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    • 4. 发明公开
    • Film processing apparatus and film processing method
    • Filmbehandlungsgerätund -verfahren
    • EP0887698A1
    • 1998-12-30
    • EP98111625.4
    • 1998-06-24
    • SONY CORPORATION
    • Inatome, Kiyoshi
    • G03B21/46G03B1/42
    • G03B1/42G03B21/46
    • A movie film image projecting device wherein a movie film is intermittently stopped in a manner synchronized with rotation of a sprocket by means of travel-synchronizing holes (10) which have been formed longitudinally with respect to the movie film and a light from a light source is projected on a stated region of the movie film at a stopped base position. Detectors (11, 12) for detecting at a plurality of locations the displacement of the film (1) from the base position at the time the movie film has stopped, on the basis of the travel-synchronizing holes (10), output a different position detection signal corresponding to the deviation of the film (1) from the base position at each of the plurality of locations. An abnormality judging circuit (53) supplied with the position detection signals determines whether or not the position detection signals are abnormal and outputs an abnormality detection signal for each of the position detection signals which is determined to be abnormal. An optical axis correcting unit (8, 14) supplied with the position detection signals and the abnormality detection signals then corrects the optical axis of light transmitted through the movie film on the basis of the position detection signals which are judged by the abnormality judging means (53) to be not abnormal.
    • 一种电影胶片图像投影装置,其中电影胶片以与相对于电影胶片纵向形成的行进同步孔(10)和来自光源的光线(10)以与链轮的旋转同步的方式间歇地停止 被投影在电影胶片的指定区域处于停止的基座位置。 检测器(11,12),用于根据行进同步孔(10)在多个位置检测胶片(1)从电影胶片停止时的基座位置的位移,输出不同的 位置检测信号对应于胶片(1)与多个位置中的每个位置处的基座位置的偏差。 提供有位置检测信号的异常判断电路(53)确定位置检测信号是否异常,并且对于确定为异常的每个位置检测信号输出异常检测信号。 提供有位置检测信号和异常检测信号的光轴校正单元(8,14)基于由异常判断装置判断的位置检测信号来校正透过电影胶片的光的光轴 53)不是异常的。