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Force sensing device

  • US 20020178831A1
  • Filed: 05/28/2002
  • Published: 12/05/2002
  • Est. Priority Date: 05/29/2001
  • Status: Active Grant
First Claim
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1. A force sensing device comprises a magnetised member mounted on a substrate, a magneto-electrical material mounted on the substrate such that the magneto-electrical material is subjected to the magnetic field generated by the magnetised member, a movable member mounted for movement in response to an applied force, movement of the movable member causing a change in the magnetic field experienced by the magneto-electrical material, and an electrical property of the magneto-electrical material changing in response to changes in the magnetic field experienced by the magneto-electrical material due to movement of the movable member.

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