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    • 2. 发明申请
    • Optical pickup unit and disk drive unit
    • 光学拾取单元和磁盘驱动单元
    • US20080080359A1
    • 2008-04-03
    • US11898256
    • 2007-09-11
    • Yuji TamenoriMitsuhiro UenoKazuhito KuritaTadami Nakamura
    • Yuji TamenoriMitsuhiro UenoKazuhito KuritaTadami Nakamura
    • G11B17/30
    • G11B17/056
    • An optical pickup unit, including: a base chassis; a disk table mounted to the base chassis for chucking an optical disk to be able to freely rotate; an optical pickup that records and/or reproduces an information signal with respect to the optical disk; a guide shaft supported by the base chassis, and guides the optical pickup to move in a diameter direction of the optical disk; and a pickup transfer mechanism including a lead screw supported parallel to the guide shaft and engaged with the optical pickup via a rack member, and a drive motor for rotate-driving the lead screw. In the optical pickup unit, the drive motor is disposed out of a projection area of, with respect to the base chassis, the optical disk chucked to the disk table.
    • 一种光学拾取单元,包括:基座; 安装到基座的盘台,用于夹紧光盘以能够自由旋转; 记录和/或再现关于光盘的信息信号的光学拾取器; 由所述底架支撑的引导轴,并且引导所述光拾取器沿所述光盘的直径方向移动; 以及拾取器传送机构,其包括平行于所述引导轴支撑并经由齿条构件与所述光学拾取器配合的引导螺杆,以及用于旋转所述丝杠的驱动马达。 在光学拾取单元中,驱动马达设置在相对于底架的投影区域中,该光盘被卡在盘台上。