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METHOD AND DEVICE FOR CAPACITIVE POSITION DETECTION

  • US 20120075245A1
  • Filed: 11/30/2011
  • Published: 03/29/2012
  • Est. Priority Date: 10/09/2009
  • Status: Active Grant
First Claim
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1. A method for capacitive position detection, comprising:

  • obtaining a 2-D sensing information;

    obtaining at least one 1-D sensing information, wherein each value of the at least one 1-D sensing information is generated based on the sum of a part of the 2-D sensing information respectively;

    determining at least one detected range in the 2-D sensing information based on the at least one 1-D sensing information when a capacitive sensing device is being touched or approached; and

    determining each touch related sensing information in the at least one detected range.

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