Patents by Inventor Mary Jo W. Shalkauser

Mary Jo W. Shalkauser 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).

  • Real-time data compression of broadcast video signals
    Patent number: 5057917
    Abstract: A non-adaptive predictor, a nonuniform quantizer and a multi-level Huffman coder are incorporated into a differential pulse code modulation system for coding and decoding broadcast video signals in real time.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: October 15, 1991
    Assignee: The United States of America as represented by the administrator of the National Aeronautics and Space Administration
    Inventors: Mary Jo W. Shalkauser, Wayne A. Whyte, Jr., Scott P. Barnes