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    Optical scanning system and image forming apparatus using the same
    1.
    发明申请
    Optical scanning system and image forming apparatus using the same 有权
    光学扫描系统和使用其的成像装置

    公开(公告)号：US20070041070A1

    公开(公告)日：2007-02-22

    申请号：US11503069

    申请日：2006-08-14

    申请人： Yoshihiro Ishibe ,  Takahisa Kato ,  Susumu Yasuda

    发明人： Yoshihiro Ishibe ,  Takahisa Kato ,  Susumu Yasuda

    IPC分类号： G02B26/08

    CPC分类号： G02B26/105 ,  G02B26/0833 ,  H04N1/02815

    摘要： Disclosed is an optical scanning system and an image forming apparatus, being small in size but able to produce high-quality image outputs, wherein the optical scanning system includes a deflecting device for scanningly deflect a light beam from a light source in a main scan direction, and an imaging optical system for imaging, upon a surface to be scanned, the light beam deflected by a deflecting surface of the deflecting device, wherein the deflecting surface is reciprocatingly moved to reciprocatingly scan the surface in the main scan direction with the light beam deflected by the deflecting surface, wherein a first direction refers to a direction of a phase difference of wavefront aberration in the main scan direction between a marginal ray and a principal ray of the light beam reflected by the deflecting surface at an effective deflection angle of the same corresponding to a largest scan position in an effective scan region, the phase difference being produced as a result of reflection of the light beam by the deflecting surface, while a second direction refers to a direction of the phase difference of wavefront aberration in the main scan direction between a marginal ray and a principal ray of the light beam reflected by the deflecting surface at an effective deflection angle thereof, the phase difference being produced as a result of transmission of the light beam through said imaging optical system, and wherein at least one optical system inside the imaging optical system is provided with at least one optical surface of non-arculate shape in a main scan section, so as to assure that the first and second directions are made opposite to each other.

    摘要翻译： 公开了一种光学扫描系统和图像形成装置，其尺寸小，但能够产生高质量的图像输出，其中光学扫描系统包括用于沿主扫描方向扫描地偏转来自光源的光束的偏转装置 以及成像光学系统，用于在待扫描的表面上对由偏转装置的偏转表面偏转的光束进行成像，其中偏转表面被往复移动，以使光束在主扫描方向上往复扫描表面 由偏转表面偏转，其中第一方向是指在主扫描方向上的波前像差的相位差的方向之间的边缘射线和由偏转表面反射的光束的主光线之间的有效偏转角的方向 与有效扫描区域中的最大扫描位置对应的相同，作为反射的结果产生相位差 而第二方向指的是在有效的偏转表面反射的光束的边缘光线和主光线之间的主扫描方向上的波前像差的相位差的方向 其偏转角由于通过所述成像光学系统的光束的透射而产生相位差，并且其中在成像光学系统内部的至少一个光学系统设置有至少一个非弧形形状的光学表面， 主扫描部分，以确保第一和第二方向彼此相反。

    Optical scanning system and image forming apparatus using the same
    2.
    发明授权
    Optical scanning system and image forming apparatus using the same 有权
    光学扫描系统和使用其的成像装置

    公开(公告)号：US07385746B2

    公开(公告)日：2008-06-10

    申请号：US11503069

    申请日：2006-08-14

    申请人： Yoshihiro Ishibe ,  Takahisa Kato ,  Susumu Yasuda

    发明人： Yoshihiro Ishibe ,  Takahisa Kato ,  Susumu Yasuda

    IPC分类号： G02B26/08 ,  B41J15/14

    CPC分类号： G02B26/105 ,  G02B26/0833 ,  H04N1/02815

    摘要： An optical scanning system includes a deflecting device to scanningly deflect a light beam from a light source in a main scan direction, and an imaging optical system for imaging, upon a surface to be scanned, the light beam deflected by a deflecting surface of the deflecting device. First and second differences in wavefront aberration are respectively produced as a result of reflection by the deflecting surface and as a result of transmission through the imaging optical system. At least one optical surface inside the imaging optical system is non-arcuate in a main scan section, so as to assure that the first and second phase differences are made opposite to each other.

    摘要翻译： 光学扫描系统包括用于沿主扫描方向扫描地偏转来自光源的光束的偏转装置，以及用于在被扫描的表面上成像由偏转的偏转表面偏转的光束的成像光学系统 设备。 波面像差的第一和第二差异分别由偏转表面的反射和通过成像光学系统传输的结果产生。 成像光学系统内的至少一个光学表面在主扫描部分中不是弧形的，以便确保第一和第二相位差彼此相反。

    Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator
    4.
    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。