Patents by Inventor Do Y. Ko

Do Y. Ko 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).

  • Ghost cancelling apparatus having transversal filter for generating ghost cancelling signal and method thereof
    Patent number: 5293234
    Abstract: A ghost cancelling apparatus and method for quickly and sufficiently cancelling a ghost in a video signal, particularly a spread ghost, include performing a cross-correlation operation between the output video signal and a ghost cancelling reference signal, and correcting a filter coefficient based on the cross-correlation operation result when a remaining ghost is not less than a predetermined value, while when the remaining ghost is less than a certain value, the filter coefficient is corrected according to a least mean square method.
    Type: Grant
    Filed: December 11, 1992
    Date of Patent: March 8, 1994
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Do Y. Ko