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热词
    • 3. 发明授权
    • Camera mechanism
    • 相机机制
    • US3810218A
    • 1974-05-07
    • US29732472
    • 1972-10-13
    • BANK OF MONTREAL
    • MILLETT J
    • G03B17/00G03B9/68G03B17/42G03B19/00G03B19/04G03B15/04G03B9/44G03B17/24
    • G03B19/04
    • A small miniature camera employs as a primary operating mechanism a spring biased shutter bellcrank which is arranged so one of its arms or pawls operates a pivoted shutter blade and cooperates with the other pawl to control the film advance mechanism to prevent double exposures. Also, the disposition of the pawls is such that one of them may be employed to trigger impulse operated flash cubes in timed relationship with the shutter opened by the other pawl. To avoid complex indexing mechanisms within such a camera an optical indexing feature is provided which employs a separate light path to the edge of a film strip that is controlled by the shutter to mark the developed film strip with a reference mark for subsequent automatic film processing procedures.
    • 小型照相机作为主要操作机构采用弹簧偏压的快门曲拐,其布置成使得其臂或爪之一操作枢转的快门叶片并与另一个棘爪配合以控制胶片前进机构以防止双重曝光。 此外,棘爪的配置是这样的,其中的一个可以被用来触发与由另一个棘爪打开的快门成时关系的脉冲操作的闪光立方体。 为了避免这种相机内的复杂的分度机构,提供了一种光学分度特征,其采用由薄膜条的边缘分离的光路,该光路由快门控制,以将已显影的胶片条标记成用于随后的自动胶片处理程序的参考标记 。