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    • 3. 发明授权
    • Apparatus and method for controlling movement of an optical head
    • 用于控制光学头的移动的装置和方法
    • US06445649B1
    • 2002-09-03
    • US09503913
    • 2000-02-15
    • Yasushi SaitoMitsuhiko Awata
    • Yasushi SaitoMitsuhiko Awata
    • G11B1722
    • G11B5/59677G11B5/59627
    • An information recording/reproduction apparatus is adapted to quickly move the optical pickup to a desired position on the optical disk being used with it without emitting any sound of collision. The information recording/reproduction apparatus adapted to use an optical disk comprises an optical pickup 5 supported by a lead screw 9 so to move freely at least in a radial direction of the optical disk 1, a thread motor 4 for driving the optical pickup 5 to move by the distance specified by a drive signal in the radial direction of the optical disk 1, a position detecting switch 7 for detecting the innermost movable limit of the optical pickup 5 in the radial direction of the optical disk 1 and a system controller 6 for controlling the movement of the optical pickup 5 by means of the drive signal applied to the thread motor 4, using the detected position as reference.
    • 信息记录/再现装置适于将光学拾取器快速移动到与其一起使用的光盘上的期望位置,而不发出任何碰撞声。 适于使用光盘的信息记录/再现装置包括:由导螺杆9支撑的至少沿光盘1的径向方向自由移动的光学拾取器5,用于驱动光学拾取器5的螺纹马达4 在光盘1的径向方向上移动由驱动信号指定的距离,用于检测光学拾取器5在光盘1的径向方向上的最内部可移动极限的位置检测开关7,以及用于 使用检测到的位置作为参考,通过施加到螺纹马达4的驱动信号来控制光学拾取器5的移动。