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Self-referenced tracking

DC
  • US 7,301,648 B2
  • Filed: 08/10/2006
  • Issued: 11/27/2007
  • Est. Priority Date: 01/28/2000
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • mounting a sourceless orientation tracker on a user'"'"'s head,using a position tracker comprising a radiated energy detector to track a position of a first localized feature associated with a body part of the user other than the head relative to the user'"'"'s head; and

    generating data representative of the tracked position.

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