Patents by Inventor William D. Jacobson

William D. Jacobson 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).

  • Capacitive sensor motor control system
    Patent number: 4463299
    Abstract: A servo motor system including a position sensor located within the motor air gap to virtually eliminate mechanical compliance in the servo loop. The transducer is of a capacitive type including interleaved capacitive plates and is designed to be substantially insensitive to the magnetic field of the motor.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: July 31, 1984
    Assignee: Kollmorgen Technologies Corporation
    Inventors: Lawrence W. Langley, Leonard N. Wedman, William D. Jacobson