Patents by Inventor Frederick E. Thau

Frederick E. Thau 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: 4315316
    Abstract: A current monitoring scheme operates in an indirect fashion to estimate the current output of a circuit from a measured voltage output. Voltage data is processed in accord with state variable theory to derive a current estimate without direct sensing of the current.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: February 9, 1982
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Victor B. Boros, Frederick E. Thau