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Touch sensor system with memory

  • US 8,405,527 B2
  • Filed: 02/26/2010
  • Issued: 03/26/2013
  • Est. Priority Date: 02/27/2009
  • Status: Active Grant
First Claim
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1. A method of monitoring a plurality of touch areas of a touch sensor assembly, said method comprising:

  • identifying a first signal of a plurality of signals that exceeds a threshold level for a first time interval, each one of said plurality of signals corresponding to a different one of said plurality of touch areas, said first signal corresponding to a first touch area of said plurality of touch areas;

    determining whether said first touch area corresponds to a first multifunction key;

    starting a single key timer based on a result of said determination; and

    providing a code representative of said first signal when said single key timer expires or when said first signal no longer exceeds said threshold level.

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