Patents by Inventor Andre Liebetrau

Andre Liebetrau 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).

  • Method for verifying the authenticity of an image recorded in a person identifying process
    Patent number: 6922478
    Abstract: The present invention relates to a method for verifying the authenticity of an image recorded in a person identifying process and belonging to a person to be identified, the method comprising the steps of recording a sequence of consecutive individual images of the person and determining the authenticity of the recorded image if at least in two consecutive individual images of the sequence intrinsic movements are detected, i.e. movements which are carried out by the person to be identified consciously or unconsciously and without changes in his or her center of gravity.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: July 26, 2005
    Assignee: ZN Vision Technologies AG
    Inventors: Wolfgang Konen, Michael Brauckmann, Andre Liebetrau