Illuminating device for a color copier

Details Illuminating device for a color copier Illuminating device for a color copier

1988-02-29

1989-09-12

Hix, L. T.

Photocopying

Projection printing and copying cameras

Illumination systems or details

362 11, G03B 2754

Patent

active

048664782

ABSTRACT:
A slit exposure type illuminating device mainly applicable to a color electrophotographic copier and using a plurality of lamps includes a single reflector which is provided with a plurality of openings for inserting the lamps. The lamps are arranged in an array along the length of the reflector. One of the lamps is positioned on an optical axis which extends through the center of the reflector with respect to the lengthwise direction of the reflector. The lamps are divided into a first and a second lamp groups in each of which they are arranged symmetrically with respect to the optical axis and individually spaced by predetermined distances from the optical axis. Current is fed either independently or simultaneously to the two different lamp groups. The openings of the reflector are each so adjustable in position and dimension as to prevent the bulb of each lamp from intercepting light.

REFERENCES:
patent: 3609039 (1971-09-01), Ambraschka
patent: 4668081 (1987-05-01), Imamura

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