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    • 6. 发明申请
    • READING APPARATUS, IMAGE FORMING APPARATUS AND IMAGE READING CONTROL METHOD
    • 读取装置,图像形成装置和图像读取控制方法
    • US20110286055A1
    • 2011-11-24
    • US13110732
    • 2011-05-18
    • Yusuke HashizumeSueo UenoKatsuya NagamochiHiroyuki ShiraishiKoji ShimokawaJun Sakakibara
    • Yusuke HashizumeSueo UenoKatsuya NagamochiHiroyuki ShiraishiKoji ShimokawaJun Sakakibara
    • H04N1/04
    • H04N1/193H04N1/1013H04N1/1938H04N2201/0094
    • An image forming apparatus is provided which can form an image of excellent picture quality in which a streak does not appear at a specified position in a main scanning direction. A reading control apparatus includes an illuminator to irradiate an illumination light to a document of a reading object, a CCD sensor that includes a plurality of light-receiving elements arranged in one line to receive the illumination light reflected by the document, and sequentially outputs electric signals stored in the light-receiving elements, a read control part that acquires, with respect to the electric signals of each line generated by the CCD sensor, electric signals by reading the electric signals starting from an electric signal corresponding to a position outside one end, in a main scanning direction, which is one of both ends of the document of the reading target in the main scanning direction and is the end where an electric signal is outputted from the CCD sensor at an earlier timing, a pre-processing part to perform a specified pre-process on the electric signals acquired by the read control part, and an image output control part that removes, with respect to the electric signals of each line, electric signals corresponding to a range outside the one end from the electric signals processed by the pre-processing part, acquires electric signals starting from the electric signal corresponding to the one end, and outputs only the acquired electric signals to outside.
    • 提供一种图像形成装置,其可以形成在主扫描方向上的特定位置处不出现条纹的优异图像质量的图像。 一种读取控制装置,包括将照明光照射到读取对象的原稿的照明装置,CCD传感器,其包括以一行布置的多个受光元件,以接收由原稿反射的照明光,并依次输出电 存储在光接收元件中的信号,读取控制部分,通过从对应于一端外部的位置的电信号读取电信号,获取关于由CCD传感器产生的每行的电信号的电信号 在作为主扫描方向的读取对象文件的两端之一的主扫描方向上,是在较早的时刻从CCD传感器输出电信号的结束,预处理部分 对由读取控制部分获取的电信号执行指定的预处理,以及图像输出控制部分,其相对于该ele 每条线的ctric信号,与从预处理部分处理的电信号相对应的一端范围的电信号,从与该一端相对应的电信号开始获取电信号,并将所获取的电信号仅输出到 外。
    • 9. 发明授权
    • Image reading apparatus, control method thereof, and image forming apparatus
    • 图像读取装置及其控制方法以及图像形成装置
    • US08537428B2
    • 2013-09-17
    • US12756427
    • 2010-04-08
    • Jun SakakibaraKatsuya Nagamochi
    • Jun SakakibaraKatsuya Nagamochi
    • H04N1/40H04N1/04
    • H04N1/401H04N1/1017H04N1/1931H04N1/1934H04N2201/0081
    • An apparatus includes a white reference member, an exposure lamp, a CCD sensor including a plurality of linear sensors connected in series, and a plurality of gain amplifiers which amplifies the outputs of the linear sensors, respectively. The apparatus selects one linear sensor, adjusts the gain of the gain amplifier corresponding to the selected linear sensor, adjusts the gain of the gain amplifier corresponding to the linear sensor existing to the left side of the selected linear sensor, and adjusts the gain of the gain amplifier corresponding to the linear sensor existing to the right side of the selected linear sensor. A difference in output at connecting positions among the line sensors is removed by adjusting the gains of gain amplifiers.
    • 一种装置包括白色参考构件,曝光灯,包括串联连接的多个线性传感器的CCD传感器和分别放大线性传感器的输出的多个增益放大器。 该装置选择一个线性传感器,调整对应于所选择的线性传感器的增益放大器的增益,调整对应于存在于所选线性传感器左侧的线性传感器的增益放大器的增益,并调整 对应于存在于所选线性传感器右侧的线性传感器的增益放大器。 通过调节增益放大器的增益来消除线路传感器之间连接位置的输出差异。