Patents by Inventor Louis Joseph Gerardus Beriere

Louis Joseph Gerardus Beriere 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).

  • Patent number: 3968325
    Abstract: Correction of the influence of noise on the output voltage of a detection circuit for automatic frequency control by using a product demodulator with a filter having a pole at the picture intermediate frequency and a zero crossing at a frequency between a sound intermediate frequency and the picture intermediate frequency.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: July 6, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Louis Joseph Gerardus Beriere