Patents by Inventor Uwe Eberhardt

Uwe Eberhardt 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).

  • Apparatus for generating optical waves polarized orthogonally relative to one another from an incoming optical wave
    Patent number: 5078511
    Abstract: An apparatus for generating optical waves which are polarized orthogonally relative to each other from an incoming optical wave for enabling polarization-independent, optical superheterodyne reception has an integrated optical Mach-Zender interferometer which is preceded by an integrated optical directional coupler or by a waveguide fork and is followed by an integrated optical directional coupler.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: January 7, 1992
    Assignee: Siemens Aktiengesellschaft
    Inventors: Bernd Noll, Uwe Eberhardt