Patents by Inventor Cheol-Gyoon Oh

Cheol-Gyoon Oh 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 apparatus for restoring sync data in a digital video disc playback system
    Patent number: 5946443
    Abstract: A sync data restoring method and apparatus restores data recorded on a digital video disc (DVD) despite damaged sync data in a digital video disc playback system. The method and apparatus determines whether sync data is normal or not using a window signal and substitutes quasi sync data for abnormal sync data when sync data is abnormal in the DVD playback system, to enable accurate reproduction of data despite damaged sync data in a DVD playback system.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: August 31, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Cheol-Gyoon Oh