| 摘要 |
Imaging apparatus, in which an original is subjected to reflex imaging, is provided with exposure control for selectively varying the angle of incidence upon a platen of a predetermined amount of light emanating from a light source. Exposure control is provided by an electrooptic cell comprising a layer of liquid crystalline composition between two electrodes and having a reflecting surface. The exposure system of the present invention is particularly suited for use in automatic copying machines having compact scanning apparatus.
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