Improved shutter apparatus for electrophotographic apparatus

Details Improved shutter apparatus for electrophotographic apparatus Improved shutter apparatus for electrophotographic apparatus

1977-06-20

1979-02-27

Moses, R. L.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 8, 355 71, G03G 1500

Patent

active

041416503

ABSTRACT:
An electrographic apparatus for producing, on a dielectric record sheet, an electrostatic charge image corresponding to a manuscript image to be recorded is disclosed. The apparatus comprises a shutter arranged in a light path for projecting the manuscript image onto a photosensitive screen and adapted to be opened only when an electrostatic latent image corresponding to the manuscript image is produced on the photosensitive screen.

REFERENCES:
patent: 3438704 (1969-04-01), Schoen
patent: 3713734 (1973-01-01), Crane et al.
patent: 3762811 (1973-10-01), Matsumoto
patent: 4046466 (1977-09-01), Ando et al.

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