Patents by Inventor Emil J. Bolsey

Emil J. Bolsey 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: 3932703
    Abstract: A selected area of an arbitrary image is scanned to derive analog video signals which are filtered and converted to binary signals which are compared with a signal representative of a reference image to produce a signal indicative of differences occurring between the scanned and reference images.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: January 13, 1976
    Inventor: Emil J. Bolsey