Image formation apparatus with supplemental light source

Details Image formation apparatus with supplemental light source Image formation apparatus with supplemental light source

1988-07-27

1990-03-20

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With developing

355 32, 355 35, 430138, G03B 2732, G03B 2752

Patent

active

049105507

ABSTRACT:
For an image formation apparatus having supplemental light sources in addition to an optical system for providing an image forming light beam reflected from an original to be copied, a control unit controls exposure by these supplemental light sources according to the photosensitivity characteristics of microcapsules of different kinds with which a light-receiving sheet is coated and which respond differently to individual beams from the supplemental light sources. The control unit may also be designed to take into consideration the effects of ambient humidity and the user's choice for particular coloring.

REFERENCES:
patent: 4742374 (1988-05-01), Yamamoto et al.
patent: 4770972 (1988-09-01), Nelson et al.
patent: 4772922 (1988-09-01), Kawahara et al.
patent: 4825256 (1989-04-01), Nakai et al.

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