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Apparatuses and methods for using a capacitive touch controller with a conductive surface

  • US 8,835,789 B2
  • Filed: 05/18/2011
  • Issued: 09/16/2014
  • Est. Priority Date: 05/18/2010
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a surface, the surface has a conductive layer within a thickness of the surface;

    a trench, the trench is formed in the conductive layer to define a touch area, the touch area is isolated from the rest of the conductive layer; and

    a conductive pickup, the conductive pickup is mounted on a back side of the surface over the touch area and the conductive pickup is electrically connected to a capacitive touch controller, such that when a user touches the touch area on a front side of the conductive the touch controller responds to the user'"'"'s touch.

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