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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 。
    • 8. 发明授权
    • Shutter blade operation mechanism for focal plane shutter
    • 快门叶片切割机操作机构
    • US3834802A
    • 1974-09-10
    • US35987673
    • 1973-05-14
    • SEIKO KOKI KK
    • KOYAMA MNAGAOKA SKITAI KONDA ENAKAGAWA T
    • G03B9/36G03B9/18G03B9/44
    • G03B9/18
    • A focal plane shutter having a set or group of shutter-opening shutter blades and a set or group of shutter-closing shutter blades each consisting of a plurality of shutter blades for opening a shutter exposure aperture and closing it. Driving mechanism is provided for each group with a driving main lever supported on one side of the exposure aperture. A shutter blade operating auxiliary lever is supported on a corresponding one of the driving main levers and one end of this auxiliary lever is rotatably connected with a slit-forming shutter blade and a slot guides the travel of this end of the auxiliary lever to operate the slit-forming blade in parallel motion to define a uniform rectangular slit as the aperture is opened and closed.
    • 焦平面快门,其具有一组或多组快门打开快门叶片和一组或一组快门关闭快门叶片,每个快门关闭快门叶片由多个快门叶片组成,用于打开快门曝光孔并关闭快门曝光孔。 为每组提供驱动机构,其中驱动主杆支撑在曝光孔的一侧。 快门叶片操作辅助杆被支撑在相应的一个驱动主杆上,并且该辅助杆的一端与狭缝形成的快门叶片可旋转地连接,并且狭槽引导辅助杆的该端部的行进以操作 狭缝形成刀片平行运动,以在孔被打开和关闭时限定均匀的矩形狭缝。