Patents by Inventor Roland Ehm

Roland Ehm 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).

  • Arrangement for identification of a movable object having a transponder
    Patent number: 5719550
    Abstract: An arrangement for identifying a movable object includes a transponder disposed on the movable object and including an electrical memory that can be read out in a wireless manner by an electrical interrogating device which is disposes in proximity of the object. A sensor arrangement is disposed on the object and electrically linked to the transponder for writing a read-out-capable status information into the memory in response to irregular or unauthorized use of the object.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: February 17, 1998
    Assignees: Licentia Patent Verwaltungs-GmbH, Mercedes Benz AG
    Inventors: Werner Bloch, Roland Ehm, Axel-Michael Fruhwald, Valentin Hautle, Johannes Hecht, Dietbert Kollbach, Peter Robitschko, Christian Schenk, Hardy Strobel