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Capacitive touch switch

  • US 8,168,908 B2
  • Filed: 10/24/2008
  • Issued: 05/01/2012
  • Est. Priority Date: 10/24/2007
  • Status: Active Grant
First Claim
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1. A capacitive touch switch, comprising:

  • a panel formed of a metal material;

    a sensor area formed of a plate of metal material disposed in said panel;

    an electrically insulating element disposed between said plate and said panel;

    a printed circuit board disposed at a distance behind said panel;

    a capacitive sensor element being disposed between said panel and said printed circuit board, in electrically conductive contact with said printed circuit board and associated with said plate in said panel at a distance from said plate; and

    a non-conductive insulating body disposed between said plate and said capacitive sensor element.

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