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    • 15. 发明申请
    • OPTICAL DISC APPARATUS
    • 光盘设备
    • US20090288107A1
    • 2009-11-19
    • US12430165
    • 2009-04-27
    • Yoichi NARUIIkuo NishidaYoshiyuki TanakaHisahiro Miki
    • Yoichi NARUIIkuo NishidaYoshiyuki TanakaHisahiro Miki
    • G11B17/04
    • G11B17/051
    • An optical disc apparatus including first to fourth disc guides. At the end of disc loading, the first one, in a fixed position, contacts a peripheral side face of the optical disc at a first point thereon to support the disc; the second one has a plane opposite to the peripheral side face which contacts the peripheral side face of the optical disc at a second point to support the disc while restrained from moving away from the side face; the third one contacts the peripheral side face of the optical disc at a third point to support the disc while biased by a spring; and the fourth one contacts the side face at a fourth point while biased by a spring to support the disc, and is restrained from moving against the resilience of the spring. The disc, supported by those disc guides, is chucked by a clamper.
    • 一种光盘装置,包括第一至第四盘导向件。 在盘装载结束时,第一个在固定位置,在其上的第一点处接触光盘的周边侧面以支撑盘; 第二个具有与在第二点处接触光盘的周边侧面的周边侧面相对的平面,以支撑盘,同时限制远离侧面移动; 第三个在第三点接触光盘的周边侧面,以在弹簧偏压的同时支撑盘; 并且第四个在第四点处接触侧面,同时由弹簧偏压以支撑盘,并且被抑制抵抗弹簧的弹性运动。 由这些盘导向器支撑的盘被夹持器卡住。
    • 16. 发明授权
    • Linear motor system
    • 直线电机系统
    • US07619377B2
    • 2009-11-17
    • US11664420
    • 2005-09-28
    • Kenji YamadaAkihiko MaemuraShinya MorimotoToru ShikayamaYoshiyuki TanakaMamoru Takaki
    • Kenji YamadaAkihiko MaemuraShinya MorimotoToru ShikayamaYoshiyuki TanakaMamoru Takaki
    • H02P25/06H02K41/02
    • H02K41/031B60L13/03H02K3/28H02K11/215H02K16/04H02K2213/12H02P25/06
    • A linear motor system that can extend the stroke of a linear motor, with power saving and at a low cost, is provided.In a linear motor system, constituted by a linear motor 100, a controller 7 for supplying a variable voltage, a winding switching device 6, for opening and closing phase windings 5 of individual phases that form a plurality of winding groups 4 that are separated in a stroke direction, the winding switching device 6 is constituted by a three-phase rectifying member, a semiconductor switch, which is located at both ends on the direct-current output side of the three-phase rectifying member, and a resistor and a capacitor, connected in parallel to the semiconductor switch. For each of the phase windings, which form the plurality of winding groups 4, separated in the stroke direction, one end is connected to the output end of the controller 7 and the other end is connected to an alternating-current input side of the three-phase rectifying member of the winding switching device 6. And by opening or closing the semiconductor switch included in the winding switching device 6, of the plurality of winding groups 4 separated in the stroke direction, only a desired winding group 4 is excited.
    • 提供了一种能够延长线性电动机的行程的线性电动机系统,其节能且成本低。 在由线性电动机100构成的线性电动机系统中,用于提供可变电压的控制器7,用于打开和关闭形成多个绕组组4的各相的相绕组5的绕组开关装置6, 卷绕切换装置6由位于三相整流构件的直流输出侧的两端的三相整流构件和半导体开关构成,电阻器和电容器 ,与半导体开关并联连接。 对于形成沿行程方向分离的多个绕组组4的每个相绕组,其一端连接到控制器7的输出端,另一端连接到三相的交流输入侧 并且通过打开或关闭包括在绕组切换装置6中的半导体开关,在沿行程方向分离的多个绕组组4中,仅激励期望的绕组4。
    • 19. 发明申请
    • Linear Motor System
    • 直线电机系统
    • US20080106155A1
    • 2008-05-08
    • US11664420
    • 2005-09-28
    • Kenji YamadaAkihiko MaemuraShinya MorimotoToru ShikayamaYoshiyuki TanakaMamoru Takaki
    • Kenji YamadaAkihiko MaemuraShinya MorimotoToru ShikayamaYoshiyuki TanakaMamoru Takaki
    • H02K41/02H02P7/28
    • H02K41/031B60L13/03H02K3/28H02K11/215H02K16/04H02K2213/12H02P25/06
    • A linear motor system that can extend the stroke of a linear motor, with power saving and at a low cost, is provided.In a linear motor system, constituted by a linear motor 100, a controller 7 for supplying a variable voltage, a winding switching device 6, for opening and closing phase windings 5 of individual phases that form a plurality of winding groups 4 that are separated in a stroke direction, the winding switching device 6 is constituted by a three-phase rectifying member, a semiconductor switch, which is located at both ends on the direct-current output side of the three-phase rectifying member, and a resistor and a capacitor, connected in parallel to the semiconductor switch. For each of the phase windings, which form the plurality of winding groups 4, separated in the stroke direction, one end is connected to the output end of the controller 7 and the other end is connected to an alternating-current input side of the three-phase rectifying member of the winding switching device 6. And by opening or closing the semiconductor switch included in the winding switching device 6, of the plurality of winding groups 4 separated in the stroke direction, only a desired winding group 4 is excited.
    • 提供了一种能够延长线性电动机的行程的线性电动机系统,其节能且成本低。 在由线性电动机100构成的线性电动机系统中,用于提供可变电压的控制器7,用于打开和关闭形成多个绕组组4的各相的相绕组5的绕组开关装置6, 卷绕切换装置6由位于三相整流构件的直流输出侧的两端的三相整流构件和半导体开关构成,电阻器和电容器 ,与半导体开关并联连接。 对于形成沿行程方向分离的多个绕组组4的每个相绕组,其一端连接到控制器7的输出端,另一端连接到三相的交流输入侧 绕组切换装置6的相位整流构件。 通过打开或关闭包括在绕组切换装置6中的半导体开关,在行进方向上分离的多个绕组组4中,只有期望的绕组4被激励。