Patents by Inventor Bob Plonkn

Bob Plonkn 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).

  • System and method for controlling a transmitter frequency
    Patent number: 6281935
    Abstract: A system and method for controlling the frequency of a signal being transmitted wherein the frequency of the signal received at the transmitter site is error corrected before being broadcast. The error in the frequency may be developed and applied to the intermediate frequency upconversion and/or the channel upconversion to reduce or eliminate the effects of the error. In the system and method, a pilot frequency signal can be added to the signal to be broadcast after the signal to be broadcast has been shaped and filtered.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: August 28, 2001
    Assignee: Harris Corporation
    Inventors: Ed Twitchell, Bob Davis, David Danielsons, Bob Plonkn