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PHASE SHIFT REDUCTION IN TOUCH SIGNALS

  • US 20130330017A1
  • Filed: 06/06/2012
  • Published: 12/12/2013
  • Est. Priority Date: 06/06/2012
  • Status: Abandoned Application
First Claim
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1. A method for reducing phase shifts in a touch image, comprising:

  • generating an in-phase (I) signal for the touch image, the touch image having multiple phase shifts therein;

    generating a quadrature phase (Q) signal for the touch image;

    combining the I and Q signals to reduce the phase shifts; and

    reconstructing the touch image from the combined I and Q signals.

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