Patents by Inventor Carl Weinert

Carl Weinert 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).

  • Integrated optical circuit comprising a polarization convertor
    Patent number: 5661825
    Abstract: An integrated optical circuit comprises a first device and a second device, which devices are connected by a polarization convertor. The polarization convertor has one or more curved sections of a waveguide, integrated in the optical circuit. The conversion ratio is determined in part by the radius of curvature of the curved sections.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: August 26, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Cornelis Van Dam, Helmut Heidrich, Michael Hamacher, Carl Weinert