Touch panel system and method for distinguishing multiple touch inputs

  • US 20030063073A1
  • Filed: 10/03/2001
  • Published: 04/03/2003
  • Est. Priority Date: 10/03/2001
  • Status: Active Grant
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First Claim
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1. A method for distinguishing between two or more temporally overlapping touch inputs in a touch screen system comprising:

  • (a) measuring signals caused by the two or more touch inputs;

    (b) measuring positional data for the touch inputs;

    (c) determining whether any of the signals exceeds a minimum threshold for a single touch input;

    (d) determining whether any of the signals exceeds a maximum threshold for a single touch input; and

    (e) calculating and reporting to the touch screen system a touch location using positional data that corresponds to any of the signals that exceeds the minimum threshold but that does not exceed the maximum threshold.

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