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    • 17. 发明申请
    • Linear motor, drive stage, and XY drive stage
    • 直线电机,驱动级和XY驱动级
    • US20090096297A1
    • 2009-04-16
    • US12246557
    • 2008-10-07
    • Houng Joong KimKaoru Saito
    • Houng Joong KimKaoru Saito
    • H02K41/03
    • H02K41/03
    • A linear motor is provided in which a magnetic attracting force acting between a stator and a mover is mechanically cancelled by arrangement of armature units, and can be easily assembled. The linear motor includes a primary-side member in which magnets are arranged in a traveling direction and a secondary-side member in which armature units each including a core and an armature winding are arranged in the traveling direction and in which a spacer is interposed between the armature units. The primary- and secondary-side members relatively move. When a side-surface member is slid in Y direction, the dovetail groove of the side-surface member and the dovetail tenon of the spacer are fitted together, and are combined together in a dovetail joint. When an upper-surface member is slid in the X direction, the dovetail groove and tenon are fitted together to have a dovetail joint there. The armature units and the spacers are combined together. A driving stage and an XY driving stage including this linear motor are also provided.
    • 提供一种线性电动机,其中作用在定子和动子之间的磁吸引力通过电枢单元的布置机械地消除,并且可以容易地组装。 线性电动机包括在行进方向上配置有磁铁的一次侧部件和在行进方向上配置有各自包括铁心和电枢绕组的电枢单元的二次侧部件,并且间隔件插入在该二次侧部件之间 电枢单元。 初级和次级侧构件相对移动。 当侧面构件在Y方向上滑动时,侧面构件的燕尾槽和间隔件的燕尾榫装配在一起,并且以燕尾接头组合在一起。 当上表面构件沿X方向滑动时,燕尾槽和榫头装配在一起以在其中具有燕尾接头。 电枢单元和间隔件组合在一起。 还提供了包括该线性电动机的驱动级和XY驱动级。
    • 19. 发明授权
    • MOS read-only memory device
    • MOS只读存储器件
    • US4761769A
    • 1988-08-02
    • US890482
    • 1986-07-29
    • Kaoru Saito
    • Kaoru Saito
    • G11C17/18G11C17/12H03K19/094G11C7/00
    • G11C17/12H03K19/09429
    • An MOS type read-only memory device having a reduced power consumption has a clock signal generator circuit for generating a pair of positive and negative clock signals by detecting a change of an address signal in the ROM having MOS transistors used as a load and connected to bit lines, a tri-state circuit including an input, a control signal input, and an ouput; the tri-state circuit has its output impedance made higher due to a clock signal supplied to the control signal input. The device also has a switching circuit for keeping the MOS transistors used as a load in their active state based on a clock signal. The inputs and outputs of the tri-state circuit are each connected to the bit lines and gates of the MOS transistors used as a load. The switching circuit is connected to the gate side of the MOS transistors used as a load.
    • 具有降低的功耗的MOS型只读存储器件具有时钟信号发生器电路,用于通过检测具有用作负载的MOS晶体管的ROM中的地址信号的变化来产生一对正和负时钟信号,并连接到 位线,包括输入,控制信号输入和输出的三态电路; 由于提供给控制信号输入的时钟信号,三态电路的输出阻抗变高。 该器件还具有开关电路,用于基于时钟信号将用作负载的MOS晶体管用作其工作状态。 三态电路的输入和输出各自连接到用作负载的MOS晶体管的位线和栅极。 开关电路连接到用作负载的MOS晶体管的栅极侧。