Patents by Inventor Steven L. Geerlings

Steven L. Geerlings 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).

  • Flux-gate sensor electrical drive method and circuit
    Patent number: 4677381
    Abstract: An electrical drive dircuit for a flux-gate magnetic sensor used in a digital compass for a vehicle provides signals for application to the primary of a flux-gate sensor to assure the core is saturated at a predetermined time during each cycle of the drive signal.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: June 30, 1987
    Assignee: Prince Corporation
    Inventor: Steven L. Geerlings