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THREE-DIMENSIONAL TOUCH SENSOR

  • US 20120013571A1
  • Filed: 07/11/2011
  • Published: 01/19/2012
  • Est. Priority Date: 07/16/2010
  • Status: Abandoned Application
First Claim
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1. A three-dimensional touch sensor comprising:

  • a two-dimensional capacitive touch sensor;

    a first conductive layer and a second conductive layer both below the two-dimensional capacitive touch sensor; and

    an elastic insulator sandwiched between the first and second conductive layers to establish a variable capacitor,wherein the elastic insulator deforms responsive to a pressing, and thus changes a distance between the first and second conductive layers, thereby causing a capacitance variation of the variable capacitor.

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