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DIGITIZER, STYLUS AND METHOD OF SYNCHRONIZATION THEREWITH

  • US 20100155153A1
  • Filed: 12/21/2009
  • Published: 06/24/2010
  • Est. Priority Date: 12/22/2008
  • Status: Active Grant
First Claim
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1. A method for operating a digitizer with an autonomous asynchronous stylus, the method comprising:

  • sampling outputs from a digitizer;

    detecting from the outputs at least one pulsed signal transmitted from an autonomous asynchronous stylus at a defined rate;

    determining a location of the stylus interaction with respect to the digitizer;

    andtracking stylus interaction with the digitizer over subsequent pulsed signals transmitted from the stylus.

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