Back to results
US 7,301,648 B2Granted
Self-referenced tracking
AssigneeInterSense, Inc.
InventorEric Foxlin
Life of this patent
Estimating the term…
Abstract
A new tracking technique is essentially “sourceless” in that it can be used anywhere with no set-up, yet it enables a much wider range of virtual environment-style navigation and interaction techniques than does a simple head-orientation tracker. A sourceless head orientation tracker is combined with a head-worn tracking device that tracks a hand-mounted 3D beacon relative to the head. The system encourages use of intuitive interaction techniques which exploit proprioception.
Claims44
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.
1 more element
A method comprising:
- mounting a first sourceless orientation tracker on a user's head;
- mounting a second sourceless orientation tracker on a body part of the user other than the user's head;
- and
- utilizing angular rate and linear acceleration signals from said first and second trackers to derive a differential inertial signal representative of a motion of the body part relative to the head.
1 more element
Dependencies are inferred from the claim text.