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    • 11. 发明申请
    • Imaging apparatus
    • 成像设备
    • US20050146637A1
    • 2005-07-07
    • US11020440
    • 2004-12-21
    • Takahiro Kawauchi
    • Takahiro Kawauchi
    • G02B7/02G02B7/04G03B9/02G03B9/08G03B9/10G03B9/24H04N5/225H04N5/238
    • G03B9/10G03B9/24
    • A shutter device of an imaging apparatus according to the present invention is interposed between an objective lens and a first lens barrel. An opening and closing unit for moving a shutter blade and an aperture blade to an open or closed position is disposed on a first side of or in the vicinity of an imaginary line extending in a direction orthogonal to an optical axis of the lens. The surface area of the shutter device on a second side of the imaginary line is smaller than the surface area of the first side. Actuators for moving the lens barrel along the optical axis are disposed in the vicinity of the second side of the shutter device. In this way, the length of the shutter device in the optical axis direction becomes short.
    • 根据本发明的成像装置的快门装置插入在物镜和第一镜筒之间。 用于将快门叶片和孔径叶片移动到打开或关闭位置的打开和关闭单元设置在沿与透镜的光轴正交的方向延伸的假想线的第一侧或附近。 假想线的第二侧上的快门装置的表面积小于第一侧的表面积。 用于沿着光轴移动镜筒的致动器设置在快门装置的第二侧附近。 以这种方式,快门装置在光轴方向上的长度变短。