Patents by Inventor William Ficken

William Ficken 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).

  • Permanent magnetic motor common leg impedance compensation means
    Patent number: 4492902
    Abstract: A motor for an inertial sensing instrument includes a permanent magnet rotor and a stator having a driving winding inductively coupled to a sensing winding, with both windings connected to a common impedance. A feedback arrangement is provided which compensates for noise inducted by the common impedance in a sensing signal provided by the sensing winding.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: January 8, 1985
    Assignee: Allied Corporation
    Inventors: William Ficken, Jerome Sears, Walter Parfomak