Patents by Inventor Kyoung Won Hyun

Kyoung Won Hyun 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).

  • Apparatus and method for driving voice coil motor
    Patent number: 9214887
    Abstract: An apparatus and a method for driving a voice coil motor (VCM) may include an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the VCM by selecting a path for a driving current applied to the VCM according to the digital signal and controlling a duty of the driving current according to the instruction signal.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: December 15, 2015
    Assignees: Samsung Electro-Mechanics Co., Ltd., ZINITIX CO., LTD
    Inventors: Won Seob Oh, Je Hyun Park, Oh Byoung Kwon, Kyoung Won Hyun, Jung Wook Hwang, Hoon Heo, Hong Soo Jung, Yong Joon Park
  • Apparatus for driving voice coil motor actuator
    Patent number: 8995241
    Abstract: Embodiments of the invention provide an apparatus for driving a voice coil motor actuator providing a driving signal to a coil for controlling a position of a lens barrel in which a magnet is equipped. The apparatus includes a plurality of hall sensors configured to detect the position of the lens barrel in which the magnet is equipped, and a voice coil motor driving integrated circuit configured to provide the driving signal to the coil based on outputs from the plurality of hall sensors and a received target position. The plurality of hall sensors are embedded in the voice coil motor driving integrated circuit along a moving direction of the magnet.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: March 31, 2015
    Assignees: Samsung Electro-Mechanics Co., Ltd., Zinitix Co., Ltd.
    Inventors: Hoon Heo, Hee Soo Yoon, Seog Jin Hong, Won Seob Oh, Kyoung Won Hyun, Shin Young Cheong, Ga Eun Kang, Sung Sig Kim, Yong Joon Park
  • APPARATUS AND METHOD FOR DRIVING VOICE COIL MOTOR
    Publication number: 20140009089
    Abstract: There are provided an apparatus and a method for driving a voice coil motor (VCM), the apparatus including an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the voice coil motor (VCM) by selecting a path for a driving current applied to the voice coil motor (VCM) according to the digital signal and controlling a duty of the driving current according to the instruction signal.
    Type: Application
    Filed: May 13, 2013
    Publication date: January 9, 2014
    Applicants: WITHUSVISION Co., Ltd., SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Seob OH, Je Hyun Park, Oh Byoung Kwon, Kyoung Won Hyun, Jung Wook Hwang, Hoon Heo, Hong Soo Jung, Yong Joon Park