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    • 73. 发明申请
    • Image Forming Apparatus and Image Forming Method
    • 图像形成装置和图像形成方法
    • US20080094464A1
    • 2008-04-24
    • US11835282
    • 2007-08-07
    • Kunihiro KAWADAYujiro NOMURAMotomu HAYAKAWATeruyuki INUKAIKen IKUMA
    • Kunihiro KAWADAYujiro NOMURAMotomu HAYAKAWATeruyuki INUKAIKen IKUMA
    • B41J2/47B41J15/08
    • B41J2/451G03G15/04072G03G15/0435G03G15/326
    • The invention provides an image forming apparatus and an image forming method capable of smoothly and reasonably conducting image formation in case of using a lens (lenses) of which optical magnification is minus. An image forming apparatus of the invention comprises: a line head having lenses of which optical magnification is minus and a light emitter array in which a plurality of light emitting elements are aligned. The lenses are plural in an axial direction (main scanning direction) of an image carrier and a direction (sub scanning direction) perpendicular to the axial direction. A light emitter block composed of “m×n” (in number) light emitting elements is disposed relative to each lens. The “m×n” light emitting elements comprises “n” (in number) light emitting element lines arranged in the direction perpendicular to the axial direction and each light emitting element line includes “m” (in number) light emitting elements aligned in the axial direction. The image forming apparatus further comprises: a control means for actuating the respective light emitting elements to emit lights to be inversed in the axial direction and the direction perpendicular to the axial direction to form an image on the image carrier. In this manner, images of plural colors are formed on the image carrier at once.
    • 本发明提供一种在使用光学倍率为负的透镜(透镜)的情况下能够平滑且合理地进行图像形成的图像形成装置和图像形成方法。 本发明的图像形成装置包括:具有光学倍率为负的透镜的行头和多个发光元件对准的发光体阵列。 透镜在图像载体的轴向(主扫描方向)和垂直于轴向的方向(副扫描方向)上是多个的。 由“mxn”(数量)的发光元件组成的发光体块相对于每个透镜设置。 “mxn”发光元件包括沿与轴向垂直的方向排列的“n”(数量)的发光元件线,并且每个发光元件线包括在轴向方向上排列的“m”(数量)的发光元件 。 图像形成装置还包括:控制装置,用于致动各个发光元件以发射在轴向方向和与轴向方向垂直的方向反转的光,以在图像载体上形成图像。 以这种方式,立即在图像载体上形成多种颜色的图像。
    • 79. 发明授权
    • Optical scanner
    • 光学扫描仪
    • US07995087B2
    • 2011-08-09
    • US12256540
    • 2008-10-23
    • Ryota Kato
    • Ryota Kato
    • B41J15/08B41J2/447
    • H04N1/00127H04N1/0283H04N1/113H04N2201/02418H04N2201/02431H04N2201/02433H04N2201/02435H04N2201/02497
    • An optical scanner forms an electrostatic latent image on a photosensitive member by scanning the photosensitive member with a light beam. The optical scanner includes: an incident optical system which at least comprises: a light beam emission device configured to emit a light beam; and a cylindrical lens configured to condense the light beam emitted from the light beam emission device, and a scanning optical system which at least comprises: a light deflecting device configured to reflect the light beam having passed through the cylindrical lens to deflect the light beam in a main scanning direction for scanning the photosensitive member; and a scanning lens configured to focus the light beam deflected by the light deflecting device on the photosensitive member to form an electrostatic latent image thereon. The incident optical system and the scanning optical system are divided by a light shielding wall.
    • 光学扫描器通过用光束扫描感光构件而在感光构件上形成静电潜像。 光学扫描器包括:入射光学系统,其至少包括:被配置为发射光束的光束发射装置; 以及圆柱形透镜,被配置为冷凝从光束发射装置发射的光束;以及扫描光学系统,其至少包括:光偏转装置,其被配置为反射已经穿过所述柱面透镜的光束,以将光束偏转 用于扫描感光构件的主扫描方向; 以及扫描透镜,被配置为将由光偏转装置偏转的光束聚焦在感光构件上,以在其上形成静电潜像。 入射光学系统和扫描光学系统由遮光壁分隔。