Patents by Inventor David Culverhouse

David Culverhouse 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).

  • Optical carrier generation using stimulated brillouin scattering
    Patent number: 5383207
    Abstract: Apparatus for producing signal frequency shifts by stimulated Brillouin scattering comprises a pair of optical fibres (112,113) or a single high birefringence fibre which are illuminated by a laser beam to generate two back-scattered signals by stimulated Brillouin scattering and a mixer (117) to combine the two back-scattered signals to produce a beat frequency from the combined signals.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: January 17, 1995
    Assignee: British Technology Group Limited
    Inventors: David Culverhouse, Faramarz Farahi, David A. Jackson, Christopher N. Pannell, Ralph P. Tatam