
    Type: Application
    Filed: July 19, 2022
    Publication date: October 3, 2024
    Applicant: Massachusetts Institute of Technology
    Inventors: Sang-Gook Kim, Jeehwan Kim
  • Patent number: 12095433
    Abstract: The present disclosure relates to an electromagnetic interference (EMI) filter for preventing noise emitted from a power line cable, and an isolated type active EMI filter having no additional elements on a power line. The EMI filter includes a common-mode (CM) choke disposed on a power source side, a Y-cap disposed on an EMI source side, and a sensing winding configured to sense a current. The EMI filter also includes an amplifier configured to amplify the noise current, and a transformer configured to inject a signal of the secondary coil into the Y-cap as a compensation signal.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: September 17, 2024
    Assignee: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jin Gook Kim, Sang Yeong Jeong, Dong Il Shin
  • Publication number: 20240306199
    Abstract: Disclosed are a method and device for performing a sensing procedure in a wireless LAN system. The method for performing a sensing procedure in a wireless LAN system by means of a first station (STA) comprises the steps of: receiving, from a second STA, a first NDP announcement frame including a sounding dialog token field; and transmitting, to the second STA, at least one feedback fragment constituting a first feedback frame, wherein the sounding dialog token field includes a first sounding dialog token number and information that indicates that a modification form of the first NDP announcement frame is a sensing NDP announcement frame, and the at least one feedback fragment can be transmitted on the basis of a first trigger frame including the first sounding dialog token number.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 12, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongguk LIM, Jinsoo CHOI, Insun JANG, Sang Gook KIM
  • Publication number: 20240292463
    Abstract: Disclosed are a method and device for carrying out or supporting random access in a multi-link operation in a wireless LAN system. A method for a first device carrying out multi-link-based random access in a wireless LAN system, according to one embodiment of the present disclosure, comprises the steps of: receiving random access-related information on a first link among a plurality of links; and carrying out random access on a second link, among the plurality of links, on the basis of the random access-related information, wherein the random access-related information may include one or more among information indicating one or more target link, information on a load at the one or more target link, access allowability information of the one or more target link, or an access parameter for the one or more target link.
    Type: Application
    Filed: June 24, 2022
    Publication date: August 29, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Gook KIM, Jinsoo CHOI, Jiin KIM, Insun JANG, Sunhee BAEK
  • Publication number: 20240292262
    Abstract: Disclosed are a method and apparatus for collaborative sensing in a wireless LAN system. A method in which a first station (STA) executes a sensing procedure in a wireless LAN system, according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a second STA, measurement setup information including identification information of one measurement setup related to a plurality of measurement instances for a STA group including a first STA; in a first measurement instance among the plurality of measurement instances, transmitting or receiving a first sensing signal to or from one or more other STAs in the STA group; and, in a second measurement instance among the plurality of measurement instances, receiving or transmitting a second sensing signal from or to one or more other STAs in the STA group.
    Type: Application
    Filed: October 7, 2022
    Publication date: August 29, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Sang Gook KIM, Jinsoo CHOI, Dongguk LIM, Insun JANG
  • Publication number: 20240283510
    Abstract: Disclosed are a measurement report method and device with respect to sensing in a wireless local area network (LAN) system. A method for transmitting feedback information by a first station (STA) in a wireless LAN system according to an embodiment of the present disclosure may comprise the steps of: receiving one or more sensing signals on one or more partial frequency units within a frequency bandwidth from a second STA; and transmitting feedback information based on the one or more sensing signals to the second STA, wherein the feedback information includes channel state information (CSI) with respect to the one or more partial frequency units.
    Type: Application
    Filed: June 22, 2022
    Publication date: August 22, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Dongguk LIM, Jinsoo CHOI, Insun JANG, Sang Gook KIM
  • Publication number: 20230174112
    Abstract: An aspect of the present invention relates to a method in which an autonomous vehicle generates a virtual lane on the basis of location parameters of road facilities, and travels along the generated virtual lane. According to an embodiment of the present invention, a method of operating an autonomous vehicle configured to autonomously travel along a virtual lane includes: transmitting a request signal through a wireless network; receiving location parameters of nearby road facilities from the road facilities in response to the request signal; generating a virtual lane on the basis of the received location parameters; and autonomously traveling along the generated virtual lane.
    Type: Application
    Filed: June 24, 2019
    Publication date: June 8, 2023
    Applicant: LG ELECTRONICS INC.
    Inventor: Sang Gook KIM
  • Patent number: 11076446
    Abstract: The present invention is directed to a method and an apparatus for use in a wireless communication system. Specifically, the present invention is directed to a method comprising: receiving a plurality of first battery status information from a plurality of Relay UEs, wherein each first battery status information includes an estimated time length of residual battery life of a respective Relay UE; if a congestion is recognized, transmitting a first request signal for requesting additional information about battery status to the plurality of Relay UEs; as a response to the first request signal, receiving a plurality of second battery status information from the plurality of Relay UEs, wherein each second battery status information includes a charging status of a respective Relay UE; and selecting one of the plurality of Relay UEs based on the first and second battery status information, and an apparatus therefore.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 27, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Ki-Dong Lee, Sang Gook Kim