Patents by Inventor David Thomas Tennant

David Thomas Tennant 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: 5678208
    Abstract: A remote power measuring device (1) is used to measure the power output of the transmission system (20). The measured power is then transmitted to a controller (5) and used by the controller (5), along with preset calibration data (41) for each power amplifier (3), to determine power output adjustment factors (22). The adjustment factors (22) are then communicated to the appropriate power amplifier (3) to adjust its output.
    Type: Grant
    Filed: July 19, 1995
    Date of Patent: October 14, 1997
    Assignee: Motorola, Inc.
    Inventors: Rolf Ernst Kowalewski, Steven James Fillingim, David Thomas Tennant, Kirby Eric Kirchhoff