G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/32 (2006.01) B60Q 1/30 (2006.01) F21Q 1/00 (1990.01)
Patent
CA 2134508
HOLOGRAPHIC CHMSL WITH REFRACTIVE ELEMENT TO DIVERGE ZERO-ORDER BEAM ABSTRACT OF THE DISCLOSURE A holographic center high mounted stoplight system that includes a light source for providing a nearly colli- mated beam, an expanding lens responsive to the nearly collimated beam for providing a diverging or converging reconstruction beam, and a stoplight hologram responsive to the expanding beam for producing stoplight illumination. Also disclosed is a holographic center high mounted stop- light system that includes a light source for providing a nearly collimated beam, a light bending hologram for providing a diffracted near collimated beam, and an expand- ing stoplight lens array responsive to the diffracted near collimated beam for providing non-collimated stoplight illumination.
Hughes Aircraft Company
Sim & Mcburney
LandOfFree
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