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Method for palm touch identification in multi-touch digitizing systems

  • US 20090095540A1
  • Filed: 10/06/2008
  • Published: 04/16/2009
  • Est. Priority Date: 10/11/2007
  • Status: Abandoned Application
First Claim
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1. A method for classifying input to a multi-touch sensitive digitizer that is obtained from a body part as inputs invalid for user interaction and inputs valid for user interaction, the method comprising:

  • identifying a plurality of discrete regions of input to a digitizer sensor;

    determining spatial relation between at least two of the regions; and

    classifying one of the at least two regions as either valid input region or invalid input region based on the spatial relation determined between the at least two regions.

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