Patents by Inventor William Pickering, Jr.

William Pickering, 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).

  • Improved driver circuitry for multiple sensors
    Patent number: 5321252
    Abstract: Improved Driver circuitry for multiple combination LED/silicon detector sensors arranged in an array or scattered in a machine, wherein the LEDs and detectors are connected in a matrix arrangement to common busses to reduce the number of connections and minimize interference. Grounding gates are toggled "ON" and "OFF" prior to actuating the driver circuitry to reduce the presence of live voice.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: June 14, 1994
    Assignee: Pitney Bowes Inc.
    Inventors: William Pickering, Jr., Christopher S. Riello, Robert J. Tolmie, Jr., Mark W. Van Gorp