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Apparatus and methods for hand motion tracking and handwriting recognition

  • US 6,831,632 B2
  • Filed: 04/09/2001
  • Issued: 12/14/2004
  • Est. Priority Date: 04/09/2001
  • Status: Expired due to Term
First Claim
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1. Apparatus for handwriting recognition comprising:

  • a hand-held device comprising at least one accelerometer providing an acceleration indicating output;

    computation circuitry receiving said acceleration indicating output, discarding user specific components from said acceleration indicating output from said at least one accelerometer and providing a non-user specific output; and

    a handwritten character recognizer receiving said non-user specific output and employing said non-user specific output for providing a character recognition output indication.

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