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    Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator
    7.
    发明授权
    Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator 失效
    电磁执行器，光学扫描仪和电磁执行器的制备方法

    公开(公告)号：US06674350B2

    公开(公告)日：2004-01-06

    申请号：US09871637

    申请日：2001-06-04

    申请人： Futoshi Hirose ,  Takayuki Yagi ,  Susumu Yasuda ,  Takahisa Kato

    发明人： Futoshi Hirose ,  Takayuki Yagi ,  Susumu Yasuda ,  Takahisa Kato

    IPC分类号： H01F300

    CPC分类号： H01F7/081 ,  H01F7/066 ,  H01F7/1638 ,  Y10T29/49007 ,  Y10T29/49009 ,  Y10T29/4902 ,  Y10T29/49025 ,  Y10T29/49032 ,  Y10T29/49034 ,  Y10T29/49052 ,  Y10T29/4906

    摘要： An electromagnetic actuator includes a stationary member, a movable member magnetically coupled with the stationary member with a gap therebetween, and a support member for displaceably supporting the movable member relative to the stationary member. Both the stationary member and the movable member have a core section carrying a coil wound around its periphery. As the coil of the stationary member and that of the movable member are energized with electric current, the movable member is either attracted toward or repulsed from the stationary member. The electromagnetic actuator can be used for an optical scanner by providing a mirror and a lens on the movable member.

    摘要翻译： 电磁致动器包括固定构件，与静止构件磁耦合并具有间隙的可动构件和用于相对于静止构件可移动地支撑可动构件的支撑构件。 固定构件和可动构件都具有围绕其周边缠绕线圈的芯部。 由于固定构件的线圈和可动构件的线圈被电流通电，所以可动构件被吸引向静止构件或从静止构件排出。 电磁致动器可以通过在可动构件上设置反射镜和透镜而用于光学扫描器。

    Electrostatic actuator driving method and mechanism, using rigidity retention as a parameter
    8.
    发明授权
    Electrostatic actuator driving method and mechanism, using rigidity retention as a parameter 失效
    静电致动器的驱动方式和机构，采用刚性保持作为参数

    公开(公告)号：US06525446B1

    公开(公告)日：2003-02-25

    申请号：US09592560

    申请日：2000-06-12

    申请人： Susumu Yasuda ,  Takayuki Yagi ,  Futoshi Hirose

    发明人： Susumu Yasuda ,  Takayuki Yagi ,  Futoshi Hirose

    IPC分类号： H02N100

    CPC分类号： H02N1/004 ,  H02K2201/18

    摘要： In a method of driving an electrostatic actuator which has a stator having driving electrodes in plural phases and a traveler moved along the stator by application of a driving voltage to the driving electrodes, the driving voltage applied to the driving electrodes is decided according to a voltage function employing as arguments a relative movement position of the traveler and/or a retention rigidity with which the traveler is retained at a standing position on the stator. An electrostatic actuator mechanism comprises a stator having driving electrodes in plural phases, a traveler relatively moved along the stator, a voltage applying means for applying a driving voltage to the driving electrodes, and a voltage function means for deciding the driving voltage applied to the driving electrodes according to a voltage function employing as argument a relative movement position of the traveler and/or a retention rigidity with which the traveler is retained at the standing position on the stator.

    摘要翻译： 在驱动具有多个具有驱动电极的定子的静电致动器的方法中，通过向驱动电极施加驱动电压而沿定子移动的行进器，施加到驱动电极的驱动电压根据电压 使用作为参考的参数的乘客的相对运动位置和/或保持刚性，轨道保持在定子的静止位置。静电致动器机构包括具有多个驱动电极的定子，一个相对移动的行进器 定子，用于向驱动电极施加驱动电压的电压施加装置和用于根据作为参数的电压函数来决定施加到驱动电极的驱动电压的电压功能装置，所述电压函数用作旅行者的相对运动位置和/或 保持刚性，使得旅行者保持在站台上的站立位置 呃

    Electrostatic actuator and method of driving the same
    9.
    发明授权
    Electrostatic actuator and method of driving the same 失效
    静电执行机构及其驱动方法

    公开(公告)号：US06472795B2

    公开(公告)日：2002-10-29

    申请号：US09791845

    申请日：2001-02-26

    申请人： Futoshi Hirose ,  Takayuki Yagi ,  Susumu Yasuda

    发明人： Futoshi Hirose ,  Takayuki Yagi ,  Susumu Yasuda

    IPC分类号： H02N100

    CPC分类号： H02N1/008

    摘要： An electrostatic actuator includes a stator having a circular surface carrying a plurality of drive electrodes, a rotor arranged opposite to the surface of the stator and a drive circuit for applying a drive voltage to the drive electrodes. Each of the drive electrodes has an arcuate profile extending from the center toward the outer periphery of the circular surface. The rotor can be driven to rotate in either direction of rotation by changing the mode of applying voltages to the drive electrodes. The rotor is floated above the stator by dynamic pressure generated by an oscillator, typically a piezoelectric element, provided under the stator. The distance between the rotor and the stator can be adjusted by controlling drive voltages applied to the oscillator.

    摘要翻译： 静电致动器包括具有承载多个驱动电极的圆形表面的定子，与定子的表面相对设置的转子和用于向驱动电极施加驱动电压的驱动电路。 每个驱动电极具有从圆形表面的中心向外周延伸的弧形轮廓。 通过改变向驱动电极施加电压的模式，转子可以被驱动以沿任意的旋转方向旋转。 转子通过由设置在定子下方的振荡器（通常为压电元件）产生的动态压力浮动在定子上方。 可以通过控制施加到振荡器的驱动电压来调节转子和定子之间的距离。