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APPARATUS AND METHOD FOR DETECTING A TOUCH

  • US 20140240291A1
  • Filed: 11/17/2011
  • Published: 08/28/2014
  • Est. Priority Date: 10/05/2011
  • Status: Active Grant
First Claim
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1. An apparatus for detecting touch comprising:

  • a touch element comprising a plurality of touch detecting electrodes arranged therein; and

    a touch element controller for acquiring detection signals from the touch detection electrodes and determining presence of touch in the touch element,wherein the touch element controller comprises,a receiving unit for receiving the detection signals from the touch detection electrodes and grouping the detection signals into one or more detection signal groups;

    a memory for storing a detection signal value limit;

    a signal extracting unit for extracting the maximum detection value out of the detection signal values of the detection for each of the detection signals;

    a calculating unit for calculating an adjustment variable by deducting the detection signal value limit from the maximum detection signal value for each of the detection groups; and

    a touch determination unit for determining presence of touch in the touch element, using the adjustment variable.

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