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    • 3. 发明公开
    • Image reading device
    • Bildlesevorrichtung
    • EP2134071A2
    • 2009-12-16
    • EP09160714.3
    • 2009-05-20
    • Mitsubishi Electric Corporation
    • Nokami, YoheiEndo, Takafumi
    • H04N1/00
    • H04N1/02815G07D7/121H04N1/02855H04N1/02865H04N2201/0418
    • An image reading device having a compact plane-shaped illumination portion is provided, by which a portion of a target (1) to be light-irradiated can be irradiated with light whose oblique angles are different from each other, and a transmission part of the target (1) can be read. The image reading device includes conveying means (25) for conveying in a conveying direction a target (1) to be light-irradiated including a transparent portion, a lens assembly (8, 10), arranged on one side of the target (1), for focusing transmission light having passed through the transparent portion of the target (1), a sensor (12) for receiving the transmission light focused by the lens assembly (8, 10), a light source (20, 21), positioned on the other side of the target (1), arranged in a main-scanning direction, and a light guide (22) for guiding light from the light source (20, 21) in a sub-scanning direction, and the light guide (22) having a reflective portion (22b) for reflecting the guided light and then irradiating a portion to be irradiated with the reflected light.
    • 提供一种具有紧凑型平面状照明部的图像读取装置,通过该图像可以照射倾斜角度彼此不同的光,照射被照射的目标物(1)的一部分,透射部分 target(1)可以读取。 图像读取装置包括:输送装置,用于沿输送方向输送包括透明部分的被照射的目标物(1);配置在靶材(1)一侧的透镜组件(8,10) ,用于聚焦穿过所述目标(1)的透明部分的透射光;传感器(12),用于接收由所述透镜组件(8,10)聚焦的透射光;光源(20,21),位于 所述目标(1)的另一侧沿主扫描方向排列,以及用于沿副扫描方向引导来自所述光源(20,21)的光的导光体(22),并且所述导光体 )具有用于反射所述被引导光并且然后照射被照射的部分的反射部(22b)。
    • 8. 发明公开
    • Original holder for an image scanner
    • VorlagenhalterfürBildabtaster
    • EP1061730A1
    • 2000-12-20
    • EP00203187.0
    • 1996-09-12
    • Imacon ApS
    • Poulsen, ChristianHeger, AndersPoulsen, Anders
    • H04N1/12
    • H04N1/1215H04N1/193H04N2201/0418H04N2201/0422
    • The present invention relates to handling of a sheet formed original to be scanned in an image scanner. In a preferred embodiment of the invention, the original is scanned by a trilinear CCD array, i.e. the original is scanned line by line, three lines at the time, one line for each color. Thus, at a specific time "only" the area of the original that is scanned by the trilinear CCD array at that time has to be positioned in focus of the imaging means of the image scanner while the remaining part of the original may be positioned anywhere and may adopt any suitable form. Thus, there is no need for all parts of the original to be kept flat and planar as required in known flat bed scanners. According to the present invention, the original is kept flat and straight along a line to be scanned by imparting a substantially cylindrical shape, such as a circular cylindrical shape, to at least part of the original. The original is scanned along lines that are substantially parallel to the generatrix of the cylindrical part of the original. Thus, the fact that all parts of the original are not scanned simultaneously is exploited to simplify the positioning of the original in the image scanner compared to known methods and image scanners.
    • 本发明涉及在图像扫描器中处理待扫描的片状原稿。 在本发明的一个优选实施例中,原稿由三线CCD阵列扫描,即原稿逐行扫描,三行,每一种颜色一行。 因此,在特定的时间“特定时间”,当时由三线CCD阵列扫描的原稿的区域必须位于图像扫描仪的成像装置的焦点上,而原稿的剩余部分可以位于任何位置 并可采用任何合适的形式。 因此,在已知的平板扫描仪中,不需要将原件的所有部分保持平坦和平坦。 根据本发明,通过使原稿的至少一部分赋予大致圆筒形状,例如圆筒形状,使原稿沿着待扫描的线保持平坦且平直。 原稿沿着与原稿的圆柱形部分的母线基本平行的线扫描。 因此,与已知的方法和图像扫描仪相比,利用原稿的所有部分不被同时扫描的事实来简化原稿在图像扫描仪中的定位。