Capacitive Touch Screen with Noise Suppression

  • US 20100044122A1
  • Filed: 04/10/2009
  • Published: 02/25/2010
  • Est. Priority Date: 04/10/2008
  • Status: Active Grant
First Claim
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1. A capacitive touch sensor comprising a touch sensitive panel having a plurality of drive electrodes arranged on one side of a substrate in a first layer and a plurality of sense electrodes arranged on the other side of the substrate in a second layer so that the sense electrodes cross the drive electrodes at a plurality of intersections offset from each other by the thickness of the substrate, wherein the drive electrodes substantially entirely cover the first layer with individual ones of the drive electrodes being separated from neighboring drive electrodes by small gaps.

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