Patents by Inventor Juergen Jendroska

Juergen Jendroska 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 the determination of rotational speed
    Patent number: 4641519
    Abstract: A device for determining the rotational speed of a rotating component, in particular of a brake disc (1) of an automotive vehicle brake, the brake disc (1) containing recesses (2) shaped at preferably regular distances and lying opposite to a probe. A contact element (5) is provided as the probe which is adapted to move into abutment on the brake disc (1) and which, when overriding each recess (2), will interrupt an electric circuit comprising an evaluation circuit.
    Type: Grant
    Filed: July 15, 1985
    Date of Patent: February 10, 1987
    Assignee: Alfred Teves GmbH
    Inventors: Hans-Christof Klein, Ulrich Armonier, Hermann Oesterle, Juergen Jendroska