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    • 4. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20130064579A1
    • 2013-03-14
    • US13399380
    • 2012-02-17
    • Masaaki TakahashiYasuhiro ShimadaTakashi HoshinoKoichi SatoKazutoshi SugitaniYusuke SakaiKoji DeguchiKazuyoshi Hagiwara
    • Masaaki TakahashiYasuhiro ShimadaTakashi HoshinoKoichi SatoKazutoshi SugitaniYusuke SakaiKoji DeguchiKazuyoshi Hagiwara
    • G03G15/01
    • G03G15/1615G03G15/0131G03G2215/00156
    • An image forming apparatus includes an image bearing member, a medium transport member, an image transfer member, a first detection member detecting widthwise deviation of the image bearing member, a first deviation correcting member tiltable relative to the width direction and supporting the image bearing member, a first correction control section tilting the first deviation correcting member to correct deviation of the image bearing member, a second detection member detecting widthwise deviation of the transport member, a second deviation correcting member tiltable relative to the width direction and supporting the transport member, and a second correction control section tilting the second deviation correcting member to correct deviation of the transport member. A width-direction moving amount of the image bearing member per unit time when the first deviation correcting member is tilted is larger than that of the transport member per unit time when the second deviation correcting member is tilted.
    • 图像形成装置包括图像承载部件,介质输送部件,图像转印部件,检测图像承载部件的宽度方向偏移的第一检测部件,能够相对于宽度方向倾斜的第一偏离修正部件,并支撑图像承载部件 第一校正控制部分,倾斜第一偏差校正构件以校正图像承载构件的偏差;第二检测构件,其检测输送构件的宽度方向偏差;第二偏差校正构件,其相对于宽度方向可倾斜并支撑传送构件; 以及第二校正控制部分,其倾斜所述第二偏差校正构件以校正所述传送构件的偏差。 当第一偏差校正部件倾斜时,每单位时间的图像承载部件的宽度方向移动量比第二偏移校正部件倾斜时的每单位时间的传送部件的宽度方向移动量大。
    • 7. 发明授权
    • Optical deflector and optical instrument using the same
    • 光学偏转器和光学仪器使用相同
    • US07423795B2
    • 2008-09-09
    • US11753062
    • 2007-05-24
    • Takahisa KatoKazutoshi TorashimaYukio FurukawaYasuhiro Shimada
    • Takahisa KatoKazutoshi TorashimaYukio FurukawaYasuhiro Shimada
    • G02B26/08
    • G02B26/105G02B26/085
    • An optical deflector includes an oscillating system and a driving system for driving the oscillating system, the oscillating system including a first oscillator, a first torsion spring, a second oscillator, a second torsion spring and a supporting member, the first oscillator including a first movable element having a light deflecting element configured to deflect light, the second oscillator including a second movable element having a mass adjusting member configured to adjust a mass, wherein the first movable element is resiliently supported by the second movable element through the first torsion spring, for torsional oscillation about an oscillation axis, wherein the second movable element is resiliently supported by the supporting member through the second torsional spring, for torsional oscillation about the oscillation axis, and wherein the oscillating system has at least two natural oscillation modes having different frequencies, about the oscillation axis.
    • 光偏转器包括振荡系统和用于驱动振荡系统的驱动系统,所述振荡系统包括第一振荡器,第一扭转弹簧,第二振荡器,第二扭转弹簧和支撑部件,所述第一振荡器包括第一可动 具有配置成使光偏转的光偏转元件的第二振荡器包括具有构造成调节质量的质量调节构件的第二可移动元件,其中第一可移动元件由第二可移动元件通过第一扭转弹簧弹性地支撑, 围绕振荡轴的扭转振荡,其中第二可移动元件由支撑构件通过第二扭转弹簧弹性地支撑,用于围绕振荡轴线的扭转振荡,并且其中振荡系统具有至少两个具有不同频率的固有振荡模式,约为 振荡轴。