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US4141650A Improved shutter apparatus for electrophotographic apparatus 失效
用于电子照相设备的改进的快门装置

Improved shutter apparatus for electrophotographic apparatus
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.
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