Patents by Inventor Timothy J. Schaffer

Timothy J. Schaffer 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).

  • Wideband multi-channel digital radio frequency memory
    Patent number: 4928104
    Abstract: A multiplexed multi-channel DRFM is disclosed including at least one input and output mixer, D/A and A/D conversion means and a random access memory for receiving digital representations of the incoming RF pulse. A channel detector responsive to the frequency of the incoming pulse and an N channel switch responsive to the channel detector selectively connects one of a plurality of local oscillators to the DRFM mixers as the frequency of the incoming RF pulse changes with time.
    Type: Grant
    Filed: December 23, 1988
    Date of Patent: May 22, 1990
    Assignee: Westinghouse Electric Corp.
    Inventor: Timothy J. Schaffer