Patents by Inventor Christa Berger

Christa Berger 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).

  • Topographical camera operable by applying a grid-generated Moire image onto a CCD image sensor
    Patent number: 4939380
    Abstract: A camera for recording the topography of a specimen surface by generation of a Moire image with the aid of an object grid applied on the object, and which includes a CCD sensor with a reference grid (8) which is applied as a physical grid structure directly on the light incidence surface (4) of the CCD sensor.
    Type: Grant
    Filed: May 3, 1989
    Date of Patent: July 3, 1990
    Assignee: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    Inventors: Christa Berger, Heinrich Hofler, Otmar Fichter