Patents by Inventor Volker Preuss

Volker Preuss 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 testing the state of an endoscope
    Patent number: 6833912
    Abstract: An apparatus for testing the state of the optical system of an endoscope comprises a first supporting device for the endoscope, a test pattern and a second supporting device for the test pattern, wherein the test pattern comprises a pattern, which allows a check of the actual viewing direction and of the actual field of view angle within tolerance values.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: December 21, 2004
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Fang Lei, Jürgen Rudischhauser, Jörg Weitzel, Volker Preuss
  • Apparatus for testing the state of an endoscope
    Publication number: 20030100818
    Abstract: An apparatus for testing the state of the optical system of an endoscope comprises a first supporting device for the endoscope, a test pattern and a second supporting device for the test pattern, wherein the test pattern comprises a pattern, which allows a check of the actual viewing direction and of the actual field of view angle within tolerance values.
    Type: Application
    Filed: September 5, 2001
    Publication date: May 29, 2003
    Inventors: Fang Lei, Jurgen Rudischhauser, Jorg Weitzel, Volker Preuss