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    • 11. 发明申请
    • Lens driving and optical pickup device
    • 镜头驱动和光学拾取装置
    • US20070019514A1
    • 2007-01-25
    • US11493457
    • 2006-07-25
    • Hiroshi Ogata
    • Hiroshi Ogata
    • G11B7/00
    • G11B7/0935
    • The lens driving device according to the present invention concentrates a light beam emitted by a light source and reflected by a mirror onto a recording layer of a recording medium by use of an objective lens and includes an objective lens holding section for holding the objective lens so that the objective lens is movable in an optical axis direction, and the objective lens holding section is shaped so that the objective lens holding section is prevented from touching the mirror when the objective lens is made closer to the mirror. As a result, it is possible to reduce a space necessary for preventing the objective lens holding section from touching the mirror, so that it is possible to provide the lens driving device which is made thinner.
    • 根据本发明的透镜驱动装置将由光源发射并由反射镜反射的光束集中在使用物镜的记录介质的记录层上,并且包括用于保持物镜的物镜保持部分 物镜可以在光轴方向上移动,并且物镜保持部分成形为当物镜靠近镜子时防止物镜保持部分接触反射镜。 结果,可以减少防止物镜保持部分接触反射镜所需的空间,从而可以提供更薄的透镜驱动装置。