Exposure system for electrostatic reproduction machines

Photocopying – Including fiber optics

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Details

355 69, 355 71, G03G 1528, G03B 2776

Patent

active

041115414

ABSTRACT:
An electrostatic reproduction machine with photosensitive member on which latent electrostatic images of an original being reproduced are made following charging of a photosensitive member, the images being developed or transferred to a sheet of copy paper which is thereafter fused to form a permanent copy. A transparent platen supports the original with one or more lamps being provided to illuminate the original resting on the platen. The light image produced is transmitted by an optical system to the photosensitive member to discharge the same selectively in accordance with the original. A movable optical system is provided to permit the light image to be projected onto and in synchronism with the moving photosensitive member, in accommodation of the relatively low power of the flash lamps.

REFERENCES:
patent: 3724946 (1973-04-01), Knapp et al.
patent: 3967896 (1976-07-01), Looney et al.
patent: 3977781 (1976-08-01), Eppe et al.
patent: 3985438 (1976-10-01), Kurita
patent: 3995950 (1976-12-01), Townsend

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