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METHOD OF UPDATING BASELINE OUTPUT VALUES OF TOUCH PANEL

  • US 20120262395A1
  • Filed: 04/10/2012
  • Published: 10/18/2012
  • Est. Priority Date: 04/12/2011
  • Status: Abandoned Application
First Claim
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1. A method of updating baseline output values of a touch-sensing panel, the touch-sensing panel comprising a plurality of first-directional lines and a plurality of second-directional lines, the first-directional line and second-directional lines arranged intersecting one another, so as to form a sensing grid with a plurality of sensing nodes, the method comprising the steps of:

  • performing a first scan when the touch-sensing panel is not touched, so as to obtain a plurality of first baseline output values on the sensing nodes;

    performing a second scan after the touch-sensing panel is touched, so as to obtain a plurality of touch output values on the sensing nodes; and

    updating the baseline output values on the sensing nodes based on a threshold, the first baseline output values, and the touch output values.

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