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    • 3. 发明授权
    • Spindle motor attachment structure for a disc drive apparatus
    • 用于盘驱动装置的主轴电机附接结构
    • US08495668B2
    • 2013-07-23
    • US12540431
    • 2009-08-13
    • Yoshiaki YamauchiTakayuki FujimotoShinya TsubotaMakoto IbeNozomu HaradaSeiji HamaieShinya Asano
    • Yoshiaki YamauchiTakayuki FujimotoShinya TsubotaMakoto IbeNozomu HaradaSeiji HamaieShinya Asano
    • G11B17/03
    • G11B19/2009
    • A disc drive apparatus comprises: a spindle motor 20 for hold a disc 2 and for rotate it; an optical head 7 for conducting either one of recording or reproducing of information onto/from the disc; a driver unit for moving the optical head in a radial direction of the disc; and a unit mechanism chassis 8 for supporting those thereon, fixedly, wherein the spindle motor is constructed with a rotational drive means made of a magnetic circuit, a rotor portion and a rotation shaft, which define a rotation body, and a spindle motor attachment plate to hold those thereon, and the spindle motor attachment plate has a semi-circular shaped plate configuration in a part thereof, nearly fitting to an outer diameter the rotor portion, in a direction where the optical head is provided, and has a step-like structure in thickness direction of the plate thereof, within a semi-circular shaped region with respect to a line connecting between corner portions on both ends of that semi-circular shape, and also bridging over that line.
    • 盘驱动装置包括:用于保持盘2并旋转的主轴电动机20; 光头7,用于进行信息到盘上的记录或再现; 驱动单元,用于沿光盘的径向方向移动光学头; 以及固定地支撑其的单元机构底盘8,其中所述主轴电动机由具有旋转体的磁路,转子部分和旋转轴构成的旋转驱动装置构成,所述旋转驱动装置限定旋转体,以及主轴电机安装板 将其保持在其上,并且主轴电动机安装板在其一部分上具有半圆形板结构,其在设置有光学头的方向上几乎与转子部分的外径配合,并且具有阶梯状 相对于连接在该半圆形两端的角部之间的线的半圆形区域内,并且还跨越该线,在其板的厚度方向上的结构。
    • 4. 发明申请
    • Disc drive
    • 磁盘驱动器
    • US20070150909A1
    • 2007-06-28
    • US11528511
    • 2006-09-28
    • Takayuki FujimotoIkuo NishidaKohei TakitaYoichi NaruiMasahiro Matsuo
    • Takayuki FujimotoIkuo NishidaKohei TakitaYoichi NaruiMasahiro Matsuo
    • G11B17/04G11B33/14
    • G11B17/056G11B33/08G11B33/142
    • In a disc drive for achieving cooling of an electronic part therein, as well as, suppressing transmission of noises generated from a disc clamper, etc., a channel member 18 for introducing an outside air into an inside is disposed between a supporting member 15 and a top-cover 10, within an inside thereof is formed a vortex-like channel, extending from a center to an outer periphery thereof. At the center of the channel member 18 is formed an opening 19 for introducing the outside air into the inside of the disc drive, and on the top-cover 10 are provided plural numbers of openings 20 for taking the outside air into the channel member 18. When an optical disc 6 rotates, pressure generated on an upper surface thereof comes to be negative to the outside air, then the outside air is taken from the openings 20, through the vortex-like channel of the channel member 18 and the opening 19, into the inside of the drive, so as to pass through electronic parts, such as, an optical pickup, etc., thereby cooling them. Noises generated from the disc clamper 17 are attenuated within the vortex-like channel of a long route, which is formed within the channel member 18.
    • 在用于实现电子部件的冷却的盘驱动器中,以及抑制从盘夹持器等产生的噪声的传播,用于将外部空气引入到内部的通道构件18设置在支撑构件15和 在其内部的顶盖10形成有从中心延伸到外周的涡流状通道。 在通道构件18的中心形成有用于将外部空气引入盘驱动器的内部的开口19,并且在顶盖10上设置有用于将外部空气吸入通道构件18的多个开口20 。 当光盘6旋转时,在其上表面产生的压力对外界空气产生负面影响,通过通道部件18和开口19的涡流状通道从开口20取出外部空气, 进入驱动器的内部,以便通过诸如光学拾取器等的电子部件,从而冷却它们。 从盘夹持器17产生的噪声在形成在通道构件18内的长路线的涡流状通道内被衰减。
    • 8. 发明授权
    • Optical disc apparatus with mechanical chassis having a recess
    • 具有机械底座的光盘装置具有凹部
    • US08464282B2
    • 2013-06-11
    • US12805839
    • 2010-08-20
    • Takayuki FujimotoMakoto IbeSeiji HamaieNozomu HaradaShinya AsanoYoshiaki Yamauchi
    • Takayuki FujimotoMakoto IbeSeiji HamaieNozomu HaradaShinya AsanoYoshiaki Yamauchi
    • G11B33/14G11B33/12
    • G11B17/056
    • An optical disc apparatus, presenting recording quality without degradation by an extreme temperature rise in an objective-lens drive mechanism in an optical pickup, includes a mechanical chassis on which a disc rotation mechanism, an optical pickup, and a transfer mechanism are mounted, a decorative plate that is a plate-shaped member located between the disc and the optical pickup and fixed on the mechanical chassis, a disc tray for loading and removing the disc, a circuit board for operation control, and an apparatus housing containing the components. A recess is formed in an indented shape in a portion of the mechanical chassis facing an outer peripheral region of the disc recording surface. An incline is formed in a position close to an opening of the disc tray for mounting the mechanical chassis and opposite the outer peripheral region of the disc recording surface, and slopes gently down to the recess.
    • 在光拾取器中的物镜驱动机构中,呈现记录质量而不会由于物镜驱动机构的极端温度升高而降低的光盘装置包括其上安装有盘旋转机构,光拾取器和传送机构的机械底盘, 装饰板,其是位于盘和光学拾取器之间并固定在机械底盘上的盘形构件,用于装载和移除盘的盘托盘,用于操作控制的电路板和容纳部件的装置壳体。 在面向盘记录表面的外周区域的机械底盘的一部分中形成凹口形状的凹部。 在靠近盘托盘的开口的位置处形成倾斜,用于安装机械底盘并与盘记录表面的外周区域相对,并且倾斜地向下倾斜到凹部。
    • 9. 发明申请
    • Optical disc apparatus
    • 光盘装置
    • US20110055856A1
    • 2011-03-03
    • US12805839
    • 2010-08-20
    • Takayuki FujimotoMakoto IbeSeiji HamaieNozomu HaradaShinya AsanoYoshiaki Yamauchi
    • Takayuki FujimotoMakoto IbeSeiji HamaieNozomu HaradaShinya AsanoYoshiaki Yamauchi
    • G11B17/04
    • G11B17/056
    • An optical disc apparatus, presenting recording quality without degradation by an extreme temperature rise in an objective-lens drive mechanism in an optical pickup, includes a mechanical chassis on which a disc rotation mechanism, an optical pickup, and a transfer mechanism are mounted, a decorative plate that is a plate-shaped member located between the disc and the optical pickup and fixed on the mechanical chassis, a disc tray for loading and removing the disc, a circuit board for operation control, and an apparatus housing containing the components. A recess is formed in an indented shape in a portion of the mechanical chassis facing an outer peripheral region of the disc recording surface. An incline is formed in a position close to an opening of the disc tray for mounting the mechanical chassis and opposite the outer peripheral region of the disc recording surface, and slopes gently down to the recess.
    • 在光拾取器中的物镜驱动机构中,呈现记录质量而不会由于物镜驱动机构的极端温度升高而降低的光盘装置包括其上安装有盘旋转机构,光拾取器和传送机构的机械底盘, 装饰板,其是位于盘和光学拾取器之间并固定在机械底盘上的盘形构件,用于装载和移除盘的盘托盘,用于操作控制的电路板和容纳部件的装置壳体。 在面向盘记录表面的外周区域的机械底盘的一部分中形成凹口形状的凹部。 在靠近盘托盘的开口的位置处形成倾斜,用于安装机械底盘并与盘记录表面的外周区域相对,并且倾斜地向下倾斜到凹部。