Patents by Inventor Philippe Guichard

Philippe Guichard 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 of and arrangement for converting the temporal rate of high definition television pictures and television picture decoder comprising such an arrangement
    Patent number: 4963965
    Abstract: Method of and arrangement for converting the temporal rate of high definition television pictures, in accordance with which, after the division by two of the line period in a line period changing circuit (100) and storing the fields of the picture for a working period corresponding to one period with the aid of field memories (90, 80, 70, 311), these fields are processed in parallel by simple field repetition, by taking a motion compensated half-sum and by filtering and, by the selection of one of the three field sequences thus processed e.g. with the aid of digital assistance signals provided in the HD-MAC high definition television standard. This method and device can be used in high definition television receivers.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: October 16, 1990
    Assignee: U.S. Philips Corporation
    Inventors: Mohammad-Reza Haghiri, Philippe Guichard