Patents by Inventor Frank Oldendorf

Frank Oldendorf 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).

  • Device for forming X-ray images
    Patent number: 5602889
    Abstract: A device for forming X-ray images, includes an X-ray source for generating an X-ray beam, a photoconductor for converting X-rays into a charge pattern, which photoconductor is provided on a rotationally symmetrically constructed rotatable carrier, a charging device for uniformly charging the surface of the rotating photoconductor prior to the X-ray exposure, a reading unit for converting the charge pattern on the surface of the rotating photoconductor into electric image values after an X-ray exposure, and a housing for the rotating parts which includes an area which is transparent to X-rays.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: February 11, 1997
    Assignee: U.S. Philips Corporation
    Inventors: Frank Oldendorf, Heinz Haarmann, Anja Libera, Gerd Spitzmann