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    • 12. 发明申请
    • Image scanning apparatus and method
    • 图像扫描装置及方法
    • US20110149306A1
    • 2011-06-23
    • US12926870
    • 2010-12-14
    • Kyung-rok Kim
    • Kyung-rok Kim
    • H04N1/04G06K15/02
    • H04N1/02815H04N1/02835H04N1/0311H04N1/0312H04N1/1017H04N1/193H04N1/40056H04N1/484
    • An image scanning apparatus and method. The image scanning apparatus which scans an image of document includes a light source including at least three light emitting elements of red, green, and blue, which are sequentially lit up at intervals of a first time, a light emitting time control unit to control a light emitting time of the at least three light emitting elements such that the first time is shorter than a second time by a predetermined value, a sensor array to transform an image formed by light reflected from the document into an electric signal according to results of the control of the light emitting time and the light intensity, and an output unit to output image data corresponding to the transformed electric signal.
    • 一种图像扫描装置及方法。 扫描文件图像的图像扫描装置包括:光源,其包括以第一次间隔依次点亮的红色,绿色和蓝色的至少三个发光元件;发光时间控制单元, 所述至少三个发光元件的发光时间使得所述第一时间比第二时间短一个预定值;传感器阵列,用于根据所述至少三个发光元件的结果将从所述文档反射的光形成的图像转换成电信号 控制发光时间和光强度,以及输出单元输出与变换后的电信号对应的图像数据。