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    • 2. 发明授权
    • Disk drive device
    • 磁盘驱动器
    • US06510122B1
    • 2003-01-21
    • US09210544
    • 1998-12-14
    • Yoshiaki YamauchiHisahiro MikiShigeki MoriShinobu YoshidaTakashi KounoYoshihiro SatoKuniyuki Kimura
    • Yoshiaki YamauchiHisahiro MikiShigeki MoriShinobu YoshidaTakashi KounoYoshihiro SatoKuniyuki Kimura
    • G11B1702
    • G11B17/028G11B17/0285G11B33/08
    • Disk storage devices have exhibited an increase in rotational vibrations which attend high speed rotation due to weight unbalance of a disk. Accordingly, an unbalance correcting mechanism, provided with correcting balls to correct the aforesaid unbalance, meets a problem that the correcting balls are made unstable at the time of low speed rotation to generate vibrations and noises. A disk drive device is provided with an unbalance correcting mechanism comprising an annular-shaped groove provided in a turntable on a spindle motor and a plurality of correcting balls received in the groove, and in which a sliding resistance member is provided on a bottom surface of the annular-shaped groove to suppress a sliding resistance of the correcting balls on the sliding resistance member, and a correcting ball motion auxiliary member is provided on an inner peripheral side wall of the groove (toward an axis of rotation).
    • 磁盘存储设备已经表现出由于盘的重量不平衡而引起高速旋转的旋转振动的增加。 因此,设置有用于校正上述不平衡的校正球的不平衡校正机构遇到了在低速旋转时校正球变得不稳定以产生振动和噪声的问题。 磁盘驱动装置设置有不平衡校正机构,该不平衡校正机构包括设置在主轴电动机的转台上的环形槽和容纳在槽中的多个校正球,并且其中滑动阻力构件设置在 在所述凹槽(朝向旋转轴线)的内周侧壁上设置有抑制所述滑动阻力构件上的所述校正球的滑动阻力的环形槽和校正球运动辅助构件。
    • 9. 发明授权
    • Disc drive
    • 磁盘驱动器
    • US07813232B2
    • 2010-10-12
    • US11698098
    • 2007-01-26
    • Yoshiaki YamauchiIkuo NishidaHisahiro Miki
    • Yoshiaki YamauchiIkuo NishidaHisahiro Miki
    • G11B7/00
    • G11B7/0956G11B17/056G11B33/08
    • Since a disc vibrates in a natural mode at a predetermined rotation speed, a variation in a tilt of the disc relative to an optical head is caused. As a result, the read/write performance of a disc drive is deteriorated. The disc drive has a disc tilt database for recording a relative tilt angle of the disc in a tangential direction thereof associated with the disc natural mode and the disc rotation speed at which such tilt occurs, a circuit for detecting a disc rotation speed, and a tilt drive circuit. An objective lens is tilted so that the relative tilt angle is corrected, and thus, stable read/write performance of the disc drive is achieved.
    • 由于盘以预定的旋转速度以自然模式振动,所以导致盘相对于光学头的倾斜的变化。 结果,磁盘驱动器的读/写性能恶化。 盘驱动器具有盘倾斜数据库,用于记录与盘自然模式相关的切线方向的盘的相对倾斜角以及发生这种倾斜的盘旋转速度,用于检测盘旋转速度的电路,以及 倾斜驱动电路。 倾斜物镜使得相对倾斜角度被校正,从而实现了盘驱动器的稳定的读/写性能。
    • 10. 发明申请
    • Disc drive
    • 磁盘驱动器
    • US20080062828A1
    • 2008-03-13
    • US11698098
    • 2007-01-26
    • Yoshiaki YamauchiIkuo NishidaHisahiro Miki
    • Yoshiaki YamauchiIkuo NishidaHisahiro Miki
    • G11B7/007
    • G11B7/0956G11B17/056G11B33/08
    • Since a disc vibrates in a natural mode at a predetermined rotation speed, a variation in a tilt of the disc relative to an optical head is caused. As a result, the read/write performance of a disc drive is deteriorated. The disc drive has a disc tilt database for recording a relative tilt angle of the disc in a tangential direction thereof associated with the disc natural mode and the disc rotation speed at which such tilt occurs, a circuit for detecting a disc rotation speed, and a tilt drive circuit. An objective lens is tilted so that the relative tilt angle is corrected, and thus, stable read/write performance of the disc drive is achieved.
    • 由于盘以预定的旋转速度以自然模式振动,所以导致盘相对于光学头的倾斜的变化。 结果,磁盘驱动器的读/写性能恶化。 盘驱动器具有盘倾斜数据库,用于记录与盘自然模式相关的切线方向的盘的相对倾斜角以及发生这种倾斜的盘旋转速度,用于检测盘旋转速度的电路,以及 倾斜驱动电路。 倾斜物镜使得相对倾斜角度被校正,从而实现了盘驱动器的稳定的读/写性能。