Photocopying – Including fiber optics
Patent
1982-09-24
1985-06-04
Braun, Fred L.
Photocopying
Including fiber optics
355 15, 430126, G03G 1522
Patent
active
045210977
ABSTRACT:
An electrophotographic method and apparatus for recording micrographic images as high resolution positive or reversal transparencies. Plural planar reusable electrophotographic plates are mounted for stepwise movement sequentially along a path for a cycle of successive operations, each plate being sucessively sequentially charged, exposed to a projected micrographics image to form a latent charge image thereof, said charge image toned, the toned image dried and contact transferred under application of heat and pressure by lamination to a transparent substrate, the lamination separated and the plate cleaned and discharged subsequent to separation for reuse. The transparency carrying the micrographics image embedded therein is mounted on a suitable holder.
The apparatus includes a rotor for mounting the plates about its circumference and a framework for mounting the functional stations positioned about the rotor circumference in operative condition relative the plates mounted on said rotor. A stepping motor or other incremental-type drive drives the rotor in a programmed movement. The framework and rotor are surrounded by a light-tight housing. A suitable aperture is provided in the housing to enable an exterior projector to direct a micrographics image to the charged photoconductive surface of the plate. A transfer station includes feed, guide and storage as a self contained unit, including both heating and pressure units for laminating the plate carryng the toner image and the transparent substrate.
REFERENCES:
patent: 3040621 (1962-06-01), Crumrine
patent: 3722993 (1973-03-01), Egnaczak
patent: 3725059 (1973-04-01), Komp
patent: 3880512 (1975-04-01), Kuehnle
patent: 3936178 (1976-02-01), Kuehnle
patent: 4392734 (1983-07-01), Plumadore
Kuehnle Manfred R.
Perry George J.
Rose Robert M.
Braun Fred L.
Coulter Systems Corporation
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