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Advanced Receive Channel Architecture

  • US 20100060589A1
  • Filed: 09/10/2008
  • Published: 03/11/2010
  • Est. Priority Date: 09/10/2008
  • Status: Active Grant
First Claim
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1. A method of scanning a touch sensor panel, comprising:

  • demodulating a summation of a first plurality of signals received from a plurality of sense lines of the touch sensor panel with a plurality of sample frequency signals using a first plurality of signal mixers; and

    demodulating a second plurality of signals received from the plurality of sense lines with a demodulation frequency using the plurality of signal mixers;

    wherein the first plurality of signal mixers perform demodulation in multiple time periods.

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