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Capacitive sensor for sensing tactile and proximity, and a sensing system using the same

  • US 20080174321A1
  • Filed: 01/19/2007
  • Published: 07/24/2008
  • Est. Priority Date: 01/19/2007
  • Status: Active Grant
First Claim
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1. A capacitive sensor comprisingan upper electrode layer wherein a plurality of electrodes are disposed in line with each other;

  • a lower electrode layer wherein a plurality of electrodes are disposed in line with each other; and

    an insulating layer disposed between said upper electrode layer and said lower electrode layer,the capacitive sensor detecting the proximity of approaching objects by the capacitance change between the electrodes of the upper electrode layer, and detecting the contact of any object by the capacitance change between the electrode of the upper electrode layer and the electrode of the lower electrode layer.

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