Patents by Inventor Benjamin Frederick Weigand

Benjamin Frederick Weigand 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).

  • Frequency hopping radio transmitter apparatus and method providing very high communication security
    Patent number: 6028885
    Abstract: A radio transmitter is structured to provide frequency hopping of transmitted leakage signals in addition to RF hopping of the RF output signal. A digital computer controls a digital tuner, a TLO, a FLO, and an IF unit to provide the RF hopping and to provide digital-tuner frequency hopping and IF hopping thereby enabling the frequency hopping of transmitted leakage digital tuner and IF signals.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: February 22, 2000
    Assignee: Northrop Grumman Corporation
    Inventors: Ronald William Minarik, Kenneth Martin Schmidt, Benjamin Frederick Weigand, Walter Mathias Dirndorfer