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    • 2. 发明申请
    • Lens system and image taking apparatus
    • 镜头系统和摄像设备
    • US20060002696A1
    • 2006-01-05
    • US11126833
    • 2005-05-11
    • Hideo OnishiShuichi FujiiNorio MaedaTetsuya Uno
    • Hideo OnishiShuichi FujiiNorio MaedaTetsuya Uno
    • G03B17/00
    • G02B7/102G03B17/04
    • A lens system 1 is provided with: a first lens unit 5 that is movable in the direction of the optical axis x; a second lens unit 12 that is movable in the direction of the optical axis x; a driving mechanism 9 that linearly moves the first lens unit 5 in the direction of the optical axis x; and a cylindrical cam shaft 13 having at least a first cam portion 13a and a second cam portion 13b. In the cylindrical cam shaft 13, the first cam portion 13a is engaged with the first lens unit 5, and the second cam portion 13b is engaged with the second lens unit 12. The cylindrical cam shaft 13 is rotated by the linear movement of the first lens unit 5 by the first driving mechanism 9, and the second lens unit 12 is linearly moved by the rotation of the cylindrical cam shaft 13.
    • 透镜系统1设置有:可沿光轴x方向移动的第一透镜单元5; 可沿光轴x方向移动的第二透镜单元12; 使第一透镜单元5沿光轴x方向直线移动的驱动机构9; 以及具有至少第一凸轮部分13a和第二凸轮部分13b的圆柱形凸轮轴13。 在圆筒形凸轮轴13中,第一凸轮部分13a与第一透镜单元5接合,第二凸轮部分13b与第二透镜单元12接合。圆柱形凸轮轴13通过线性运动 第一透镜单元5由第一驱动机构9和第二透镜单元12通过圆柱形凸轮轴13的旋转线性地移动。
    • 6. 发明授权
    • Lens barrel and imaging device
    • 镜筒和成像装置
    • US08848302B2
    • 2014-09-30
    • US13160621
    • 2011-06-15
    • Naoto YumikiHideo OnishiYoshiharu ArakiFumio Muramatsu
    • Naoto YumikiHideo OnishiYoshiharu ArakiFumio Muramatsu
    • G02B7/02H04N5/232G02B15/173G02B7/10
    • G02B15/173G02B7/102H04N5/23209H04N5/23212H04N5/23296
    • The lens barrel includes a first lens unit, a second lens unit, and a drive unit. The first lens unit includes a first lens element and a first lens support frame supporting the first lens element. The second lens unit includes a second lens element and a second lens support frame supporting the second lens element. The second lens unit is supported by the first lens unit to be movable in the optical axis direction of the first lens element with respect to the first lens unit. The drive unit is arranged to be used to drive the second lens unit with respect to the first lens unit, and is fixed to the first lens unit. When viewed in the optical axis direction, the drive unit is fixed to the first lens unit so that a first profile line formed by the first lens unit and the drive unit is substantially circular.
    • 镜筒包括第一透镜单元,第二透镜单元和驱动单元。 第一透镜单元包括第一透镜元件和支撑第一透镜元件的第一透镜支撑框架。 第二透镜单元包括第二透镜元件和支撑第二透镜元件的第二透镜支撑框架。 第二透镜单元由第一透镜单元支撑,以能够相对于第一透镜单元在第一透镜元件的光轴方向上移动。 驱动单元布置成用于相对于第一透镜单元驱动第二透镜单元,并且被固定到第一透镜单元。 当沿光轴方向观察时,驱动单元被固定到第一透镜单元,使得由第一透镜单元和驱动单元形成的第一轮廓线基本上是圆形的。
    • 9. 发明授权
    • Lens barrel
    • 镜筒
    • US08503103B2
    • 2013-08-06
    • US13230854
    • 2011-09-13
    • Hideo OnishiHironori Honsho
    • Hideo OnishiHironori Honsho
    • G02B15/14G02B7/02
    • G02B7/102G02B15/14
    • A lens barrel is provided that includes a zoom optical system, a zooming unit, and a light adjusting mechanism. The zoom optical system is configured to form an optical image of a subject and includes a first, a second, and a third lens group. The third lens group is movable and configured to move the optical image. The zooming unit causes the zoom optical system to perform a zooming operation. The light adjusting mechanism is configured to adjust the light passing through the zoom optical system. The lens barrel is configured to change between an imaging state and a retracted state. In the imaging state, the zooming operation is performed, and the first, the second, and the third lens groups are in alignment. During the zooming operation, the second lens group moves integrally with the third lens group along the optical axis, and the light adjusting mechanism and the second lens group move independently of one another along the same axial direction. In the retracted state, the second lens group is disposed off center from the first lens group.
    • 提供一种镜筒,包括变焦光学系统,变焦单元和调光机构。 变焦光学系统被配置为形成被摄体的光学图像,并且包括第一,第二和第三透镜组。 第三透镜组是可移动的并且被配置为移动光学图像。 变焦单元使变焦光学系统执行变焦操作。 调光机构构成为调整通过变焦光学系统的光。 镜筒配置成在成像状态和缩回状态之间改变。 在成像状态下,执行变焦操作,并且第一,第二和第三透镜组对准。 在变焦操作期间,第二透镜组沿着光轴与第三透镜组一体地移动,并且光调节机构和第二透镜组沿着相同的轴向彼此独立地移动。 在缩回状态下,第二透镜组离开第一透镜组的中心偏离。
    • 10. 发明授权
    • Lens barrel and imaging device
    • 镜筒和成像装置
    • US08049979B2
    • 2011-11-01
    • US12547588
    • 2009-08-26
    • Naoto YumikiHideo OnishiYoshiharu ArakiFumio Muramatsu
    • Naoto YumikiHideo OnishiYoshiharu ArakiFumio Muramatsu
    • G02B7/02
    • G02B15/173G02B7/102H04N5/23209H04N5/23212H04N5/23296
    • The lens barrel includes a first lens unit, a second lens unit, and a drive unit. The first lens unit includes a first lens element and a first lens support frame supporting the first lens element. The second lens unit includes a second lens element and a second lens support frame supporting the second lens element. The second lens unit is supported by the first lens unit to be movable in the optical axis direction of the first lens element with respect to the first lens unit. The drive unit is arranged to be used to drive the second lens unit with respect to the first lens unit, and is fixed to the first lens unit. When viewed in the optical axis direction, the drive unit is fixed to the first lens unit so that a first profile line formed by the first lens unit and the drive unit is substantially circular.
    • 镜筒包括第一透镜单元,第二透镜单元和驱动单元。 第一透镜单元包括第一透镜元件和支撑第一透镜元件的第一透镜支撑框架。 第二透镜单元包括第二透镜元件和支撑第二透镜元件的第二透镜支撑框架。 第二透镜单元由第一透镜单元支撑,以能够相对于第一透镜单元在第一透镜元件的光轴方向上移动。 驱动单元布置成用于相对于第一透镜单元驱动第二透镜单元,并且被固定到第一透镜单元。 当沿光轴方向观察时,驱动单元被固定到第一透镜单元,使得由第一透镜单元和驱动单元形成的第一轮廓线基本上是圆形的。