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    • 6. 发明专利
    • Image sensor unit and image reader
    • 图像传感器单元和图像读取器
    • JP2012124836A
    • 2012-06-28
    • JP2010275892
    • 2010-12-10
    • Canon Components Incキヤノン・コンポーネンツ株式会社
    • KIYOTA HIDEOYOSHIDA HIDEMASA
    • H04N1/04F21S2/00F21Y101/02G02B6/00G03B27/54H04N1/028
    • H04N1/0249H04N1/02835H04N1/0318H04N1/032H04N2201/0081H04N2201/02456H04N2201/02462H04N2201/02497
    • PROBLEM TO BE SOLVED: To provide an image sensor unit obtaining uniform illumination distribution by preventing leakage light without using an additional component such as a conductor cover and to provide an image reader.SOLUTION: An image sensor unit 4 includes: a sensor substrate 14 where a plurality of photoelectric converters 13 are mounted; an original illumination light source 10 having a light emitting element; a conductor 11 which leads light from the light source 10 from one end face in a longitudinal direction and illuminates the original in a line shape; a rod lens array 12 which image-forms reflection light from the original on the sensor substrate 14; and a frame 15 to which they are attached. The frame 15 detachably includes a first spacer 16a arranged near the light source 10 and a second spacer 16b arranged near the other end face in the longitudinal direction of the conductor 11. The first spacer 16a includes the light source 10 and a shading roof 20 extended to cover an end of the conductor 11.
    • 要解决的问题:提供一种图像传感器单元,通过防止漏光而获得均匀的照明分布,而不使用诸如导体盖的附加部件,并提供图像读取器。 解决方案:图像传感器单元4包括:传感器基板14,其中安装有多个光电转换器13; 具有发光元件的原始照明光源10; 导体11,其从长度方向的一个端面引导来自光源10的光,并将原稿照亮线状; 棒状透镜阵列12,其在传感器基板14上成像来自原稿的反射光; 以及与它们相连的框架15。 框架15可拆卸地包括布置在光源10附近的第一间隔件16a和布置在导体11的纵向方向上的另一端面附近的第二间隔件16b。第一间隔件16a包括光源10和遮光屋顶20延伸 覆盖导体11的末端。版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Image reader and image forming apparatus equipped with the same
    • 图像读取器和图像形成装置与其配套
    • JP2010002731A
    • 2010-01-07
    • JP2008162034
    • 2008-06-20
    • Ricoh Co Ltd株式会社リコー
    • FUJIOKA TETSUYAKAWAMURA KAZUSHIGEYODA YASUNOBUSAKURAI YASUO
    • G03B27/54H04N1/04
    • H04N1/0318H04N1/0284H04N1/02885H04N1/0305H04N1/1017H04N1/193H04N2201/0081H04N2201/02462H04N2201/02468H04N2201/02474H04N2201/02483H04N2201/02485H04N2201/03112H04N2201/03137H04N2201/03141H04N2201/03145H04N2201/03166
    • PROBLEM TO BE SOLVED: To provide an image reader capable of preventing flare light from getting into a reading means, making illuminance distribution constant with easy operation so as to align a peak light quantity position of the illuminance distribution with center of a reading area, and reading a clear image; and to provide an image forming apparatus equipped with the same.
      SOLUTION: A shielding member 42 isolating an original illuminating part 56 and an image reading part 54 is provided in a housing 41 so as to demarcate a second space 58 in which the image reading part 54 is housed, and reflection parts 48 and 49 for irradiating an irradiation area W1 of an original P with light from an LED unit 44 are provided on an upper surface of the shielding member 42, then a long-length slit 59 extending in a main scanning direction so as to guide the light reflected from the original P from a first space 57 to the second space 58 is provided thereon. Projections 67 fit in a groove 66 of the housing 41 and performing positioning of the original illuminating part 56 and the image reading part 54 are provided at both ends in a main scanning direction of the shielding member 42.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供能够防止闪光进入读取装置的图像读取器,使得照度分布恒定,容易操作,以将照度分布的峰值光量位置与读数的中心对齐 区域,并阅读清晰的图像; 并提供配备有该图像形成装置的图像形成装置。 解决方案:隔离原始照明部分56和图像读取部分54的屏蔽构件42设置在壳体41中,以划定其中容纳图像读取部分54的第二空间58和反射部分48和 用于在来自LED单元44的光中照射原稿P的照射区域W1的光源49设置在屏蔽构件42的上表面上,然后设置在主扫描方向上延伸的长度狭缝59,以引导反射的光 从原来的P从第一空间57到第二空间58。 突出部67安装在壳体41的槽66中,并且在屏蔽构件42的主扫描方向的两端设置原始照明部56和图像读取部54的定位。版权所有(C) 2010年,JPO&INPIT