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    • 31. 发明申请
    • Method and apparatus for image forming capable of effectively correcting a misregistration of an image
    • 用于成像的方法和装置,其能够有效地校正图像的不对准
    • US20070048031A1
    • 2007-03-01
    • US11513176
    • 2006-08-31
    • Izumi Kinoshita
    • Izumi Kinoshita
    • G03G15/01
    • G03G15/5058G03G15/0194G03G2215/00059G03G2215/0161
    • An image forming apparatus forming a color image with color toners includes a plurality of image forming members, an image transfer member, a plurality of sensors, a calculator, an edge extractor, a counter, and a misregistration corrector. The plurality of image forming members forms a plurality of test patches. The image transfer member receives the test patches. The plurality of sensors detects the test patches. The calculator performs a logical operation, e.g., an exclusive-OR operation, upon detection signals output by the sensors. The edge extractor detects edges and generates edge signals based upon an output signal of the calculator. The counter counts clock pulses with respect to the edge signals to determine a length of each of the test patches. The misregistration corrector calculates time lags among the detection signals based on count values counted by the counter for the test patches and correct misregistration of the color image based on the calculated time lags.
    • 用彩色调色剂形成彩色图像的图像形成装置包括多个图像形成部件,图像转印部件,多个传感器,计算器,边缘提取器,计数器和对准偏移校正器。 多个图像形成构件形成多个测试贴片。 图像传送构件接收测试补丁。 多个传感器检测测试补丁。 在由传感器输出的检测信号上,计算器执行逻辑运算,例如异或运算。 边缘提取器根据计算器的输出信号检测边缘并产生边缘信号。 计数器相对于边缘信号计数时钟脉冲,以确定每个测试片的长度。 基于计算出的时间滞后,基于计数器对于测试块计数的计数值和彩色图像的正确对准,错误对准校正器计算检测信号之间的时间滞后。
    • 34. 发明授权
    • Image forming apparatus with accurate correction of color misalignment
    • 具有精确校正颜色偏差的图像形成装置
    • US07715770B2
    • 2010-05-11
    • US12007702
    • 2008-01-15
    • Izumi Kinoshita
    • Izumi Kinoshita
    • G03G15/01
    • G03G15/011G03G15/04018G03G2215/0158
    • An image forming apparatus includes a detection unit configured to cause a light emitting device to emit light, to cause a light receiving device to receive the light reflected by an object, and to produce a detection signal having a varying signal level responsive to an intensity of the received reflected light, a color misalignment correction unit configured to correct color misalignment resulting from positional misalignment between the developer images of respective colors on a transfer body by controlling an exposure unit in response to detected data indicative of the developer images detected in the detection signal, and an adjustment unit configured to identify a plurality of peak positions in the detection signal detected with respect to a single developer image and to adjust the detected data indicative of the developer images detected in the detection signal in response to difference in the peak positions.
    • 一种图像形成装置,包括:检测单元,其被配置为使发光装置发光,使光接收装置接收由物体反射的光,并产生具有变化的信号电平的检测信号,所述检测信号响应于 所接收的反射光,颜色未对准校正单元,被配置为通过响应于指示在检测信号中检测到的显影剂图像的检测数据控制曝光单元来校正由转印体上各种颜色的显影剂图像之间的位置偏移导致的颜色偏移 以及调整单元,被配置为识别针对单个显影剂图像检测的检测信号中的多个峰值位置,并且响应于峰值位置的差异来调整指示检测信号中检测到的显影剂图像的检测数据。
    • 35. 发明申请
    • Image forming apparatus with accurate correction of color misalignment
    • 具有精确校正颜色偏差的图像形成装置
    • US20080181634A1
    • 2008-07-31
    • US12007702
    • 2008-01-15
    • Izumi Kinoshita
    • Izumi Kinoshita
    • G03G15/01
    • G03G15/011G03G15/04018G03G2215/0158
    • An image forming apparatus includes a detection unit configured to cause a light emitting device to emit light, to cause a light receiving device to receive the light reflected by an object, and to produce a detection signal having a varying signal level responsive to an intensity of the received reflected light, a color misalignment correction unit configured to correct color misalignment resulting from positional misalignment between the developer images of respective colors on a transfer body by controlling an exposure unit in response to detected data indicative of the developer images detected in the detection signal, and an adjustment unit configured to identify a plurality of peak positions in the detection signal detected with respect to a single developer image and to adjust the detected data indicative of the developer images detected in the detection signal in response to difference in the peak positions.
    • 一种图像形成装置,包括:检测单元,其被配置为使发光装置发光,使光接收装置接收由物体反射的光,并产生具有变化的信号电平的检测信号,所述检测信号响应于 所接收的反射光,颜色未对准校正单元,被配置为通过响应于指示在检测信号中检测到的显影剂图像的检测数据控制曝光单元来校正由转印体上各种颜色的显影剂图像之间的位置偏移导致的颜色偏移 以及调整单元,被配置为识别针对单个显影剂图像检测的检测信号中的多个峰值位置,并且响应于峰值位置的差异来调整指示检测信号中检测到的显影剂图像的检测数据。