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    • 3. 发明授权
    • Lens driving device
    • 镜头驱动装置
    • US08711497B2
    • 2014-04-29
    • US13753846
    • 2013-01-30
    • Nidec Copal Corporation
    • Takuya MachidaKazuo ShikamaHaruhiko MandaiYusuke EharaNobuaki Watanabe
    • G02B7/02G03B17/00H04N5/228
    • G02B7/04G02B7/08G02B27/646H02K41/0356
    • A lens driving device includes a base member, a movable member that is disposed at the base member and moves in a plane that is orthogonal to an optical axis, a first driving portion that moves the movable member in a direction that is orthogonal to the optical axis in accordance with image shake, a lens frame that is mounted to the movable member and moves in a direction of the optical axis, a second driving portion that moves the lens frame in the direction of the optical axis and includes a first magnet that is secured to the movable member and a first coil that is secured to the lens frame, and a Hall element that is disposed so as to oppose the first magnet in the direction of the optical axis and detects a change in a magnetic field of the first magnet.
    • 一种透镜驱动装置,包括基座构件,设置在基座构件上并在与光轴正交的平面中移动的可动构件,使可动构件沿与光学正交的方向移动的第一驱动部 轴,根据图像抖动,安装到可动构件并沿光轴方向移动的透镜框,使透镜框沿光轴方向移动的第二驱动部,并且包括第一磁体, 固定到可动构件和固定到透镜框架的第一线圈和霍尔元件,其被设置成在光轴方向上与第一磁体相对,并且检测第一磁体的磁场变化 。