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MULTI-TOUCH INPUT DISCRIMINATION

  • US 20160110027A1
  • Filed: 12/30/2015
  • Published: 04/21/2016
  • Est. Priority Date: 01/03/2007
  • Status: Active Grant
First Claim
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1. A method to identify an input to a touch-surface device, comprising:

  • obtaining a proximity image;

    segmenting the proximity image to identify one or more patches;

    generating a proximity sensor signal when an object is proximate the proximity sensor; and

    determining a signal density value for at least one of the one or more patches; and

    using the signal density value and the proximity sensor signal to determine the existance of an object adjacent to or in contact with the touch surface device.

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