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1. 发明授权

EP2012146B1 Optical scanning device and image forming apparatus using the same 有权
标题翻译：光学扫描装置及使用其的图像形成装置
公开(公告)号：EP2012146B1
公开(公告)日：2014-06-18
申请号：EP08011935.7
申请日：2008-07-02
申请人： Canon Kabushiki Kaisha
发明人： Ishibe, Yoshihiro
IPC分类号： G02B3/02 , G02B13/00 , G02B26/12 , G03G15/32 , H04N1/12 , H04N1/113
CPC分类号： G02B26/125 , G02B26/123 , G03G15/0435 , G03G15/326 , H04N1/1135 , H04N1/12

2. 发明公开

EP2012146A2 Optical scanning device and image forming apparatus using the same 有权
标题翻译：光学扫描装置及使用其的图像形成装置
公开(公告)号：EP2012146A2
公开(公告)日：2009-01-07
申请号：EP08011935.7
申请日：2008-07-02
申请人： Canon Kabushiki Kaisha
发明人： Ishibe, Yoshihiro
IPC分类号： G02B3/02 , G02B13/00 , G02B26/12
CPC分类号： G02B26/125 , G02B26/123 , G03G15/0435 , G03G15/326 , H04N1/1135 , H04N1/12
摘要： An optical scanning device includes a rotary polygonal mirror, an input optical system for direct a light beam from a light source to a deflecting surface of the rotary polygonal mirror, and an imaging optical system for imaging the deflected light beam on a scan surface, wherein in a main scan section the light beam incident on the deflecting surface has a beam width wider than a width of the deflecting surface, wherein at least one optical surface of at least one imaging optical element of the imaging optical system has a shape in the sub-scan section which shape is a non-arcuate shape including an aspherical coefficient of quartic or higher order, and wherein the aspherical coefficient of quartic or higher order changes in the main-scan direction and from a scan central portion of the imaging optical element to a scan end portion of the imaging optical element.
摘要翻译：一种光学扫描装置包括旋转多面镜，用于将来自光源的光束引导到旋转多面镜的偏转表面的输入光学系统以及用于将偏转的光束成像在扫描表面上的成像光学系统，其中，在主扫描截面中，入射到偏转表面上的光束具有比偏转表面的宽度更宽的光束宽度，其中成像光学系统的至少一个成像光学元件的至少一个光学表面具有子所述形状是包括四次或更高阶非球面系数的非弓形形状，并且其中所述四次或更高阶的非球面系数在所述主扫描方向上并且从所述成像光学元件的扫描中心部分改变为成像光学元件的扫描端部。

3. 发明授权

EP1139142B1 Light-scanning optical system and image-forming apparatus using it 有权
标题翻译：使用相同的用于光扫描和图像形成设备的光学系统
公开(公告)号：EP1139142B1
公开(公告)日：2006-06-14
申请号：EP01108031.4
申请日：2001-03-29
申请人： CANON KABUSHIKI KAISHA
发明人： Ishibe, Yoshihiro
IPC分类号： G02B26/12 , H04N1/113
CPC分类号： G02B26/124 , G02B26/125

4. 发明公开

EP1248135A2 Multibeam scanning optical system and image forming apparatus using the same 有权
标题翻译：具有扫描光学系统的多个光束，并且图像形成设备与其配
公开(公告)号：EP1248135A2
公开(公告)日：2002-10-09
申请号：EP02252178.5
申请日：2002-03-26
申请人： CANON KABUSHIKI KAISHA
发明人： Ishibe, Yoshihiro
IPC分类号： G02B26/10
CPC分类号： G02B26/123
摘要： A multibeam scanning optical system includes a light source unit having a light source and a plurality of beam converting elements having a first optical system for converting a beam emitted from the light source into a divergent beam or a convergent beam, beam combining element for combining a plurality of divergent beams or convergent beams emerging from the light source unit, and causing them to emerge substantially in the same direction, a second optical system for causing the plurality of divergent beams or convergent beams combined by the beam combining element to be imaged as a linear image long in the main scanning direction, deflector having a deflecting surface at or near the imaging position of the second optical system, and for reflecting and deflecting the plurality of incident divergent beams or convergent beams in the main scanning direction, and a third optical system for causing the plurality of divergent beams or convergent beams reflected and deflected by the deflector to be imaged on a surface to be scanned. Adjusting unit is provided for adjusting the relative position of the plurality of divergent beams or convergent beams in the sub scanning direction to thereby adjust the relative imaging position of the plurality of beams in the sub scanning direction on the surface to be scanned.
摘要翻译：多光束扫描光学系统包括：具有光源和光束转换元件的具有第一光学系统，用于从所述光源发出的光束转换成发散光束或会聚光束，光束用于组合合成元件的多个光源单元发散光束或会聚光束新兴从光源单元，并且使它们以相同的方向基本上出现的多个，用于使发散光束或会聚光束通过光束组合元件组合的多个第二光学系统将被成像为线性图像长在主扫描方向上，具有偏转器的偏转表面处或附近的第二光学系统的成像位置，并且用于反射和偏转入射的发散光束或会聚光束的多个沿主扫描方向，和第三光学系统用于使得的发散光束或会聚光束的多元反射并由偏转偏转或要被成像在要被扫描的表面。调节单元被设置用于调整所述副扫描方向上的发散光束或会聚光束的多个相对位置，从而调节在表面上在副扫描方向的光束的多个相对成像位置进行扫描。

5. 发明公开

EP1024012A2 Optical scanning apparatus and image forming apparatus and electrophotographic printer using such scanning apparatus 有权
标题翻译：一种光学拾取装置，图像形成装置和该扫描装置中使用的方向电子照相打印机
公开(公告)号：EP1024012A2
公开(公告)日：2000-08-02
申请号：EP00101301.0
申请日：2000-01-22
申请人： CANON KABUSHIKI KAISHA
发明人： Yoshida, Hiroki , Ishibe, Yoshihiro
IPC分类号： B41J2/47
CPC分类号： H04N1/053 , B41J2/473 , G02B26/123 , G06K15/1219 , H04N1/1135 , H04N1/12 , H04N1/1911 , H04N2201/0471 , H04N2201/04713 , H04N2201/04732 , H04N2201/04744
摘要： An optical scanning apparatus is capable of scanning a surface with a plurality of fluxes of light along a principal scanning direction. In the apparatus, a plurality of fluxes of light are emitted by a plurality of light sources arranged at intervals along an auxiliary scanning direction perpendicular to the principal scanning direction. The plurality of fluxes of light are lead to an optical deflector via an optical system for incident light and deflected by the optical deflector. Most part of the deflected fluxes of light are lead to the surface via an imaging optical system for scanning the surface, while small part of the deflected fluxes of light are lead to a photodetector to generate a synchronizing signal for controlling the timing of the scanning start of each of the fluxes of light. A slit is arranged between the optical deflector and the photodetector and the slit is inclined relative to the auxiliary scanning direction, whereby the scanning start timings for the plurality of fluxes of light are adjusted. The optical scanning apparatus is used in an image forming apparatus or an electrophotographic printer.
摘要翻译：光学扫描装置是能够扫描表面的光的光通量的沿主扫描方向的多个。在该装置中，光的通量的多元性通过的间隔沿着垂直于主扫描方向辅助扫描方向设置的光源一个多元化触发。光的通量的多元性经由导致对光学偏转器，用于将入射光的光学系统上，并通过光学偏转器偏转。光的偏转磁通量的大部分通过在用于扫描表面的成像光学系统导致的表面上，而光的偏转光束的一小部分被导致光检测器，以产生一个同步信号，用于控制扫描开始的定时的每个光的通量。狭缝在光学偏转器和光检测器和所述狭缝之间设置相对于副扫描方向，由此对于光的通量的多个扫描开始定时被调整倾斜。光学扫描装置在图像形成装置中使用，或电子照相打印机。

6. 发明公开

EP0851261A3 Scanning optical apparatus 失效
标题翻译： OptischesAbtastgerät
公开(公告)号：EP0851261A3
公开(公告)日：1998-09-23
申请号：EP97122397.9
申请日：1997-12-18
申请人： CANON KABUSHIKI KAISHA
发明人： Fujibayashi, Kazuo , Hoshi, Koji , Kato, Manabu , Ishibe, Yoshihiro
IPC分类号： G02B26/12 , H04N1/113
CPC分类号： G02B26/125 , G02B13/0005
摘要： A scanning optical apparatus includes a light source device, a first optical element for converting a beam emitted from the light source device to a converging light beam, a deflecting element for deflecting the beam emitted from the light source device, a second optical element for focusing the beam emerging from the first optical element in a linear shape longitudinal in a main scanning direction on a deflective face of the deflecting element, and a third optical element for focusing the beam deflected by the deflecting element in a spot shape on a scanned surface. The third optical element has a spherical lens and a toric lens in order from the side of the deflecting element, surfaces of the spherical lens comprise a meniscus shape of positive refracting power with a concave surface faced toward the deflecting element, and the toric lens has two lens surfaces formed in aspherical shapes in a main scanning section and comprising a meniscus shape of positive refracting power with a convex surface faced toward the deflecting element in the vicinity of a center of scan.
摘要翻译：一种扫描光学装置，包括光源装置，用于将从光源装置发射的光束转换为会聚光束的第一光学元件，用于偏转从光源装置发射的光束的偏转元件，用于聚焦的第二光学元件在偏转元件的偏转面上以主扫描方向纵向呈直线形状的第一光学元件出射的光束，以及用于将由偏转元件偏转的光束以斑点形状聚焦在扫描表面上的第三光学元件。第三光学元件具有从偏转元件一侧依次的球面透镜和复曲面透镜，球面透镜的表面包括正折射率的弯月形，凹面朝向偏转元件，复曲面具有在主扫描部分中形成为非球面形状的两个透镜表面，并且包括在折射中心附近具有朝向偏转元件的凸表面的正折射率的弯月形状。

7. 发明公开

EP2357506A1 Optical scanning apparatus and method for adjusting the same 审中-公开
标题翻译： Optische Abtastvorrichtung und Verfahren zu dessen Einstellung
公开(公告)号：EP2357506A1
公开(公告)日：2011-08-17
申请号：EP11156922.4
申请日：2005-10-12
申请人： Canon Kabushiki Kaisha
发明人： Ishibe, Yoshihiro
IPC分类号： G02B26/12 , G02B7/02 , G02B27/42 , G02B5/18
CPC分类号： G02B27/42 , G02B5/1895 , G02B7/028 , G02B26/125 , G02B26/127 , G02B27/4211 , G02B27/4227 , G02B27/4283 , H04N1/1135 , Y10S359/90
摘要： An optical scanning apparatus comprising a light source, an incident optical system for guiding a light beam from the light source to a deflecting means, and an imaging optical system for guiding said light beam onto a surface to be scanned, wherein the incident optical system comprises an anamorphic condenser lens of plastic material having an optical power in a main scanning direction and an optical power in a sub-scanning direction being different from each other, and means for adjusting a beam diameter in the main scanning direction of the imaging spot on the surface to be scanned, and the anamorphic condenser lens comprises a diffractive portion having an optical power on at least one surface, and both the optical power in the main scanning direction and in the sub scanning direction of the refractive portion of the anamorphic condenser lens have a positive optical power and both the optical power in the main scanning direction and in the sub scanning direction of the diffractive portion of the anamorphic condenser lens have a positive optical power and satisfy a conditional expression.
摘要翻译：一种光学扫描装置，包括光源，用于将来自光源的光束引导到偏转装置的入射光学系统，以及用于将所述光束引导到待扫描的表面上的成像光学系统，其中入射光学系统包括具有主扫描方向的光焦度和副扫描方向的光功率彼此不同的塑料材料的变形聚光透镜，以及用于调整成像光点的主扫描方向的光束直径的装置，并且变形聚光透镜包括在至少一个表面上具有光焦度的衍射部分，并且变形聚光透镜的折射部分的主扫描方向和副扫描方向上的光焦度都具有正光焦度和衍射的主扫描方向和副扫描方向的光焦度变形聚光透镜的一部分具有正光焦度并满足条件表达式。

8. 发明公开

EP1942651A1 Optical scanning device and image forming apparatus using the same 有权
标题翻译：光学扫描装置及使用其的图像形成装置
公开(公告)号：EP1942651A1
公开(公告)日：2008-07-09
申请号：EP08000026.8
申请日：2008-01-02
申请人： Canon Kabushiki Kaisha
发明人： Tomioka, Yuichi , Ishibe, Yoshihiro
IPC分类号： H04N1/191 , G02B26/12
CPC分类号： H04N1/1912 , G02B26/123 , H04N1/1135 , H04N1/1916 , H04N2201/04789
摘要： An optical scanning device includes a rotary polygonal mirror for scanningly deflecting light beams emitted from a light source device having light emitting members disposed spaced apart from each other in a main-scan direction, an input optical system by which, in a sub-scan section, light beams are incident on a deflecting surface of the rotary polygonal mirror in an oblique direction with respect to a normal to the deflecting surface, and an imaging optical system by which the light beams scanningly deflected by the rotary polygonal mirror are imaged on a surface to be scanned, wherein, when a maximum pivot angle of said rotary polygonal mirror is θ max [deg], the angle defined in the main-scan section between optical axes of the input optical system and the imaging optical system is 2ø [deg], the focal length of a converting optical element in the main-scan section is f col [mm], the spacing between two light emitting members most spaced apart from each other in the main-scan direction is a [mm], the largest oblique incidence angle in the sub-scan section of the light beams incident on the deflecting surface is α [deg], the imaging magnification of the imaging optical system in the sub-scan section is βs, the inscribed-circle radius of the rotary polygonal mirror is denoted by R [mm], and the resolution of an image in the sub-scan direction is denoted by DPI [dot/inch], a conditional expression | tan θ max cosφ × a fcol × R × βs × tanα × DPI 25.4 | ≤ 0.05
is satisfied.
摘要翻译：一种光学扫描装置包括：旋转多面镜，用于对从光源装置发射的光束进行扫描偏转，所述光源装置具有在主扫描方向上彼此间隔开的光发射部件;输入光学系统，在副扫描部分光束以相对于偏转表面的法线倾斜的方向入射在旋转多面镜的偏转表面上，以及成像光学系统，通过该成像光学系统使由旋转多面镜扫描偏转的光束成像在表面上其中，当所述旋转多面镜的最大旋转角度为θmax[deg]时，在输入光学系统和成像光学系统的光轴之间的主扫描截面中限定的角度为2°[deg] 主扫描截面中的转换光学元件的焦距为fcol [mm]，在主扫描方向上彼此最隔开的两个发光元件之间的间隔当入射到偏转表面上的光束的副扫描截面中的最大倾斜入射角是α[deg]时，副扫描截面中的成像光学系统的成像倍率是βs，旋转多面镜的内切圆半径由R [mm]表示，并且副扫描方向上的图像的分辨率由DPI [点/英寸]表示，条件表达式|tanθmaxcosφ×afcol×R× 满足βs×tanα×DPI25.4 |≤0.05。

9. 发明公开

EP1895350A1 Optical scanning device and image forming apparatus using the same 审中-公开
标题翻译：光学扫描装置及使用其的图像形成装置
公开(公告)号：EP1895350A1
公开(公告)日：2008-03-05
申请号：EP07016760.6
申请日：2007-08-27
申请人： Canon Kabushiki Kaisha
发明人： Yoshida, Hiroki , Ishibe, Yoshihiro
IPC分类号： G02B26/10
CPC分类号： G02B26/105
摘要： An optical scanning device having a deflector with an oscillating element wherein a relation 0.85 0 /dθ 0 ) 0 is a deflection angle of the oscillating element as a light beam scans the centre position Y 0 of an effective scan region on a scan surface with respect to a main-scan direction, θ is the deflection angle of the oscillating element as the light beam scans a scan position Y in the effective scan region with respect to the main-scan direction, dY 0 is an amount of change at the centre position Y 0 on the scan surface with reference to an amount of change dθ 0 of the oscillating element at the deflection angle θ 0 , and dY is an amount of change at the scan position Y on the scan surface with reference to an amount of change dθ of the oscillating element at the deflection angle θ.
摘要翻译：一种具有带有振荡元件的偏转器的光学扫描装置，其中在有效扫描区域内满足0.85 <（dY / d0）/（dY0 / d0）<1.15的关系，其中θ0是振荡元件作为光的偏转角光束扫描相对于主扫描方向的扫描表面上的有效扫描区域的中心位置Y0，θ是当光束扫描有效扫描区域中的扫描位置Y时振荡元件相对于主扫描方向dY0是以偏转角θ0时的振动元件的变化量dθ0为基准的扫描面上的中心位置Y0的变化量，dY是扫描位置的变化量 Y相对于偏转角度θ的振动元件的变化量dθ在扫描面上的位置。

10. 发明公开

EP1821130A2 Optical scanning apparatus and image forming apparatus using same 审中-公开
标题翻译： Optische Abtastvorrichtung und Bilderzeugungsvorrichtung damit
公开(公告)号：EP1821130A2
公开(公告)日：2007-08-22
申请号：EP06127244.9
申请日：2006-12-27
申请人： CANON KABUSHIKI KAISHA
发明人： Ishibe, Yoshihiro
IPC分类号： G02B26/10
CPC分类号： G02B26/105
摘要： An optical scanning apparatus allowing reduction in the size of the overall apparatus and the size of an imaging optical system LB with the use of an optical deflector 6 that swings back-and-forth and an image forming apparatus using such an optical scanning apparatus, comprising: light source means 1; a condense optical system 4 that condenses a light beam emitted from the light source means; an optical deflector that deflects the light beam emergent from the condense optical system; and an imaging optical system that images the light beam deflected by a deflection surface 6a of the optical deflector on a scanning surface 8, wherein the optical deflector has a function of moving the deflection surface back-and-forth, the light beam emergent from the condense optical system converges in a sub-scanning cross section, and the convergence position P is on the light source side of the deflection surface.
摘要翻译：通过使用前后摆动的光偏转器6和使用这种光学扫描装置的图像形成装置，允许减小整个装置的尺寸和成像光学系统LB的尺寸的光学扫描装置，包括光源装置1; 冷凝从光源装置发射的光束的冷凝光学系统4; 光学偏转器，其使来自冷凝光学系统的光束偏转; 以及成像光学系统，其将由光学偏转器的偏转表面6a偏转的光束成像在扫描表面8上，其中光学偏转器具有前后移动偏转表面的功能，冷凝光学系统在副扫描横截面中会聚，会聚位置P在偏转面的光源侧。

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