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US 2003/0153835 A1Published application
Image projecting device
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsMitsuyoshi Watanabe, Shoji Yamada
Life of this patent
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Abstract
A wavefront curvature modulating device is provided with a beam generating system that emits a plurality of beams having different wavefront curvatures, and a beam selecting system that selects at least one of the beams generated by the beam generating system.
Claims22
A wavefront curvature modulating device, comprising:
- a beam generating system that emits a plurality of beams having different wavefront curvatures;
- and
- a beam selecting system that selects at least one of the beams generated by said beam generating system.
A retinal display device having a wavefront curvature modulating device, said wavefront curvature modulating device including:
- a beam generating system that emits a plurality of beams having different wavefront curvatures;
- and
- a beam selecting system that selects at least one of the beams generated by said beam generating system.
Dependencies are inferred from the claim text.