Patents by Inventor Detlef E. Roever

Detlef E. Roever 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).

  • Patent number: 6157730
    Abstract: A visual inspection system particularly designed for imaging relatively non-rigid materials. In order to identify defects and the position of defects and the position of defects on the material. The arrangement is particularly designed for handling leather hide. Defects in leather hide are presently identified by manual inspection. The present invention provides a visual inspection system for non-rigid materials comprising a mounting means for mounting a sample of the material, tensioning means for tensioning at least an area of the sample, an imaging means (3) for obtaining an image of the area of the sample under tension and processing means for processing the image to provide information on any defects which may exist.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: December 5, 2000
    Inventors: Detlef E. Roever, Wei Wen, Hartmut Kaebernick, Khoi Hoang