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    • 10. 发明申请
    • LENS DRIVE DEVICE AND IMAGING DEVICE
    • 镜头驱动装置和成像装置
    • US20130314809A1
    • 2013-11-28
    • US13981481
    • 2012-01-30
    • Hiroyuki WatanabeYohsuke IkedaTakafumi IshikawaTakuma IshikawaHiroki Ito
    • Hiroyuki WatanabeYohsuke IkedaTakafumi IshikawaTakuma IshikawaHiroki Ito
    • G02B7/04
    • G02B7/04G02B7/08
    • The present invention provides a lens drive device including a base member arranged inside a lens barrel, a lens frame holding a lens and provided to be movable with respect to the base member in an optical axis direction of the lens, a voice coil motor for moving the lens frame, and a position detection unit for detecting a position of the lens frame. The position detection unit includes a reflection portion provided to one of the base and the lens frame and including a reflection surface inclined with respect to the optical axis of the lens, and a photoreflector provided to the other of the base member and the lens frame and including a light projecting portion applying light to the reflection surface and a light receiving portion receiving light reflected on a reflection flat surface.
    • 本发明提供一种透镜驱动装置,其具备配置在透镜镜筒内的基座构件,保持透镜的透镜框,并且能够沿着透镜的光轴方向相对于基座构件移动,所述音圈电机用于移动 透镜框,以及用于检测透镜框的位置的位置检测单元。 所述位置检测单元包括设置在所述基座和所述透镜框架中的一个的反射部分,并且包括相对于所述透镜的光轴倾斜的反射面,以及设置在所述基座构件和所述透镜框架中的另一个的光反射器, 包括向反射面施加光的光投射部分和接收在反射平面上反射的光的光接收部分。