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Motion tracking system

  • US 20030045816A1
  • Filed: 06/25/2002
  • Published: 03/06/2003
  • Est. Priority Date: 04/17/1998
  • Status: Abandoned Application
First Claim
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1. A method for tracking a motion of a body comprising:

  • obtaining two types of measurements associated with the motion of the body, one of the types comprising acoustic measurement;

    updating an estimate of either an orientation or a position of the body based on one of the two types of measurement; and

    updating the estimate based on the other of the two types of measurements.

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