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    • 5. 发明授权
    • Image recording apparatus with plural print heads
    • 具有多个打印头的图像记录装置
    • US06198494B1
    • 2001-03-06
    • US09039897
    • 1998-03-16
    • Tsuyoshi HaraguchiTakashi DeguchiTuyosi HattoriTakashi Igarashi
    • Tsuyoshi HaraguchiTakashi DeguchiTuyosi HattoriTakashi Igarashi
    • B41C104
    • H04N1/506B41J2/47
    • In a color image recording apparatus provided with plural print heads and a conveyor, each print head includes a plurality of recording elements aligned along at least a single line in a primary scanning direction and the plural print heads are arranged in parallel to each other in the primary scanning direction so that plural component images of the color image are formed parallel respectively by the plural print heads. A reference component image forming device controls the plural pieces of print heads so as to form and superimpose plural reference component images based on the reference component image data and timing setting values. A timing correcting unit analyzes positional deviations in the secondary scanning direction among the plural superimposed reference component images and corrects the timing setting values on the basis of the positional deviations in the secondary scanning direction.
    • 在设置有多个打印头和传送带的彩色图像记录装置中,每个打印头包括沿着主扫描方向沿着至少一条直线排列的多个记录元件,并且多个打印头在 主扫描方向,使得彩色图像的多个分量图像分别由多个打印头形成为平行。 参考分量图像形成装置控制多个打印头,以便基于参考分量图像数据和定时设置值来形成和叠加多个参考分量图像。 定时校正单元分析多个叠加基准分量图像中的副扫描方向的位置偏差,并根据二次扫描方向的位置偏差校正定时设定值。
    • 10. 发明授权
    • Image forming apparatus and method for forming image
    • 用于形成图像的图像形成装置和方法
    • US07232200B2
    • 2007-06-19
    • US10995504
    • 2004-11-24
    • Manabu NakahanadaAtsushi SuzukiTakashi Deguchi
    • Manabu NakahanadaAtsushi SuzukiTakashi Deguchi
    • B41J29/393
    • B41J29/393
    • An image forming apparatus comprises a recording head having a plurality of recording elements arranged in array, the recording head being utilized for recording a corrective image onto a recording material, an image reading device to acquire readout information by reading the corrective image, an carrying out section to conduct calculation to obtain a correction amount of recording characteristics, from the readout information acquired by the reading device, an image forming section to form an image onto the recording material by the recording head in which a recording characteristics of the plurality of recording elements are compensated based on the correction amount, and a controller to control the recording head so as to record the corrective image on to the recording material, wherein, the readout information in the carrying out section discriminates optical density unevenness caused by a factor not being associated with the recording head.
    • 一种图像形成装置包括具有排列成阵列的多个记录元件的记录头,记录头用于将校正图像记录在记录材料上,图像读取装置,通过读取校正图像获取读出信息,执行 进行计算以获得记录特性的校正量,根据由读取装置获取的读出信息,通过记录头将图像形成在记录材料上的图像形成部分,其中记录多个记录元件的记录特性 基于校正量补偿,以及控制器,用于控制记录头,以将校正图像记录在记录材料上,其中,执行部分中的读出信息鉴别由不相关因素引起的光学浓度不均匀性 与录音头。