Patents by Inventor Richard Joseph Sypula

Richard Joseph Sypula 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).

  • Video noise reduction circuit
    Patent number: 4009334
    Abstract: In a method and apparatus for reducing noise in a video signal, the low-frequency component is extracted from the video signal by filtering; the low-frequency component is then subtracted from the video signal to yield a high-frequency component; the high-frequency component is cored to remove the low-amplitude portions therefrom; and the cored high-frequency component is combined with the low-frequency component to produce a video signal having reduced noise.
    Type: Grant
    Filed: March 17, 1976
    Date of Patent: February 22, 1977
    Assignee: Eastman Kodak Company
    Inventor: Richard Joseph Sypula