Patents by Inventor Gyu Won Kim

Gyu Won 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: 20210119117
    Abstract: The present disclosure relates to a spin-orbit torque-based switching device and a method of fabricating the same. The spin-orbit torque-based switching device of the present disclosure includes a spin torque generating layer provided with a tungsten-vanadium alloy thin film exhibiting perpendicular magnetic anisotropy (PMA) characteristics and a magnetization free layer formed on the spin torque generating layer.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 22, 2021
    Applicant: Korea University Research and Business Foundation
    Inventors: Young Keun KIM, Gyu Won KIM
  • Publication number: 20210096389
    Abstract: A camera module includes a gyro sensor to generate shaking data; a first driver integrated circuit (IC) to generate a driving signal to move a first lens barrel in at least one direction perpendicular to an optical axis direction, according to the shaking data; and a second driver IC to generate a driving signal to move a second lens barrel in at least one direction perpendicular to the optical axis direction, according to the shaking data. The first driver IC includes a register unit to store the shaking data transferred from the gyro sensor, and the shaking data stored in the register unit is transferred to the second driver IC.
    Type: Application
    Filed: January 7, 2020
    Publication date: April 1, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Gyu Won KIM
  • Publication number: 20210029277
    Abstract: A method of manufacturing a camera module that includes a housing having an inner space, a frame disposed in the inner space of the housing and configured to accommodate a lens barrel therein, and optical image stabilization driving wires including driving wires driving the frame in a direction perpendicular to an optical axis. The method includes fixing both end portions of a target driving wire, among the driving wires, to a first inner side surface of the housing, disposing the frame adjacent a second inner side surface of the housing that opposes the first inner side surface, and coupling a center part of the target driving wire to a mounting member of the frame that faces the first inner side surface of the housing.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gyu Won KIM, Kyoung Joong MIN
  • Patent number: 10841464
    Abstract: A method of manufacturing a camera module that includes a housing having an inner space, a frame disposed in the inner space of the housing and configured to accommodate a lens barrel therein, and optical image stabilization driving wires including driving wires driving the frame in a direction perpendicular to an optical axis. The method includes fixing both end portions of a target driving wire, among the driving wires, to a first inner side surface of the housing, disposing the frame adjacent a second inner side surface of the housing that opposes the first inner side surface, and coupling a center part of the target driving wire to a mounting member of the frame that faces the first inner side surface of the housing.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: November 17, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won Kim, Kyoung Joong Min
  • Patent number: 10827120
    Abstract: A camera apparatus includes an optical image stabilizer (OIS) device including a control circuit controlling data processing including reading data and writing data, and a digital circuit including a serial peripheral interface bus (SPI) master performing data processing based on SPI communications performed using the SPI master under control of the control circuit to perform an OIS function; and a sensor device including an SPI slave communicating with the SPI master and responding to a request from the OIS device. The control circuit sets a selected SPI communications mode selected from a plurality of predefined SPI communications modes. The digital circuit performs the selected SPI communications mode, and in response to the selected SPI communications mode being a burst status mode with a status check, checks two or more status bits for corresponding data to be read from the sensor device before reading the corresponding data from the sensor device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 3, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won Kim, Kyoung Joong Min
  • Publication number: 20200336663
    Abstract: A camera apparatus includes an optical image stabilizer (OIS) device including a control circuit controlling data processing including reading data and writing data, and a digital circuit including a serial peripheral interface bus (SPI) master performing data processing based on SPI communications performed using the SPI master under control of the control circuit to perform an OIS function; and a sensor device including an SPI slave communicating with the SPI master and responding to a request from the OIS device. The control circuit sets a selected SPI communications mode selected from a plurality of predefined SPI communications modes. The digital circuit performs the selected SPI communications mode, and in response to the selected SPI communications mode being a burst status mode with a status check, checks two or more status bits for corresponding data to be read from the sensor device before reading the corresponding data from the sensor device.
    Type: Application
    Filed: November 13, 2019
    Publication date: October 22, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won KIM, Kyoung Joong MIN
  • Patent number: 10812716
    Abstract: A camera apparatus includes an optical image stabilizer (OIS) circuit including a control circuit configured to control data reading, and a digital circuit including a serial peripheral interface bus (SPI) master and configured to perform data processing using SPI communications in response to control of the control circuit to perform hand-shake correction. The camera apparatus further includes a navigation sensor including an SPI slave for communication with the SPI master and configured to provide corresponding data in response to a request from the OIS circuit. The control circuit is further configured to control communication using a single mode or a burst mode based on a preset SPI communications setting, and the digital circuit is further configured to read data from the navigation sensor using two frames based on a single SPI communications setting in a case of using the burst mode.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won Kim, Kyoung Joong Min
  • Publication number: 20200154009
    Abstract: An actuator of a camera module includes: driving wires to drive a lens barrel in a direction perpendicular to an optical axis; a driver to provide a driving signal in the form of a pulse to the driving wires; and a controller to generate a control signal based on a target position of the lens barrel and a present position of the lens barrel, to control the driver, and to generate resistance offsets between the driving wires based on resistance slope of each of the driving wires.
    Type: Application
    Filed: June 25, 2019
    Publication date: May 14, 2020
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Gyu Won KIM
  • Patent number: 10641988
    Abstract: An analog-digital converter (ADC) module includes: an ADC configured to convert an analog signal into digital data according to a control signal; and an ADC controller configured to receive a mode selection signal setting the ADC controller in one of a plurality of modes, output the control signal to the ADC, and receive the digital data from the ADC. The ADC controller repeatedly outputs the control signal to the ADC using a timer, and stores the digital data in a register in response to an end of conversion (EOC) signal from the ADC, in a first mode. The ADC controller outputs the control signal to the ADC in response to an instruction signal, stores the digital data in the register in response to the EOC signal being input from the ADC, and outputs an interrupt signal to the ADC in response to the digital data being stored in the register, in a second mode.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: May 5, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won Kim, Kyoung Joong Min
  • Publication number: 20200116135
    Abstract: An actuator of a camera module includes: driving wires driving a lens barrel in a direction perpendicular to an optical axis; a driver providing a driving signal in the form of a pulse to the driving wires; a digital converter converting analog signals of the driving wires into digital signal to detect a present position of the lens barrel; and a controller generating a control signal based on a target position of the lens barrel and the present position of the lens barrel, to control the driver, and providing the driver with dithering information to synchronize a digital conversion timing of the digital converter with a period of the pulse of the driving signal.
    Type: Application
    Filed: June 26, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Gyu Won KIM
  • Publication number: 20200120238
    Abstract: A method of manufacturing a camera module that includes a housing having an inner space, a frame disposed in the inner space of the housing and configured to accommodate a lens barrel therein, and optical image stabilization driving wires including driving wires driving the frame in a direction perpendicular to an optical axis. The method includes fixing both end portions of a target driving wire, among the driving wires, to a first inner side surface of the housing, disposing the frame adjacent a second inner side surface of the housing that opposes the first inner side surface, and coupling a center part of the target driving wire to a mounting member of the frame that faces the first inner side surface of the housing.
    Type: Application
    Filed: June 3, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gyu Won KIM, Kyoung Joong MIN
  • Publication number: 20200012168
    Abstract: A camera module includes a support structure having an internal space, a first movable body movably disposed inside the support structure, a second movable body elevatably disposed in an internal space of the first movable body, and a driving unit disposed in at least one of a space between the support structure and the first movable body and a space between the first movable body and the second movable body. The driving unit includes a driving wire, formed of a shape memory alloy, and a spring disposed to overlap the driving wire. The first and second movable bodies are moved by driving force applied in one direction by the driving wire, and driving force applied in another direction by the spring.
    Type: Application
    Filed: April 17, 2019
    Publication date: January 9, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Gyu Won KIM
  • Publication number: 20190253629
    Abstract: A camera apparatus includes an optical image stabilizer (OIS) circuit including a control circuit configured to control data reading, and a digital circuit including a serial peripheral interface bus (SPI) master and configured to perform data processing using SPI communications in response to control of the control circuit to perform hand-shake correction. The camera apparatus further includes a navigation sensor including an SPI slave for communication with the SPI master and configured to provide corresponding data in response to a request from the OIS circuit. The control circuit is further configured to control communication using a single mode or a burst mode based on a preset SPI communications setting, and the digital circuit is further configured to read data from the navigation sensor using two frames based on a single SPI communications setting in a case of using the burst mode.
    Type: Application
    Filed: October 30, 2018
    Publication date: August 15, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won KIM, Kyoung Joong MIN
  • Patent number: 10365452
    Abstract: An actuator of a camera module includes a shape memory alloy (SMA) wire group and a driver. The shape memory alloy (SMA) wire group includes first SMA wires driving a first lens module and second SMA wires driving a second lens module. The driver configured to drive a pair of SMA wires driving different lens modules of the first and the second lens modules among the first and the second SMA wires in a same scheme.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyung Rin Kim, Gyu Won Kim
  • Patent number: 10356324
    Abstract: An actuator of a camera module includes a magnetic body, a driving coil disposed to face the magnetic body, and a driving apparatus including a driving circuit connected to the driving coil and selectively providing one of a first control signal and a second control signal to the driving circuit according to a driving mode. The driving apparatus compares a level of a control signal of a previous driving mode with a level of a control signal of a following driving mode upon the driving mode being switched.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 16, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyung Rin Kim, Gyu Won Kim, Chang Jae Heo
  • Publication number: 20190086633
    Abstract: An analog-digital converter (ADC) module includes: an ADC configured to convert an analog signal into digital data according to a control signal; and an ADC controller configured to receive a mode selection signal setting the ADC controller in one of a plurality of modes, output the control signal to the ADC, and receive the digital data from the ADC. The ADC controller repeatedly outputs the control signal to the ADC using a timer, and stores the digital data in a register in response to an end of conversion (EOC) signal from the ADC, in a first mode. The ADC controller outputs the control signal to the ADC in response to an instruction signal, stores the digital data in the register in response to the EOC signal being input from the ADC, and outputs an interrupt signal to the ADC in response to the digital data being stored in the register, in a second mode.
    Type: Application
    Filed: June 13, 2018
    Publication date: March 21, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Gyu Won KIM, Kyoung Joong MIN
  • Publication number: 20180278850
    Abstract: An actuator of a camera module includes a magnetic body, a driving coil disposed to face the magnetic body, and a driving apparatus including a driving circuit connected to the driving coil and selectively providing one of a first control signal and a second control signal to the driving circuit according to a driving mode. The driving apparatus compares a level of a control signal of a previous driving mode with a level of a control signal of a following driving mode upon the driving mode being switched.
    Type: Application
    Filed: October 31, 2017
    Publication date: September 27, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyung Rin KIM, Gyu Won KIM, Chang Jae HEO
  • Publication number: 20180149824
    Abstract: An actuator of a camera module includes a shape memory alloy (SMA) wire group and a driver. The shape memory alloy (SMA) wire group includes first SMA wires driving a first lens module and second SMA wires driving a second lens module. The driver configured to drive a pair of SMA wires driving different lens modules of the first and the second lens modules among the first and the second SMA wires in a same scheme.
    Type: Application
    Filed: July 21, 2017
    Publication date: May 31, 2018
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyung Rin KIM, Gyu Won KIM
  • Patent number: 9381860
    Abstract: There is provided an apparatus for processing an on-screen display (OSD), the apparatus including: a buffer unit receiving first dynamic guideline image information, a color determining unit determining colors for previously divided sections included in the first dynamic guideline image information from the buffering unit, and an image synthesizing unit synthesizing second dynamic guideline image information having the colors for each of the sections, determined by the color determining unit with an image from a camera. With the apparatus for processing an OSD, a user freely sets colors of a warning message, a static guideline, and a dynamic guideline, whereby the warning message, the static guideline, and the dynamic guideline can be displayed on a screen without obscuring a rearview image. In addition, a dynamic guideline can be set as different colors according to sections divided into distances from the rear of a vehicle and an image can be continuously displayed.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: July 5, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Gyu Won Kim, In Taek Song
  • Patent number: 9312467
    Abstract: An apparatus for generating sinusoidal waves may include: a look-up table storage unit storing a look-up table including a plurality of sampling points determined based on a base frequency and a sampling frequency; a sinusoidal wave generating unit calculating an integer ratio of a target frequency to the base frequency and obtaining sampling points from the look-up table by reflecting the integer ratio so as to generate a sinusoidal wave; and a correction control unit calculating noise information in the generated sinusoidal wave, and controlling the sinusoidal wave generating unit to correct the sampling frequency if the noise information fails to meet a predetermined requirement.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: April 12, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Gyu Won Kim