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Method and device for capacitive position detection

  • US 8,587,555 B2
  • Filed: 10/08/2010
  • Issued: 11/19/2013
  • Est. Priority Date: 10/09/2009
  • Status: Active Grant
First Claim
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1. A method for capacitive position detection, comprising:

  • providing a capacitive sensing device including a plurality of sensors that include a plurality of first sensors and a plurality of second sensors, wherein these first and second sensors overlap at a plurality of overlapping points;

    detecting each touch related sensor;

    determining at least one range of mutual capacitance detection based on all the touch related sensors;

    performing a mutual capacitance detection on the at least one range of mutual capacitance detection to determine a sensing information of the at least one range of mutual capacitance detection; and

    generating a 2-D sensing information based on the sensing information of the at least one range of mutual capacitance detection.

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