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Iterative method for determining touch location

  • US 20060152499A1
  • Filed: 01/10/2005
  • Published: 07/13/2006
  • Est. Priority Date: 01/10/2005
  • Status: Active Grant
First Claim
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1. A method for detecting a touch location on a touch sensitive device having a touch plate and a plurality of vibration sensors configured to sense vibrations propagating in the touch plate, the method comprising:

  • generating signals responsive to the vibrations, the vibrations caused by a touch to the touch plate; and

    determining the touch location, comprising;

    approximating the touch location;

    adjusting the signals using the approximate touch location; and

    determining the touch location using the adjusted signals.

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