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SCAN SEQUENCE GENERATOR

  • US 20120280932A1
  • Filed: 07/19/2012
  • Published: 11/08/2012
  • Est. Priority Date: 01/03/2007
  • Status: Active Grant
First Claim
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1. A method of detecting events with a touch sensor panel device comprising:

  • applying stimulation signals having multiple different frequencies to a first touch sensing node of the touch sensor panel device to detect a position of an object touching the touch sensor panel device at or near the first touch sensing node;

    sensing an output of the first touch sensing node for each frequency of the stimulation signal that was applied to the first touch sensing node to thereby provide multiple outputs;

    utilizing the multiple outputs to determine the position of touch, near touch or hover location on the touch sensor panel device; and

    selecting at least one of the multiple different frequencies based on a noise environment.

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