Electrophotographic contact duplicating apparatus and method

Details Electrophotographic contact duplicating apparatus and method Electrophotographic contact duplicating apparatus and method

G - Physics

03

G

314/7

G03G 15/00 (2006.01) G03G 15/22 (2006.01)

Patent

CA 1091749

ABSTRACT Apparatus for contact duplicating images on one strip roll upon a strip roll of electrophotographic film. The electrophotographic film is coated with a very thin layer of insulating hydrocarbon before the contact occurs to prevent static discharge when the films separate. The strips of the two rolls are brought into contact and fed to a projection station where a light beam is projected onto and through the contacted films. The electrophoto- graphic film is charged just before it contacts the photographic film. A toning station and a fixing station respectively are located to act upon the electrophotographic film after exposure. Transfer of the toned image to a strip of clear base film is contemplated with subsequent reuse of the electrophotographic film.

266747

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