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).
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Publication number: 20230141571Abstract: 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: ApplicationFiled: November 9, 2022Publication date: May 11, 2023Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research And Business FoundationInventors: Yong Sin KIM, Minseong KIM
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Patent number: 11626836Abstract: 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: GrantFiled: January 27, 2022Date of Patent: April 11, 2023Assignee: Korea University Research and Business FoundationInventors: Yong Sin Kim, Yun Chan Im
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Publication number: 20220239252Abstract: 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: ApplicationFiled: January 27, 2022Publication date: July 28, 2022Applicant: Korea University Research and Business FoundationInventors: Yong Sin KIM, Yun Chan IM
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Patent number: 11208032Abstract: 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: GrantFiled: September 26, 2019Date of Patent: December 28, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATIONInventors: Ji Soo Park, Jung Gi Han, Dong Hee Han, Yong Sin Kim
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Patent number: 10960772Abstract: 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: GrantFiled: November 27, 2019Date of Patent: March 30, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business FoundationInventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
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Publication number: 20200172000Abstract: 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: ApplicationFiled: September 26, 2019Publication date: June 4, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA UNIVERSITY RESEARCH & BUSINESS FOUNDATIONInventors: Ji Soo PARK, Jung Gi Han, Dong Hee Han, Yong Sin Kim
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Publication number: 20200094708Abstract: 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: ApplicationFiled: November 27, 2019Publication date: March 26, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business FoundationInventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
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Patent number: 10554919Abstract: 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: GrantFiled: May 6, 2016Date of Patent: February 4, 2020Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Yong Sin Kim, Jeong Seok Kim
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Patent number: 10525831Abstract: 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: GrantFiled: June 30, 2017Date of Patent: January 7, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business FoundationInventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
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Publication number: 20180147945Abstract: 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: ApplicationFiled: June 30, 2017Publication date: May 31, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Korea University Research and Business FoundationInventors: JinYoung Yang, Taejong Ha, Youngjin Kim, Yong Sin Kim, Sang-hun Lee
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Patent number: 9983604Abstract: 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: GrantFiled: October 5, 2015Date of Patent: May 29, 2018Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business FoundationInventors: JaeYoul Lee, Jeongpyo Kim, Yong Sin Kim, Seong Jin Yun
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Patent number: 9763036Abstract: 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: GrantFiled: April 5, 2016Date of Patent: September 12, 2017Assignee: LG ELECTRONICS INC.Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
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Patent number: 9668089Abstract: 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: GrantFiled: April 29, 2014Date of Patent: May 30, 2017Assignee: LG ELECTRONICS INC.Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
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Publication number: 20170097649Abstract: 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: ApplicationFiled: October 5, 2015Publication date: April 6, 2017Inventors: JaeYoul LEE, Jeongpyo KIM, Yong Sin KIM, Seong Jin YUN
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Publication number: 20160330393Abstract: 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: ApplicationFiled: May 6, 2016Publication date: November 10, 2016Applicant: Korea University Research and Business FoundationInventors: Yong Sin Kim, Jeong Seok Kim
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Publication number: 20160219400Abstract: 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: ApplicationFiled: April 5, 2016Publication date: July 28, 2016Applicant: LG ELECTRONICS INC.Inventors: Min Kyoung JANG, Yong Sin KIM, Hye Yeon PARK, Jin Ho SON, Doo Yi CHANG
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Publication number: 20150049062Abstract: 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: ApplicationFiled: March 26, 2013Publication date: February 19, 2015Inventors: Suk-Ki Kim, Yong-Sin Kim, Ho-Yeong Park, Kwang-Jae Lee
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Publication number: 20140235281Abstract: 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: ApplicationFiled: April 29, 2014Publication date: August 21, 2014Applicant: LG ELECTRONICS INC.Inventors: Min Kyoung JANG, Yong Sin KIM, Hye Yeon PARK, Jin Ho SON, Doo Yi CHANG
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Patent number: 8750910Abstract: 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: GrantFiled: May 16, 2013Date of Patent: June 10, 2014Assignee: LG Electronics Inc.Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang
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Patent number: 8744489Abstract: 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: GrantFiled: April 30, 2013Date of Patent: June 3, 2014Assignee: LG Electronics Inc.Inventors: Min Kyoung Jang, Yong Sin Kim, Hye Yeon Park, Jin Ho Son, Doo Yi Chang