Self-referenced tracking

  • US 6,757,068 B2
  • Filed: 01/26/2001
  • Issued: 06/29/2004
  • Est. Priority Date: 01/28/2000
  • Status: Active Grant
First Claim
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1. A method comprisingmounting 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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