Patents by Inventor Jaap Josephus Maria RUIGROK

Jaap Josephus Maria RUIGROK 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).

  • MAGNETIC FIELD SENSOR SYSTEM WITH A BIASING MAGNET PRODUCING A SPATIALLY SYMMETRIC MAGNETIC FIELD WITHIN A PLANE BEING DEFINED BY MAGNETORESISTIVE SENSOR ELEMENTS
    Publication number: 20140084906
    Abstract: A magnetic field sensor system for measuring rotational movements of a shaft is disclosed. The sensor system includes a biasing magnet configured for generating a biasing magnetic field and a magnetic wheel having a wheel axis and a circumferential surface which comprises a regular structure of teeth and gaps arranged in an alternating manner. The magnetic wheel is attachable to the shaft and is magnetizable by the biasing magnetic field. A magnetoresistive sensor arrangement comprising four magnetoresistive sensor elements being connected with each other in a Wheatstone bridge, respectively two of the magnetoresistive sensor elements being assigned to one half bridge of the Wheatstone bridge. The four magnetoresistive sensor elements are arranged within an x-y plane.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 27, 2014
    Applicant: NXP B.V.
    Inventors: Jaap Josephus Maria RUIGROK, Alexe Levan NAZARIAN, Frederik Willem Maurits VANHELMONT