Patents by Inventor Ralph Bergh

Ralph Bergh 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).

  • Fiber optic gyroscope with deadband error reduction
    Patent number: 5999304
    Abstract: A deadband error reducer for a fiber optic gyroscope, which is an offset modulation signal that averages the deadband producing error over the range of the feedback modulation signal provided to the phase modulator. Although the offset modulation signal may be introduced at any of several points in the feedback loop, the offset modulation must approximate a critical amplitude at the phase modulator. If the offset modulation is a signal having segments that are linear with time, the critical amplitude of this signal will be 2.pi..
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: December 7, 1999
    Assignee: Honeywell, Inc.
    Inventors: Glen Sanders, Rudy Dankwort, Lee Strandjord, Ralph Bergh