Patents by Inventor Yong Sin Kim

Yong Sin 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: 20230141571
    Abstract: Provided is a drive apparatus configured to drive an optical device. The drive apparatus includes a preprocessing circuit configured to generate a first reference signal by performing preprocessing on an input signal; a drive circuit configured to generate a driving current for driving the optical device, and generate a replica current based on the driving current; and a calibration circuit configured to generate a replica voltage signal based on the replica current, generate a driving signal by changing a phase of the first reference signal based on the replica voltage signal, and provide the driving signal to the drive circuit.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 11, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research And Business Foundation
    Inventors: Yong Sin KIM, Minseong KIM
  • Patent number: 11626836
    Abstract: An energy harvester is provided. The energy harvester includes a current-voltage converter, a voltage-PWM converter, an analog multiplier, a sample-hold circuit, an ?-generator, and a fractional open-circuit voltage circuit.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: April 11, 2023
    Assignee: Korea University Research and Business Foundation
    Inventors: Yong Sin Kim, Yun Chan Im
  • Publication number: 20220239252
    Abstract: An energy harvester is provided. The energy harvester includes a current-voltage converter, a voltage-PWM converter, an analog multiplier, a sample-hold circuit, an ?-generator, and a fractional open-circuit voltage circuit.
    Type: Application
    Filed: January 27, 2022
    Publication date: July 28, 2022
    Applicant: Korea University Research and Business Foundation
    Inventors: Yong Sin KIM, Yun Chan IM
  • Patent number: 11208032
    Abstract: A vehicle projects various types of light beams onto a road using a light-emitting module. The light-emitting module includes: a reflection unit, and a light source unit to emit light to the reflection unit. The reflection unit includes: a first pole magnet and a second pole magnet facing each other while being spaced apart from each other; a plate disposed between the first pole magnet and the second pole magnet, and a wire disposed in a multiple number of turns in one direction along an edge of the plate; and a reflection surface disposed on the upper surface of the plate.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 28, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Ji Soo Park, Jung Gi Han, Dong Hee Han, Yong Sin Kim
  • Patent number: 10960772
    Abstract: A direct current (DC)-DC converter is for a vehicle for converting a first voltage output of a first battery to a second voltage output of a second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 30, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Publication number: 20200172000
    Abstract: A vehicle projects various types of light beams onto a road using a light-emitting module. The light-emitting module includes: a reflection unit, and a light source unit to emit light to the reflection unit. The reflection unit includes: a first pole magnet and a second pole magnet facing each other while being spaced apart from each other; a plate disposed between the first pole magnet and the second pole magnet, and a wire disposed in a multiple number of turns in one direction along an edge of the plate; and a reflection surface disposed on the upper surface of the plate.
    Type: Application
    Filed: September 26, 2019
    Publication date: June 4, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATION
    Inventors: Ji Soo PARK, Jung Gi Han, Dong Hee Han, Yong Sin Kim
  • Publication number: 20200094708
    Abstract: A direct current (DC)-DC converter is for a vehicle for converting a first voltage output of a first battery to a second voltage output of a second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Patent number: 10554919
    Abstract: An image sensor is disclosed. The image sensor includes: a pixel array comprising a plurality of pixels that convert an optical image signal incident from a subject into electrical image data; a driver configured to output a plurality of control signals for controlling the plurality of pixels; a comparison unit configured to compare pieces of data output from two adjacent pixels and output the comparison result; and a buffer configured to receive output signals output from the comparison unit and output frame data.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: February 4, 2020
    Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Yong Sin Kim, Jeong Seok Kim
  • Patent number: 10525831
    Abstract: A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: January 7, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Publication number: 20180147945
    Abstract: A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.
    Type: Application
    Filed: June 30, 2017
    Publication date: May 31, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business Foundation
    Inventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
  • Patent number: 9983604
    Abstract: A low drop-out (LDO) regulator includes a pass transistor, a feedback circuit, an error amplifier, and a compensation unit. The pass transistor is configured to regulate a power supply and output an output voltage according to a control signal. The feedback circuit is configured to generate a feedback voltage based on the output voltage. The error amplifier is configured to output a comparison signal in response to a reference voltage and the feedback voltage. The compensation circuit is configured to generate a negative capacitance in association with a first node connected to a gate electrode of the pass transistor.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: May 29, 2018
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: JaeYoul Lee, Jeongpyo Kim, Yong Sin Kim, Seong Jin Yun
  • Patent number: 9763036
    Abstract: A mobile terminal including a communication unit; a location information unit configured to obtain location information; a touchscreen; and a controller configured to display a message input interface on the touchscreen for inputting a message to a counterpart terminal, wherein the message is a multimedia message service (MMS) message, display a map on the touchscreen in response to selection of a map option via the message input interface, display a symbol identifying a particular location selected on the displayed map, and transfer location information including the selected particular location together with the message input on the message input interface to the counterpart terminal via the communication unit, wherein the location information includes a geographical name.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: September 12, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
  • Patent number: 9668089
    Abstract: The present invention relates to a mobile terminal including an input unit; a communication unit; a location information unit configured to obtain location information related to the mobile terminal; and a controller configured to: receive a message and a recipient through the input unit, determine a location information transfer mode set for the recipient, receive a message transfer command through the input unit, transfer the message with the location information to the recipient through the communication unit in response to the message transfer command, when the location information transfer mode is a first transfer mode, and transfer the message without the location information to the recipient through the communication unit in response to the message transfer command, when the location information transfer mode set to the recipient is a second transfer mode.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: May 30, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
  • Publication number: 20170097649
    Abstract: A low drop-out (LDO) regulator includes a pass transistor, a feedback circuit, an error amplifier, and a compensation unit. The pass transistor is configured to regulate a power supply and output an output voltage according to a control signal. The feedback circuit is configured to generate a feedback voltage based on the output voltage. The error amplifier is configured to output a comparison signal in response to a reference voltage and the feedback voltage. The compensation circuit is configured to generate a negative capacitance in association with a first node connected to a gate electrode of the pass transistor.
    Type: Application
    Filed: October 5, 2015
    Publication date: April 6, 2017
    Inventors: JaeYoul LEE, Jeongpyo KIM, Yong Sin KIM, Seong Jin YUN
  • Publication number: 20160330393
    Abstract: An image sensor is disclosed. The image sensor includes: a pixel array comprising a plurality of pixels that convert an optical image signal incident from a subject into electrical image data; a driver configured to output a plurality of control signals for controlling the plurality of pixels; a comparison unit configured to compare pieces of data output from two adjacent pixels and output the comparison result; and a buffer configured to receive output signals output from the comparison unit and output frame data.
    Type: Application
    Filed: May 6, 2016
    Publication date: November 10, 2016
    Applicant: Korea University Research and Business Foundation
    Inventors: Yong Sin Kim, Jeong Seok Kim
  • Publication number: 20160219400
    Abstract: A mobile terminal including a communication unit; a location information unit configured to obtain location information; a touchscreen; and a controller configured to display a message input interface on the touchscreen for inputting a message to a counterpart terminal, wherein the message is a multimedia message service (MMS) message, display a map on the touchscreen in response to selection of a map option via the message input interface, display a symbol identifying a particular location selected on the displayed map, and transfer location information including the selected particular location together with the message input on the message input interface to the counterpart terminal via the communication unit, wherein the location information includes a geographical name.
    Type: Application
    Filed: April 5, 2016
    Publication date: July 28, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Kyoung JANG, Yong Sin KIM, Hye Yeon PARK, Jin Ho SON, Doo Yi CHANG
  • Publication number: 20150049062
    Abstract: A motion gesture sensing module includes a light source emitting light, and a light sensor unit including at least two optical detectors sensing light reflected from a subject, in which an optical block is disposed in a light receiving path of the light sensor unit and individually separates a detectable zone of each of the optical detectors, thereby determining a motion or gesture of the subject based on output of the light sensor unit. Further, a motion gesture sensing method is a contactless motion sensing method, in which a light source emits light, light reflected from a subject is received by at least two optical detectors, and output values of respective optical detectors are compared to determine a motion of a subject, thereby sensing motion gesture of the subject by individually separating a detectable zone of the optical detector and receiving the light reflected from the subject.
    Type: Application
    Filed: March 26, 2013
    Publication date: February 19, 2015
    Inventors: Suk-Ki Kim, Yong-Sin Kim, Ho-Yeong Park, Kwang-Jae Lee
  • Publication number: 20140235281
    Abstract: The present invention relates to a mobile terminal including an input unit; a communication unit; a location information unit configured to obtain location information related to the mobile terminal; and a controller configured to: receive a message and a recipient through the input unit, determine a location information transfer mode set for the recipient, receive a message transfer command through the input unit, transfer the message with the location information to the recipient through the communication unit in response to the message transfer command, when the location information transfer mode is a first transfer mode, and transfer the message without the location information to the recipient through the communication unit in response to the message transfer command, when the location information transfer mode set to the recipient is a second transfer mode.
    Type: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Min Kyoung JANG, Yong Sin KIM, Hye Yeon PARK, Jin Ho SON, Doo Yi CHANG
  • Patent number: 8750910
    Abstract: The present invention relates to a mobile terminal which transfers or receives data, including location information, in various ways, and a method of transferring or receiving data using the same.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: June 10, 2014
    Assignee: LG Electronics Inc.
    Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
  • Patent number: 8744489
    Abstract: The present invention relates to a mobile terminal which transfers or receives data, including location information, in various ways, and a method of transferring or receiving data using the same.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: June 3, 2014
    Assignee: LG Electronics Inc.
    Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang