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    • 64. 发明授权
    • Sector drive assembly for camera
    • 相机行业驱动装配
    • US07140790B2
    • 2006-11-28
    • US10825549
    • 2004-04-14
    • Yoichi NakanoHiroshi Takahashi
    • Yoichi NakanoHiroshi Takahashi
    • G03B9/08G03B9/40
    • G03B9/18
    • A sector drive assembly for a camera which can open and close an aperture has a sector drive unit having an actuator, a drive force transmitting mechanism, and a sector position detecting unit that are removably mounted as a unit to a support plate, and a sector unit having a base plate formed with an aperture and one or more sectors for opening and closing the aperture. Since the sector drive unit is provided as a removably mountable unit, it is high in versatility and can be mounted to various different types of sector units. In addition, since it is configured to detect the state of the sectors before operation, reliable exposure or opening and closing of the aperture are achieved. In addition, a positional adjustment function is provided by a sector urging spring.
    • 用于可打开和关闭孔的相机的扇形驱动组件具有扇区驱动单元,该扇区驱动单元具有作为单元可拆卸地安装到支撑板的致动器,驱动力传递机构和扇区位置检测单元,以及扇区 单元具有形成有孔的基板和用于打开和关闭孔的一个或多个扇区。 由于扇区驱动单元被设置为可拆卸地安装的单元,所以其通用性高,并且可以安装到各种不同类型的扇区单元。 此外,由于其被配置为在操作之前检测扇区的状态,因此实现了可靠的曝光或打开和关闭光圈。 此外,由扇形推动弹簧提供位置调节功能。