Patents by Inventor IL KYU KANG

IL KYU KANG 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 for auto focus with three-location supporting structure
    Patent number: 10054759
    Abstract: An apparatus for auto focus with a three-location supporting structure includes a first frame having a magnet; a second frame having an AF coil, configured to move the first frame in an optic-axial direction; and a plurality of balls located between the first frame and the second frame to maintain a spaced state of the first frame and the second frame, wherein among the plurality of balls, three balls have a greater size than the other balls.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: August 21, 2018
    Assignee: JAHWA ELECTRONICS CO., LTD.
    Inventors: Il Kyu Kang, Hee Seung Kim, In Soo Kim
  • APPARATUS FOR AUTO FOCUS WITH THREE-LOCATION SUPPORTING STRUCTURE
    Publication number: 20170261720
    Abstract: An apparatus for auto focus with a three-location supporting structure includes a first frame having a magnet; a second frame having an AF coil, configured to move the first frame in an optic-axial direction; and a plurality of balls located between the first frame and the second frame to maintain a spaced state of the first frame and the second frame, wherein among the plurality of balls, three balls have a greater size than the other balls.
    Type: Application
    Filed: June 24, 2016
    Publication date: September 14, 2017
    Inventors: IL KYU KANG, HEE SEUNG KIM, IN SOO KIM