Illuminating device for use in a copying apparatus, a facsimile

Details Illuminating device for use in a copying apparatus, a facsimile Illuminating device for use in a copying apparatus, a facsimile

1978-12-22

1981-02-03

Wintercorn, Richard A.

Photocopying

Including fiber optics

313117, 355 71, 362 16, G03B 2700

Patent

active

042485177

ABSTRACT:
An illuminating device for use in a copying apparatus, a facsimile apparatus, and the like in which a document is illuminated and imagewise exposure of the illuminated document is effected comprises an illuminating fluorescent lamp having an elongated tube, and a mask having a plurality of apertures formed therein, whereby the mask is provided around the tube in closely contact therewith and extending substantially over the whole length of the tube and said openings are so configurated that the document is illuminated with a uniform light distribution.

REFERENCES:
patent: 3914049 (1975-10-01), Basu et al.
patent: 3947106 (1976-03-01), Hamaguchi et al.
patent: 3977777 (1976-08-01), Tanaka et al.
patent: 4124295 (1978-11-01), Gardiner

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