Light valve imaging apparatus having improved optical configurat

Details Light valve imaging apparatus having improved optical configurat Light valve imaging apparatus having improved optical configurat

1981-01-29

1983-01-11

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Illumination systems or details

346107R, 355 1, 355 37, 358 75, G03B 2772

Patent

active

043679463

ABSTRACT:
Electronic imaging apparatus of the kind having an imaging zone; a light valve array comprising a plurality of discretely-addressable light-modulating pixel regions; illuminating means for directing light to the imaging zone via the array and means for addressing the pixels in accordance with image information, features light control means located between the illuminating means and such array for collimating illuminating light in a direction substantially normal to the ingress surface of the array.

REFERENCES:
patent: 3702930 (1972-11-01), Joel
patent: 4312004 (1982-01-01), Samek et al.

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