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CONTACT TRACKING AND IDENTIFICATION MODULE FOR TOUCH SENSING

  • US 20090244031A1
  • Filed: 04/10/2009
  • Published: 10/01/2009
  • Est. Priority Date: 01/26/1998
  • Status: Active Grant
First Claim
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1. A method for controlling a computing system based on input from a touch sensitive surface comprising:

  • tracking multiple independent chords each chord associated with distinguishable synchronized contacts, wherein the contacts from two or more of the multiple independent chords correspond to touch devices on or near the surface at about the same time, and wherein each contact is associated with at least a shape and a position; and

    performing at least one bimanual manipulation based on the detected chords.

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