Patents by Inventor Hermann-Stephan Buchkremer

Hermann-Stephan Buchkremer 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).

  • Large display composite holograms and methods
    Patent number: 5973807
    Abstract: A composite hologram comprises a plurality of hologram tiles arranged for display, each of said hologram tiles formed by exposing each of a plurality of different unexposed photographic plates simultaneously to light scattered by an intermediate hologram using a conjugate complex of a first reference wave from a coherent light source and to a second reference wave from said coherent light source.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: October 26, 1999
    Assignee: Rocky Research
    Inventors: Hermann-Stephan Buchkremer, Uwe Rockenfeller
  • Large display composite holograms and methods
    Patent number: 5734485
    Abstract: A composite hologram incorporates a plurality of hologram tiles arranged for display, each of the hologram tiles formed by exposing each of a plurality of different unexposed photographic plates simultaneously to light scattered by an intermediate hologram using a conjugate complex of a first reference wave from a coherent light source and to a second reference wave from the coherent light source.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: March 31, 1998
    Assignee: Rocky Research
    Inventors: Hermann-Stephan Buchkremer, Uwe Rockenfeller