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    • 52. 发明授权
    • Optical scanner
    • 光学扫描仪
    • US08872876B2
    • 2014-10-28
    • US13896464
    • 2013-05-17
    • Ryota KatoYasuo TamaruJun Mihara
    • Ryota KatoYasuo TamaruJun Mihara
    • B41J2/385B41J2/41B41J2/435G03G15/04G03G15/32G03G21/16H04N1/053B41J2/47
    • G03G15/04072B41J2/473G03G15/0435G03G15/326G03G21/1666G03G2221/1636H04N1/053H04N2201/0456H04N2201/0458
    • An optical scanner includes a light source, optical deflector, mirror, first photosensitive drum, and second photosensitive drum. The light source emits a first light beam and a second light beam. The optical deflector deflects the first light beam and the second light beam. The mirror has a reflecting part that reflects the deflected first light beam and a passing part that passes the deflected second light beam. The passing part is displaced from the reflecting part. The first photosensitive drum performs a development with a first toner having a first color. The reflected first light beam scans the first photosensitive drum in a main scanning direction. The second photosensitive drum performs a development with a second toner having a second color different from the first color. The passed second light beam scans the second photosensitive drum in the main scanning direction. The first photosensitive drum and second photosensitive drum are arranged in a sub scanning direction orthogonal to the main scanning direction.
    • 光学扫描器包括光源,光学偏转器,反射镜,第一感光鼓和第二感光鼓。 光源发射第一光束和第二光束。 光学偏转器偏转第一光束和第二光束。 反射镜具有反射偏转的第一光束的反射部分和通过偏转的第二光束的通过部分。 通过部分从反射部分移位。 第一感光鼓用具有第一颜色的第一调色剂进行显影。 反射的第一光束在主扫描方向上扫描第一感光鼓。 第二感光鼓用具有不同于第一颜色的第二颜色的第二调色剂进行显影。 通过的第二光束在主扫描方向上扫描第二感光鼓。 第一感光鼓和第二感光鼓沿与主扫描方向正交的副扫描方向布置。
    • 53. 发明授权
    • Optical scanning device and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US08634123B2
    • 2014-01-21
    • US12209985
    • 2008-09-12
    • Ryota KatoYasuo TamaruJun Mihara
    • Ryota KatoYasuo TamaruJun Mihara
    • G02B26/08
    • G02B26/123G02B26/124
    • An optical scanning device is configured to cause a light beam to scan a photosensitive drum to form a latent image on the photosensitive drum. The optical scanning device includes light emitting units configured to emit light beams and a light deflecting unit having deflecting surfaces and being configured to cause the light beams emitted from the light emitting units to reflect at the deflecting surfaces and deflect and scan in a main scanning direction. Also, the device includes a lens disposed between the light emitting units and the light deflecting unit, the lens being configured to cause the light beams emitted from the light emitting units to be directed along the main scanning direction to the deflecting surfaces, and an aperture member disposed between the lens and the light deflecting unit, and having apertures formed in line in a sub scanning direction perpendicular to the main scanning direction.
    • 光学扫描装置被配置为使光束扫描感光鼓以在感光鼓上形成潜像。 光扫描装置包括被配置为发射光束的发光单元和具有偏转表面的光偏转单元,并且被配置为使得从发光单元发射的光束在偏转表面处反射并且在主扫描方向上偏转和扫描 。 另外,该装置包括设置在发光单元和光偏转单元之间的透镜,所述透镜被配置为使得从发光单元发射的光束沿着主扫描方向被引导到偏转表面,并且孔 配置在透镜和光偏转单元之间,并且具有沿垂直于主扫描方向的副扫描方向成直线形成的孔。
    • 54. 发明授权
    • Optical scanner
    • 光学扫描仪
    • US08508813B2
    • 2013-08-13
    • US13070602
    • 2011-03-24
    • Taizo MatsuuraJun Mihara
    • Taizo MatsuuraJun Mihara
    • H04N1/04
    • H04N1/047H04N2201/0471H04N2201/04713H04N2201/04744
    • An optical scanner includes: a light source; a light deflector configured to deflect a light beam from the light source in a main scanning direction; a scanning lens through which the light beam having been deflected by the light deflector passes; a beam detector configured to detect the light beam; a mirror disposed between the light deflector and the scanning lens in an optical axis direction of the scanning lens and configured to reflect the light beam having been deflected by the light deflector toward the beam detector; and a wall portion configured to cover one end face of the mirror that faces the scanning lens, wherein the surface of the wall portion facing the scanning lens is tilted with respect to a sub-scanning direction orthogonal to the main scanning direction.
    • 光学扫描器包括:光源; 光偏转器,其构造成在主扫描方向上偏转来自所述光源的光束; 已经被光偏转器偏转的光束通过的扫描透镜; 光束检测器,被配置为检测光束; 镜子,其设置在所述光偏转器和所述扫描透镜之间的所述扫描透镜的光轴方向上,并被配置为将由所述光偏转器偏转的光束反射到所述光束检测器; 以及壁部,被配置为覆盖面向扫描透镜的反射镜的一个端面,其中面向扫描透镜的壁部的表面相对于与主扫描方向正交的副扫描方向倾斜。
    • 56. 发明申请
    • Image Forming Apparatus with Optical Scanner
    • 具有光学扫描仪的图像形成装置
    • US20110292158A1
    • 2011-12-01
    • US13044627
    • 2011-03-10
    • Jun MIHARATaizo MATSUURA
    • Jun MIHARATaizo MATSUURA
    • B41J2/44
    • G02B7/026G02B26/12H04N1/00559H04N1/1135H04N1/12H04N2201/0082
    • In a scanner housing of an optical scanner fixed to a main body housing of an image forming apparatus, an opposite wall is disposed between a support wall on which an optical element is supported and a wall of the main body housing. A space at an extreme end of an inner projection has a distance smaller than distances at all other spaces between the support wall and the opposite wall. A space at an extreme end of an outer projection has a distance smaller than distances at all other spaces between the wall of the main body housing and the opposite wall. The space at the extreme end of the inner projection overlaps with the space at the extreme end of the outer projection as viewed from a direction in which the inner projection and the outer projection project.
    • 在固定在图像形成装置的主体壳体上的光学扫描器的扫描器壳体中,相对的壁设置在支撑有光学元件的支撑壁和主体壳体的壁之间。 在内部突起的最末端处的空间的距离小于支撑壁和相对壁之间的所有其它空间处的距离。 在外部突出部的最末端处的空间的距离小于主体壳体的壁与相对的壁之间的所有其它空间处的距离。 从内投影和外投影的方向观察,内投影的最末端处的空间与外投影的最末端处的空间重叠。
    • 59. 发明申请
    • IMAGE-FORMING DEVICE
    • 图像形成装置
    • US20100247147A1
    • 2010-09-30
    • US12814382
    • 2010-06-11
    • Ryota KATOJun MIHARAYasuo TAMARU
    • Ryota KATOJun MIHARAYasuo TAMARU
    • G03G15/22G03G15/04
    • G03G15/326G02B26/123G02B26/125G03G15/04072G03G15/0435G03G2215/0404
    • An image-forming device has a plurality of cylindrical image-carrying members, and an optical scanning unit. The plurality of cylindrical image-carrying members is provided in a main casing for rotating about respective rotational axes. The rotational axes are parallel to one another and juxtaposed in a single direction. The optical scanning unit is provided in the main casing and has a plurality of laser generators, a single rotatable polygon mirror, a plurality of mirrors, and a plurality of lenses. The plurality of laser generators is provided one-to-one relationship to the plurality of image-carrying members to emit respective laser beams. The single rotatable polygon mirror deflects the respective laser beams to scan the respective image-carrying members therewith. The plurality of mirrors is provided one-to-one relationship to the plurality of image-carrying members to guide the respective laser beams along respective optical paths to the respective image-carrying members. The plurality of lenses is provided one-to-one relationship to the plurality of image-carrying members and provided in the respective optical paths and between the respective mirrors and the respective image-carrying members. Distances from the respective mirrors to the respective image-carrying members being equal to one another.
    • 图像形成装置具有多个圆柱形图像承载构件和光学扫描单元。 多个圆柱形图像承载构件设置在主壳体中,用于围绕各自的旋转轴线旋转。 旋转轴线彼此平行并且在单个方向上并列。 光学扫描单元设置在主壳体中,并且具有多个激光发生器,单个可旋转多面镜,多个反射镜和多个透镜。 多个激光发生器与多个图像承载部件一一对应地被提供以发射相应的激光束。 单个可旋转多面镜偏转相应的激光束以扫描相应的图像承载部件。 多个反射镜与多个图像承载部件一一对应地设置,以将相应的激光束沿相应的光路引导到相应的图像传送部件。 所述多个透镜与所述多个图像承载构件一一对应地设置,并且设置在各个光路中以及各个反射镜和各个图像承载构件之间。 从各个反射镜到各个图像载体的距离彼此相等。