Image forming apparatus

Details Image forming apparatus Image forming apparatus

1988-10-13

1991-07-02

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

355 37, 355 41, G03B 2732

Patent

active

050289632

ABSTRACT:
An image forming apparatus including an auxiliary exposure device, in which a photoreceptive sheet coated with photosensitive microcapsules coated is subjected to image forming exposure and auxiliary exposure so as to form a selectively set image thereon by the microcapsules. The auxiliary exposure device includes a light source lamp, a plurality of filters for absorbing or reflecting portions of light of the light source lamp according to specific ranges of wavelengths of the portions of the light of the light source lamp, respectively and a setting member for setting ratios of areas of the light source lamp covered by the filters, respectively.

REFERENCES:
patent: 4482264 (1984-11-01), Arney et al.
patent: 4678319 (1987-07-01), Reiterer
patent: 4760426 (1988-07-01), Taniguchi et al.
patent: 4809049 (1989-02-01), Okuzawa et al.
patent: 4843431 (1989-06-01), Horiguchi et al.
patent: 4910550 (1990-03-01), Ohashi et al.

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