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    • 6. 发明授权
    • Film feeding apparatus
    • 胶片送料装置
    • US5020900A
    • 1991-06-04
    • US432585
    • 1989-11-07
    • Minoru SashidaMasaaki YanagiKatsuhiko OkitsuHirokazu Higuchi
    • Minoru SashidaMasaaki YanagiKatsuhiko OkitsuHirokazu Higuchi
    • G03B21/11
    • G03B21/113
    • A film feeding apparatus which feeds a film wound on a supply reel to a take-up means and rewinds the film on the supply reel, comprising: a driving shaft for removably receiving and holding the supply reel on which the film is wound and for rotating the reel; a driving means for rotating the driving shaft in a normal or reverse direction; a judging means for judging a rewinding direction of the film wound on the reel held by the driving shaft; and a control means for controlling the driving means to change a rotational direction of the driving shaft in response to the rewinding direction judged by the judging means, when the film is rewound.
    • 一种胶片供给装置,其将卷绕在供带盘上的胶片供给到卷取装置,并且将所述胶卷重绕在所述供带盘上,所述胶卷供给装置包括:驱动轴,用于可拆卸地容纳并保持其上缠绕有所述胶卷的所述供带盘, 卷轴 驱动装置,用于使驱动轴沿正向或反向旋转; 用于判断卷绕在由驱动轴保持的卷轴上的胶卷的重绕方向的判断装置; 以及控制装置,用于控制驱动装置,以便当胶片被重绕时响应于由判断装置判断的倒带方向改变驱动轴的旋转方向。