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Touch technology

  • US 20060278444A1
  • Filed: 06/14/2004
  • Published: 12/14/2006
  • Est. Priority Date: 06/14/2003
  • Status: Abandoned Application
First Claim
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1. A touchpad comprising a supporting medium supporting a plurality of spaced apart conductors in which there is no electrical contact between the conductors, each conductor being sensitive to the proximity of a finger to modify the capacitance of said conductor to detect the presence of said finger positioned close to that conductor, the touchpad further comprising a means to concentrate electric field between conductors towards the plane of the supporting medium.

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