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Self-referenced tracking

  • US 20020024675A1
  • Filed: 01/26/2001
  • Published: 02/28/2002
  • Est. Priority Date: 01/28/2000
  • Status: Active Grant
First Claim
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1. A method comprising mounting a sourceless orientation tracker on a user'"'"'s head, and using a position tracker to track a position of a first localized feature associated with a limb of the user relative to the user'"'"'s head.

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