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Apparatus and method for motion detection in three dimensions

  • US 20060017690A1
  • Filed: 07/22/2004
  • Published: 01/26/2006
  • Est. Priority Date: 07/22/2004
  • Status: Abandoned Application
First Claim
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1. An apparatus for sensing motion of a computer pointing device, comprising:

  • a housing manipulatable by a user;

    piezoelectric crystals, in said housing, oriented in orthogonal directions relative to each other;

    means connected to each crystal for detecting crystal deformation resulting from experienced acceleration; and

    means connected to said means for detecting for converting crystal deformation to control signals adapted to locate an object in a desired position.

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