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TOUCH SENSOR FOR A DISPLAY SCREEN OF AN ELECTRONIC DEVICE

  • US 20090135156A1
  • Filed: 11/23/2007
  • Published: 05/28/2009
  • Est. Priority Date: 11/23/2007
  • Status: Abandoned Application
First Claim
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1. A touch sensor for mounting over a display screen of an electronic device, comprising:

  • an elongate input pad formed in a layer of transparent conductive material on a transparent substrate, the input pad tapering from a broad end to a narrow end to provide an input pad capacitance that varies with location of a touch over the input pad; and

    ,a contact for coupling the input pad to a processor.

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