Patents by Inventor Thomas W. Ritchey, Jr.

Thomas W. Ritchey, Jr. 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: 4270150
    Abstract: Apparatus is disclosed for recording video information signals on magnetic media by sampling the information signal and converting the samples to a plurality of component digital data streams which are simultaneously recorded on separate surfaces of a disc pack associated with a generally standard computer disc drive and for thereafter reproducing the plurality of digital data streams and recombining the same in a manner whereby the analog video information signal is reconstructed.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: May 26, 1981
    Assignee: Ampex Corporation
    Inventors: Joachim P. Diermann, Thomas W. Ritchey, Jr.