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    • 9. 发明授权
    • Lens barrel and method of operation of lens barrel
    • 镜筒和镜筒操作方法
    • US07835085B2
    • 2010-11-16
    • US11588275
    • 2006-10-27
    • Satoshi Yamazaki
    • Satoshi Yamazaki
    • G02B15/14
    • G02B7/10G02B15/14
    • A lens barrel having a first moving barrel, second moving barrel, and a third moving barrel. The first moving barrel has first cam grooves configured corresponding to a focusing operation and holds an optical system used in a focusing operation. The second moving barrel has second cam grooves and is provided in relation to the first moving barrel. The third moving barrel has third cam grooves configured corresponding to a zoom operation and can move relative to a fixed barrel. The second cam grooves correct a position of said optical system corresponding to a drive operation of the third cam grooves.
    • 镜筒具有第一移动镜筒,第二移动镜筒和第三移动镜筒。 第一移动筒具有对应于聚焦操作配置的第一凸轮槽,并且保持用于聚焦操作的光学系统。 第二移动筒具有第二凸轮槽,并且相对于第一移动筒设置。 第三移动筒具有对应于变焦操作构造的第三凸轮槽,并且可相对于固定筒移动。 第二凸轮槽对应于第三凸轮槽的驱动操作校正所述光学系统的位置。