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Geartooth position sensor with two hall effect elements

  • US 5,304,926 A
  • Filed: 04/08/1992
  • Issued: 04/19/1994
  • Est. Priority Date: 04/08/1992
  • Status: Expired due to Term
First Claim
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1. A sensor, comprising:

  • a first magnetically sensitive device having a first output signal that is representative of the magnitude and direction of a magnet field in which said first magnetically sensitive device is disposed;

    a second magnetically sensitive device having a second output signal that is representative of the magnitude and direction of a magnetic field in which said second magnetically sensitive device is disposed;

    means, associated with said first and second magnetically sensitive devices, for disposing said first magnetically sensitive device in a magnetic field of a first direction and for disposing said second magnetically sensitive device in a magnetic field of a second direction; and

    means for adding said first and second output signals algebraically to form a third output signal, said sensor being disposed proximate a rotatable member having a surface with at least one discontinuity with said first and second magnetically sensitive devices being positioned to be sequentially proximate said discontinuity in response to movement of said rotatable member.

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