Patents by Inventor Hanns-Jurgen Buschelberger

Hanns-Jurgen Buschelberger 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: 5214488
    Abstract: An open loop fiber optic rotation rate sensor of the type that is subject to bias errors arising from the coupling of disturbing signals into the input of a demodulator. Such errors are suppressed by the use of a demodulation signal that is statistically independent of all signal sources that may cause disturbing signals. A modulation signal generator includes a random number generator from which two signals (b.sub.0, b.sub.1) for a statistically alternating bias for activating optimal working points on the interferometer characteristic with positive or negative gradient and an appropriately matched demodulation signal (d) are derived. The demodulation signal, after transit time correction, acts upon the synchronous input of the synchronous demodulator.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: May 25, 1993
    Assignee: LITEF GmbH
    Inventors: Hanns-Jurgen Buschelberger, Gunter Spahlinger