Patents by Inventor Werner Wolfrum

Werner Wolfrum 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 AND METHOD FOR ACTUATING AND DIAGNOSING STEPPER MOTORS
    Publication number: 20120139454
    Abstract: A device for actuating and diagnosing at least two stepper motors, wherein each of the stepper motors has at least two windings, each of the first windings of the stepper motors and the second windings of the stepper motors are connected in series by a first line and a second line respectively. At least one diagnosis unit is provided, by which electrical parameters and/or changes in the values thereof are measured in the first and/or second line, and the at least one diagnosis unit is implemented such that the function of the stepper motors is analyzed using the measured parameters and/or the changes in value thereof.
    Type: Application
    Filed: August 10, 2010
    Publication date: June 7, 2012
    Applicant: CONTI TEMIC MICROELECTRONIC GMBH
    Inventors: Thomas Roessler, Werner Wolfrum