Patents by Inventor Gareth John Richard Bath

Gareth John Richard Bath 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).

  • Transmitter/receiver for a TDMA system using common IF SAW filter
    Patent number: 5701594
    Abstract: A radio frequency circuit for a TDMA mobile telephone system allows bulky and expensive IF filters to be saved by sharing common filters between transmit and receive channels by automatic switching of bidirectional SAW filters.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: December 23, 1997
    Assignee: Nokia Mobile Phones Limited
    Inventors: Gareth John Richard Bath, Steven Richard Ring