| 摘要 |
A reprographic camera has housed in its bellows a remote controlled blind type shutter, so that the photographic material can be masked from day light when the camera is not in use to avoid fog formation in the material. The flexible blind has an exposure aperture suspended between two rollers which are driven by a motor. An AC circuit is connected to said motor during movement of said blind to its open position and a DC circuit is connected to said motor to maintain said blind in its open position.
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