Projecting apparatus

Details Projecting apparatus Projecting apparatus

1979-03-23

1981-09-15

Stephan, Steven L.

Optics: image projectors

Plural projection paths with single light source

353 38, 353 99, 355 51, 350167, G03B 2748, G02B 2710, G02B 2728

Patent

active

042893771

ABSTRACT:
In a projecting apparatus which focuses the image of an object on an intermediate mirror through a lens array and finally projects the reflected image onto a projection plane again through said lens array, a polarizing beam splitter is provided between the object plane and the lens array to reduce the light loss and to compactize the apparatus.

REFERENCES:
patent: 2958258 (1960-11-01), Kelly
patent: 3580675 (1971-05-01), Hieber et al.
patent: 3584952 (1971-06-01), Gundlach et al.
patent: 3836249 (1974-09-01), Weber

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