Dual reflector illumination system

Details Dual reflector illumination system Dual reflector illumination system

1981-03-30

1983-08-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350299, 355 67, 362346, G03B 2754, H01J 314

Patent

active

043968341

ABSTRACT:
The illumination of a document moving through an exposure zone is maximized by placing a pair of reflectors on each side of the exposure zone in close proximity to the object plane and in an optimum reflecting position in relation to the illumination source. In a first embodiment, utilized in a continuous velocity transport (CVT) system, the reflectors comprise an integral member consisting of a plurality of connected facets. In a second embodiment, wherein the document is moved across a fixed platen, the reflectors effectively consist of two elements including a physically separated extended portion which is formed within the cross section of the platen.

REFERENCES:
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patent: 3844653 (1974-10-01), Kelly
patent: 3977784 (1976-08-01), Hara
patent: 3982116 (1976-09-01), Sakuma
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patent: 4118119 (1978-10-01), Maiorano
patent: 4190355 (1980-02-01), Avery et al.
patent: 4288690 (1981-09-01), Sanner
patent: 4295186 (1981-10-01), Sugiura et al.

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