Patents by Inventor Ronald E. Carr

Ronald E. Carr 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).

  • Patent number: 4745363
    Abstract: A non-oriented direct coupled sensor for gear teeth or similarly shaped discontinuities of a ferrous magnetic or magnetic target uses a single magnet and a direct coupled Hall cell integrated circuit to detect the presence or absence of gear teeth. The sensor incorporates techniques for flux steering and flux reversals independent of the orientation of the sensor to the target to overcome the operate or release point of a Hall switch, latch or other device. The use of spaced apart, offset flux concentrators provides a sensitive device with favorable tolerances in temperature and air gap.
    Type: Grant
    Filed: November 25, 1986
    Date of Patent: May 17, 1988
    Assignee: North American Philips Corporation
    Inventors: Ronald E. Carr, Matthew L. Schneider, Paul E. Payne