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

1990-01-23

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With developing

354301, 355 37, 430138, G03B 2732, G03B 2752

Patent

active

048961833

ABSTRACT:
An image forming apparatus such as a copier of the type using a light and pressure sensitive material to form a visible image by exposing photosensitive microcapsules to image forming light to thereby form an invisible pattern of selectively hardened microcapsules and pressing these microcapsules against a transfer sheet superposed thereon to rupture the microcapulses according to the pattern to effect chromogenic reactions selectively, is provided with a supplemental light source for exposing areas of the material not intended for forming an image such that unnecessary microcapsules in these areas do not cause stains on components of the apparatus.

REFERENCES:
patent: 4255042 (1981-03-01), Armitage, Jr. et al.
patent: 4737748 (1988-04-01), Ito
patent: 4770972 (1988-09-01), Nelson et al.

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