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    • 6. 发明申请
    • IMAGE FORMING APPARATUS AND DETECTION APPARATUS
    • 图像形成装置和检测装置
    • WO2014097824A1
    • 2014-06-26
    • PCT/JP2013/081575
    • 2013-11-19
    • CANON KABUSHIKI KAISHA
    • MUKAIBARA, TakuyaHANAMOTO, Hidetoshi
    • G03G15/00B41J29/46G01N21/47G03G15/01
    • G03G15/5062G01N21/55G03G15/5058G03G2215/0161G03G2215/0164G06K15/1878
    • An image forming apparatus includes: irradiation means for irradiating an image carrier having a detection image with light; light-receiving means for receiving reflected light of the light irradiated by irradiation means and outputting a detection signal corresponding to a light-receiving amount of the reflected light including a specular-reflected light component; and detection means for detecting one of position information and density information of the detection image based on a signal corresponding to a difference between a value of the detection signal corresponding to the light-receiving amount of the reflected light from a first position where the detection image is formed and a value of the detection signal corresponding to the light-receiving amount of the reflected light from a second position different from the first position.
    • 一种图像形成装置,包括:用于用光照射具有检测图像的图像载体的照射装置; 光接收装置,用于接收由照射装置照射的光的反射光,并输出与包括镜面反射光分量的反射光的光接收量相对应的检测信号; 以及检测装置,用于基于与来自检测图像的第一位置的反射光的光接收量相对应的检测信号的值之间的差值相对应的信号来检测检测图像的位置信息和浓度信息之一 并且与来自与第一位置不同的第二位置的反射光的光接收量对应的检测信号的值。
    • 8. 发明申请
    • IMAGE FORMING APPARATUS AND DETECTION APPARATUS
    • 图像形成装置和检测装置
    • WO2014097810A1
    • 2014-06-26
    • PCT/JP2013/081332
    • 2013-11-14
    • CANON KABUSHIKI KAISHA
    • HOSOYA, ShinjiMUKAIBARA, TakuyaFUJII, Kenichi
    • G03G15/00B41J29/46G01N21/59
    • G06K15/1878G01N21/55G03G15/5058G03G2215/0161G03G2215/0164
    • An image forming apparatus includes a detection means for detecting one of position and density information of a detection image based on a signal corresponding to a difference between a value of a detection signal corresponding to a first position of one of the detection image on a image carrier and a surface of the image carrier and an average value of a value of the detection signal corresponding to a second position on a downstream side with respect to the first position in a moving direction of the detection image and a value of the detection signal corresponding to a third position on an upstream side with respect to the first position in the moving direction during a time when the detection image formed on the image carrier passes through an irradiation region of the irradiation means.
    • 一种图像形成装置包括:检测装置,用于基于与图像载体上的检测图像中的一个的第一位置相对应的检测信号的值之间的差对应的信号来检测检测图像的位置和浓度信息之一 和图像载体的表面,以及与检测图像的移动方向上的第一位置相对应的下游侧的第二位置的检测信号的值的平均值和对应于检测图像的检测信号的值 在形成在图像载体上的检测图像通过照射装置的照射区域的时间期间相对于移动方向上的第一位置的上游侧的第三位置。
    • 9. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • WO2011142472A1
    • 2011-11-17
    • PCT/JP2011/061129
    • 2011-05-10
    • RICOH COMPANY, LIMITEDTOMITA, Kentaroh
    • TOMITA, Kentaroh
    • G03G15/01G03G15/00
    • G03G15/5058G03G15/0131G03G2215/00059G03G2215/00063G03G2215/0129G03G2215/0164
    • An image forming apparatus includes a control unit configured to perform, if a suitable color measurement area suitable for color measurement of a combined color is found in an image, a color-reproduction-accuracy increasing process while, if not, to perform a deposition-amount stabilizing process. In the color-reproduction-accuracy increasing process, a control parameter is adjusted so as to reduce a difference between a result of the color measurement on the suitable color measurement area and a desired color. In the deposition-amount stabilizing process, a plurality of test primary-color toner images are formed by an image forming unit, and a control parameter for the image forming unit are adjusted so as to reduce a difference between each of results of toner deposition amount measurement on the test primary-color toner images and a corresponding target deposition amount.
    • 图像形成装置包括:控制单元,被配置为如果在图像中发现适合于组合颜色的颜色测量的合适的颜色测量区域,则执行色彩再现精度增加处理,而如果不执行沉积 - 量稳定过程。 在色彩再现精度提高过程中,调节控制参数,以便减少合适的颜色测量区域上的颜色测量结果与期望颜色之间的差异。 在沉积量稳定化处理中,通过图像形成单元形成多个测试原色调色剂图像,并且调整图像形成单元的控制参数,以便减少调色剂沉积量的每个结果之间的差异 对测试的原色调色剂图像进行测量和相应的目标沉积量。