Back to results
US 6,554,430 B2Granted
Volumetric three-dimensional display system
AssigneeActuality Systems, Inc.
InventorsRick K. Dorval, Michael Thomas, Jane L. Bareau
Life of this patent
Estimating the term…
Abstract
The invention features a volumetric display system including an optical relay, a motor, a support structure coupled to the motor, a projection screen disposed on the support structure, and a projection optic. During operation, the projection optic receives a light beam from the optical relay and projects the light beam onto the projection screen. Also, the motor rotates the support structure, the projection screen, and the projection optic about a rotation axis.
Claims21
A system comprising:
- an optical relay having a relay lens and a field lens;
- a motor;
- a support structure coupled to the motor;
- a projection screen disposed on the support structure;
- and
- a projection lens positioned on a rotation axis,
- wherein during operation the relay lens receives a light beam from a light source and relays the light beam to the field lens, the field lens relays the light beam to the projection lens which projects the light beam onto the projection screen, and the motor rotates the support structure, the projection screen, and the projection lens about the rotation axis.
4 more elements
A method, comprising:
- rotating a projection optic and a projection screen about a rotation axis;
- supplying a light beam from a stationary light source;
- and
- projecting the light beam through the projection lens onto the projection screen, and
- tilting the projection lens so that a lens axis thereof defines an angle with the rotation axis, the angle being no more than about 10 degrees.
2 more elements
A system, comprising:
- an optical relay;
- a motor;
- a support structure coupled to the motor;
- a projection screen disposed on the support structure;
- and
- a projection lens having a lens axis, the projection lens being positioned on a rotation axis such that the lens axis and the rotation axis define an angle, the angle being no more than about 10 degrees,
- wherein during operation the projection lens receives a light beam from the optical relay and projects the light beam onto the projection screen, and the motor rotates the support structure, the projection screen, and the projection lens about the rotation axis.
4 more elements
Dependencies are inferred from the claim text.