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TOUCH SCREEN FINGER TRACKING ALGORITHM

  • US 20100245286A1
  • Filed: 03/25/2010
  • Published: 09/30/2010
  • Est. Priority Date: 03/25/2009
  • Status: Abandoned Application
First Claim
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1. A method for tracking the paths of multiple objects across the surface of a capacitive touch screen using capacitive sensing of rows and columns therefore, comprising the steps of:

  • storing historical information for the coordinate location of a first object;

    determining with a first determining step the potential coordinate location for both the first object and a second object at a current and given time; and

    determining with a second determining step which of the potential coordinate locations is associated with the first object at the given time based on the stored historical information.

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