Patents by Inventor Do Hyeon Son

Do Hyeon Son 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).

  • METHOD AND DEVICE FOR ADJUSTING TILT OF RECORDING MEDIUM
    Publication number: 20110058459
    Abstract: A tilt control method of a recording medium comprises fixing the recording medium to a recording reproducing apparatus; performing first tilt compensation in a state that the recording medium is stopped; and performing second tilt compensation in a state that the recording medium in which the first tilt compensation has been performed is rotated.
    Type: Application
    Filed: April 16, 2009
    Publication date: March 10, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Bong Sik Kwak, Jeong Kyo Seo, Seong Hun Lee, Do Hyeon Son
  • Apparatus and method for recording/reproducing data on/from a recording medium
    Patent number: 7808866
    Abstract: There is provided an apparatus for recording/reproducing data on/from a recording medium including: a pickup unit including an objective lens and a solid immersion lens(SIL) to allow a light to be incident onto a recording medium; a photoelectric element for receiving the light reflected from the recording medium to output a controlling signal; and a controller to control the pickup unit using the controlling signal outputted from the photoelectric element, wherein the controlling signal includes a tilting error signal by skew of the recording medium.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: October 5, 2010
    Assignee: LG Electronics, Inc.
    Inventors: Jeong Uk Lee, Jeong Kyo Seo, Yun Sup Shin, Do Hyeon Son