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    • 21. 发明授权
    • Lens apparatus and optical apparatus
    • 镜头装置和光学装置
    • US07903347B2
    • 2011-03-08
    • US12506009
    • 2009-07-20
    • Seiichi Kashiwaba
    • Seiichi Kashiwaba
    • G02B15/14
    • G02B7/102
    • The lens apparatus includes a guide barrel including a guide groove portion penetrating through a circumferential wall of the guide barrel, and a cam barrel disposed rotatably and including a penetrating cam groove portion penetrating through a circumferential wall of the cam barrel and a non-penetrating cam groove portion not penetrating therethrough. The apparatus further includes a first holding member holding a first optical element and moved in an optical axis direction by the guide groove portion and the penetrating cam groove portion with rotation of the cam barrel, a second holding member holding a second optical element and moved in the optical axis direction by the guide groove portion and the non-penetrating cam groove portion with the rotation of the cam barrel, and an adjusting mechanism used for adjusting a position of one of the first and second optical elements relative to that of the other.
    • 透镜装置包括引导筒,该引导筒包括穿过引导筒的圆周壁的引导槽部分和可旋转地设置的凸轮筒,该凸轮筒包括贯穿凸轮筒的圆周壁的穿透凸轮槽部分和非穿透凸轮 凹槽部分不穿透其中。 该装置还包括:第一保持构件,其保持第一光学元件并且通过所述引导槽部分和所述穿透凸轮槽部分沿光轴方向移动,所述第一保持构件具有所述凸轮筒的旋转;保持第二光学元件并移动的第二保持构件 通过导槽部分的光轴方向和具有凸轮筒的旋转的非穿透凸轮槽部分,以及用于调节第一和第二光学元件中的一个相对于另一个的位置的调节机构。
    • 22. 发明申请
    • Optical apparatus
    • 光学仪器
    • US20060083505A1
    • 2006-04-20
    • US11243880
    • 2005-10-04
    • Seiichi Kashiwaba
    • Seiichi Kashiwaba
    • G03B17/00
    • G02B7/10
    • An optical apparatus includes a zoom optical system including a focusing lens unit, a first cam member that rotates around the optical axis and moves along the optical axis in a magnification-changing operation, the first cam member including a focus cam portion for driving the focusing lens unit, and a speed-changing mechanism that changes the relative rotational speed between the focusing lens unit and the first cam member in accordance with the focal length of the zoom optical system in the magnification-changing operation. The speed-changing mechanism moves along the optical axis in the magnification-changing operation. In addition, the speed-changing mechanism includes a transmission member that is rotatable around the optical axis with respect to the first cam member and that includes a speed-changing cam portion for changing at least one of the rotational speed and the rotational direction of the focusing lens unit.
    • 一种光学装置,包括:变焦光学系统,包括聚焦透镜单元,绕光轴旋转并沿着光轴在倍率变化操作中移动的第一凸轮构件,所述第一凸轮构件包括用于驱动聚焦的聚焦凸轮部分 透镜单元,以及根据变焦光学系统的焦距在变倍操作中改变聚​​焦透镜单元与第一凸轮构件之间的相对旋转速度的变速机构。 变速机构在放大倍率变更动作中沿着光轴移动。 另外,变速机构包括可相对于第一凸轮构件绕光轴旋转的传动构件,并且包括变速凸轮部,用于改变旋转速度和旋转方向中的至少一个 聚焦镜头单元。