Patents by Inventor Erwin Ke?ler

Erwin Ke?ler 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 and device for operating an electric motor
    Patent number: 9048772
    Abstract: A method for operating an electric motor is provided, wherein a motor actuating signal is generated and transmitted to the motor. In order to reduce the noise generated by operating the motor, a suitable additional signal is generated and overlaid on the motor actuating signal when the motor actuating signal is transmitted to the motor.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: June 2, 2015
    Assignee: CONTI TEMIC MICROELECTRONIC GMBH
    Inventors: Erwin Keβler, Wolfgang Schulter