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ACOUSTIC CONDITION SENSOR EMPLOYING A PLURALITY 0F MUTUALLY NON-ORTHOGONAL WAVES

  • US 20100117993A1
  • Filed: 01/13/2010
  • Published: 05/13/2010
  • Est. Priority Date: 08/12/1996
  • Status: Active Grant
First Claim
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1. A touch input system, comprising:

  • a surface which is neither planar nor a small solid angle section of a sphere, adapted to receive a touch input from a human finger;

    a sensor adapted to detect a touch and produce at least one signal representing a unique position of the touch input on the surface;

    a processor, adapted to receive the at least one signal and produce an output representing a touch detection and a mapping of a coordinate position on the surface.

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