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    • 31. 发明授权
    • Method and apparatus for forming image
    • 用于形成图像的方法和装置
    • US08094178B2
    • 2012-01-10
    • US12125447
    • 2008-05-22
    • Hidetoshi Yamashita
    • Hidetoshi Yamashita
    • B41J2/435B41J2/385G03G13/04
    • G03G15/043G02B26/127G03G15/0435G03G2215/0404
    • In an image forming apparatus, a separating unit separates each laser beam into a first laser beam used for measuring light intensity and a second laser beam used for scanning a photosensitive element, a photoelectric converting unit measures a light intensity of each of the first laser beams and outputs a voltage indicative of the light intensity. A control unit controls a light intensity of each of the laser beams based on a common drive current and a corresponding one of a current correction value, which is set by each of the laser beams to correct a light intensity of a corresponding one of the laser beams based on a corresponding one of the voltages output by the photoelectric converting unit.
    • 在图像形成装置中,分离单元将每个激光束分离成用于测量光强度的第一激光束和用于扫描光敏元件的第二激光束,光电转换单元测量每个第一激光束的光强度 并输出表示光强度的电压。 控制单元基于公共驱动电流和由每个激光束设置的当前校正值中的相应一个来控制每个激光束的光强度,以校正相应激光束中的相应激光束的光强度 基于由光电转换单元输出的电压中的相应一个的光束。
    • 33. 发明申请
    • IMAGE PROCESSING SYSTEM AND IMAGE FORMING APPARATUS INCORPORATING SAME
    • 图像处理系统和图像形成装置
    • US20080309951A1
    • 2008-12-18
    • US12137072
    • 2008-06-11
    • Yumiko KISHIToshio OhideTatsuo OhyamaHidetoshi YamashitaNobuyoshi Kaima
    • Yumiko KISHIToshio OhideTatsuo OhyamaHidetoshi YamashitaNobuyoshi Kaima
    • G06K15/02
    • H04N1/3935H04N1/58
    • A novel image processing system includes a pixel position indicator and a pixel inserting unit. The pixel position indicator is configured to indicate insertion positions in the image data. The pixel inserting unit is configured to enlarge a size of the image data by inserting an additional pixel at each of the insertion positions and accordingly shifting the original pixels in a given direction. The additional pixel has a value lower than a given threshold. Each insertion position is at an approximate center of an area formed of pixels having values higher than the given threshold. A novel image forming apparatus incorporates such an image processing system and an electrophotographic system. The electrophotographic system is configured to form an image by irradiating a photoconductive surface with a laser beam according to the processed image data.
    • 一种新颖的图像处理系统包括像素位置指示器和像素插入单元。 像素位置指示器被配置为指示图像数据中的插入位置。 像素插入单元被配置为通过在每个插入位置处插入附加像素来放大图像数据的大小,并且因此沿给定方向移位原始像素。 附加像素具有低于给定阈值的值。 每个插入位置在由具有高于给定阈值的像素形成的区域的大致中心处。 一种新颖的图像形成装置结合了这种图像处理系统和电子照相系统。 电照相系统被配置为根据处理的图像数据通过用激光束照射光电导表面来形成图像。