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    • 1. 发明申请
    • OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
    • 光学扫描装置和图像形成装置
    • US20110316959A1
    • 2011-12-29
    • US13169942
    • 2011-06-27
    • Kenichiroh SAISHOToshiaki TokitaNobuaki KuboSeizo Suzuki
    • Kenichiroh SAISHOToshiaki TokitaNobuaki KuboSeizo Suzuki
    • B41J2/435G02B26/08
    • G02B26/123B41J2/473G02B26/124G02B27/283
    • An optical scanning device, arranged on one side of at least two to-be-scanned members in a second direction, and the two to-be-scanned members being arranged in a first direction perpendicular to the second, includes: an illuminating system that emits beams including a first beam and a second beam whose polarization directions are different from each other; an optical deflector that deflects the beams; and a scanning optical system that includes a polarization separation element that transmits one of the first and second beams and reflects the other; a first mirror group including reflecting mirrors for guiding the first beam to a to-be-scanned member; and a second mirror group including reflecting mirrors for guiding the second beam to a to-be-scanned member. Last-stage reflecting mirrors in the first and second mirror groups are arranged on one side of the beams deflected by the optical deflector in the second direction.
    • 一种光学扫描装置,其布置在沿第二方向的至少两个待扫描构件的一侧上,并且两个被扫描构件沿垂直于第二方向的第一方向布置,包括:照明系统, 发射包括偏振方向彼此不同的第一光束和第二光束的光束; 偏转光束的光学偏转器; 以及扫描光学系统,其包括透射第一和第二光束中的一个并反射另一光束的偏振分离元件; 第一反射镜组,包括用于将第一光束引导到被扫描部件的反射镜; 以及包括用于将第二光束引导到被扫描部件的反射镜的第二反射镜组。 第一和第二反射镜组中的后级反射镜布置在由光学偏转器沿第二方向偏转的光束的一侧上。
    • 2. 发明授权
    • Optical scanning device and image forming apparatus including a plurality of scanned members
    • 光学扫描装置和包括多个扫描部件的图像形成装置
    • US08848013B2
    • 2014-09-30
    • US13169942
    • 2011-06-27
    • Kenichiroh SaishoToshiaki TokitaNobuaki KuboSeizo Suzuki
    • Kenichiroh SaishoToshiaki TokitaNobuaki KuboSeizo Suzuki
    • B41J15/14B41J27/00G02B26/12B41J2/47G02B27/28
    • G02B26/123B41J2/473G02B26/124G02B27/283
    • An optical scanning device, arranged on one side of at least two to-be-scanned members in a second direction, and the two to-be-scanned members being arranged in a first direction perpendicular to the second, includes: an illuminating system that emits beams including a first beam and a second beam whose polarization directions are different from each other; an optical deflector that deflects the beams; and a scanning optical system that includes a polarization separation element that transmits one of the first and second beams and reflects the other; a first mirror group including reflecting mirrors for guiding the first beam to a to-be-scanned member; and a second mirror group including reflecting mirrors for guiding the second beam to a to-be-scanned member. Last-stage reflecting mirrors in the first and second mirror groups are arranged on one side of the beams deflected by the optical deflector in the second direction.
    • 一种光学扫描装置,其布置在沿第二方向的至少两个待扫描构件的一侧上,并且两个被扫描构件沿垂直于第二方向的第一方向布置,包括:照明系统, 发射包括偏振方向彼此不同的第一光束和第二光束的光束; 偏转光束的光学偏转器; 以及扫描光学系统,其包括透射第一和第二光束中的一个并反射另一光束的偏振分离元件; 第一反射镜组,包括用于将第一光束引导到被扫描部件的反射镜; 以及包括用于将第二光束引导到被扫描部件的反射镜的第二反射镜组。 第一和第二反射镜组中的后级反射镜布置在由光学偏转器沿第二方向偏转的光束的一侧上。
    • 3. 发明申请
    • OPTICAL SCANNING DEVICE AND IMAGE FORMING DEVICE
    • 光学扫描装置和图像形成装置
    • US20110235132A1
    • 2011-09-29
    • US13053762
    • 2011-03-22
    • Kenichiroh SaishoToshiaki TokitaNobuaki Kubo
    • Kenichiroh SaishoToshiaki TokitaNobuaki Kubo
    • H04N1/04G02B26/10
    • G02B26/123G02B27/283H04N1/1135
    • An optical scanning device includes a light source that emits first and second light beams, and an optical splitter to which the first and second light beams deflected by an optical deflector are incident. Principal rays of the first and second light beams incident to the optical splitter are nonparallel to each other in a plane orthogonal to a main-scanning direction. Transmitted light from the optical splitter out of the first light beam and reflected light from the optical splitter out of the second light beam are guided to corresponding scanning target surfaces, and transmitted light from the optical splitter out of the second light beam and reflected light from the optical splitter out of the first light beam reach none of the scanning target surfaces.
    • 光学扫描装置包括发射第一和第二光束的光源和由光学偏转器偏转的第一和第二光束入射的光分路器。 入射到分光器的第一和第二光束的主光线在与主扫描方向正交的平面中彼此不平行。 来自第一光束的分光器的透射光和来自第二光束的光分路器的反射光被引导到相应的扫描目标表面,并且将来自光分路器的光从第二光束和第二光束中反射出来 第一光束中的分光器不到达扫描目标表面。
    • 4. 发明授权
    • Optical scanning device and image forming device
    • 光学扫描装置及成像装置
    • US08559053B2
    • 2013-10-15
    • US13053762
    • 2011-03-22
    • Kenichiroh SaishoToshiaki TokitaNobuaki Kubo
    • Kenichiroh SaishoToshiaki TokitaNobuaki Kubo
    • G06K15/12
    • G02B26/123G02B27/283H04N1/1135
    • An optical scanning device includes a light source that emits first and second light beams, and an optical splitter to which the first and second light beams deflected by an optical deflector are incident. Principal rays of the first and second light beams incident to the optical splitter are nonparallel to each other in a plane orthogonal to a main-scanning direction. Transmitted light from the optical splitter out of the first light beam and reflected light from the optical splitter out of the second light beam are guided to corresponding scanning target surfaces, and transmitted light from the optical splitter out of the second light beam and reflected light from the optical splitter out of the first light beam reach none of the scanning target surfaces.
    • 光学扫描装置包括发射第一和第二光束的光源和由光学偏转器偏转的第一和第二光束入射的光分路器。 入射到分光器的第一和第二光束的主光线在与主扫描方向正交的平面中彼此不平行。 来自第一光束的分光器的透射光和来自第二光束的光分路器的反射光被引导到相应的扫描目标表面,并且将来自光分路器的光从第二光束和第二光束中反射出来 第一光束中的分光器不到达扫描目标表面。
    • 5. 发明授权
    • Optical scanning device and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US08848009B2
    • 2014-09-30
    • US13624182
    • 2012-09-21
    • Naoto WatanabeToshiaki TokitaKohji SakaiNobuaki Kubo
    • Naoto WatanabeToshiaki TokitaKohji SakaiNobuaki Kubo
    • B41J2/385B41J2/435B41J15/14B41J27/00G02B26/08G02B26/10G02B26/12B41J2/47G02B27/00
    • G02B26/123B41J2/473G02B27/0018
    • An optical scanning device scanning scan target surfaces in a first direction with light includes: a light source emitting first and second light beams corresponding to two of the scan target surfaces; an optical deflector including a reflection surface on which the emitted first and second light beams are obliquely incident while being separated from each other in a second direction perpendicular to the first direction, and deflecting the first and second light beams; a scanning lens disposed on respective optical paths of the deflected first and second light beams; and a branching optical element transmitting therethrough most of the first light beam transmitted through the scanning lens, and reflecting most of the second light beam transmitted through the scanning lens. The deflected first and second light beams intersect between the optical deflector and the branching optical element, when projected on a plane perpendicular to the first direction.
    • 用光扫描第一方向的扫描目标表面的光扫描装置包括:发射对应于两个扫描目标表面的第一和第二光束的光源; 光偏转器,其包括反射面,发射的第一光束和第二光束在垂直于第一方向的第二方向上彼此分离并倾斜入射,并且偏转第一和第二光束; 设置在偏转的第一和第二光束的相应光路上的扫描透镜; 以及分支光学元件,透射通过扫描透镜的第一光束的大部分,并且反射透过扫描透镜的大部分第二光束。 当投影在垂直于第一方向的平面上时,偏转的第一和第二光束在光学偏转器和分支光学元件之间相交。
    • 8. 发明授权
    • Optical scanning device and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US08922863B2
    • 2014-12-30
    • US13608216
    • 2012-09-10
    • Toshiaki TokitaNobuaki KuboNaoto WatanabeKohji Sakai
    • Toshiaki TokitaNobuaki KuboNaoto WatanabeKohji Sakai
    • G02B26/08B41J2/47G03G15/043G02B26/12G02B3/00G02B5/30
    • B41J2/473G02B3/0075G02B5/3058G02B26/123G03G15/0435
    • An optical scanning device separately scanning plural scan target surfaces in a first direction with light includes: a light source unit configured to emit first and second light beams mutually different in polarization state; an optical deflector configured to rotate around an axis parallel to a second direction perpendicular to the first direction, and deflect the emitted light beams; an imaging optical element provided on respective optical paths of the deflected light beams; a polarization adjustment element provided on the optical paths of the light beams transmitted through the imaging optical element, and configured to correct respective changes in polarization state of the light beams occurring during the transmission of the light beams through the imaging optical element; and a polarization separation element provided on the optical paths of the light beams emitted from the polarization adjustment element, and configured to separate the light beams from each other.
    • 利用光分别在第一方向上扫描多个扫描目标表面的光学扫描装置包括:光源单元,被配置为发射极化状态彼此不同的第一和第二光束; 光学偏转器,被配置为围绕平行于与第一方向垂直的第二方向的轴线旋转,并偏转发射的光束; 设置在偏转光束的相应光路上的成像光学元件; 偏振调节元件,设置在通过成像光学元件透射的光束的光路上,并且被配置为校正在通过成像光学元件的光束透射期间发生的光束的偏振状态的变化; 以及偏振分离元件,设置在从偏振调节元件发射的光束的光路上,并且被配置为将光束彼此分离。