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    • 53. 发明授权
    • Rotating disk type storage unit with reduced vibration
    • 旋转盘式存储单元减振
    • US07652850B2
    • 2010-01-26
    • US11132049
    • 2005-05-17
    • Kenji SuzukiToshihiko ShimizuShingo TsudaKouki Uefune
    • Kenji SuzukiToshihiko ShimizuShingo TsudaKouki Uefune
    • G11B21/08G11B5/55
    • G11B5/56G11B5/5565
    • Embodiments of the invention decrease bending vibrations and torsional vibrations of a voice coil generated by off-plane vibrational forces on the voice coil to reduce noise and to enable a large capacity. In one embodiment, a rotating disk type storage unit comprises a rotating disk recording medium, a head that moves radially relative to the rotating disk recording medium to perform recording or reproduction, a turnable actuator having mounted on one side thereof the head, and a voice coil motor to drive the actuator. The voice coil motor comprises a voice coil mounted on the other side end of the actuator, and a magnet arranged in opposition to the voice coil. A magnet outer periphery of the magnet disposed distant from an actuator turning center is formed to be arcuately concave in shape, and the concave-shaped outer periphery intersects the voice coil.
    • 本发明的实施例减少由音圈上的离平面振动产生的音圈的弯曲振动和扭转振动,以减少噪声并实现大容量。 在一个实施例中,旋转盘型存储单元包括旋转盘记录介质,相对于旋转盘记录介质径向移动以执行记录或再现的头,安装在头的一侧的可转动致动器和声音 线圈电机驱动执行机构。 音圈电机包括安装在致动器的另一侧的音圈和与音圈相对布置的磁体。 远离致动器转动中心设置的磁体的磁体外周形成为弧形的凹状,凹状的外周与音圈相交。
    • 57. 发明申请
    • Actuator mechanism for magnetic disk drive
    • 磁盘驱动器执行机构
    • US20090086377A1
    • 2009-04-02
    • US12286084
    • 2008-09-25
    • Mutsuro OhtaMasakazu SasakiTakeshi ChawanyaKenji Suzuki
    • Mutsuro OhtaMasakazu SasakiTakeshi ChawanyaKenji Suzuki
    • G11B21/08
    • G11B5/5569
    • Embodiments of the present invention help provide a simple and inexpensive actuator mechanism for a magnetic disk drive. The actuator mechanism includes an approximately circular coil and a simple shaped magnet, and is capable of displaying adequate performance required for the magnetic disk drive. According to one embodiment, the magnetic disk drive includes an actuator mechanism which has an approximately circular coil and an approximately rectangular magnet. The long axis direction of the rectangular magnet is oriented in parallel to a straight line connecting the center of the inner circle of the circular coil in a state in which the actuator is positioned at the outermost circumference of a data area and the center of the inner circle of the circular coil in a state in which the actuator is positioned at the innermost circumference of the data area.
    • 本发明的实施例有助于提供用于磁盘驱动器的简单和便宜的致动器机构。 致动器机构包括近似圆形的线圈和简单形状的磁体,并且能够显示磁盘驱动器所需的足够的性能。 根据一个实施例,磁盘驱动器包括具有近似圆形线圈和近似矩形磁体的致动器机构。 矩形磁体的长轴方向平行于连接圆形线圈的内圆的中心的直线,该直线位于致动器位于数据区的最外周的状态,内周的中心 圆形线圈的圆圈处于致动器位于数据区域的最内周的状态。