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    Image forming apparatus, and method and computer program product for image forming
    11.
    发明授权
    Image forming apparatus, and method and computer program product for image forming 失效
    图像形成装置，图像形成方法和计算机程序产品

    公开(公告)号：US08335446B2

    公开(公告)日：2012-12-18

    申请号：US12801618

    申请日：2010-06-17

    申请人： Nobuyuki Kobayashi ,  Natsuko Kawase ,  Jun Kosako ,  Shigeyuki Ishii ,  Takahiro Kamekura ,  Takahiro Miyakawa ,  Takashi Enami ,  Miyo Taniguchi

    发明人： Nobuyuki Kobayashi ,  Natsuko Kawase ,  Jun Kosako ,  Shigeyuki Ishii ,  Takahiro Kamekura ,  Takahiro Miyakawa ,  Takashi Enami ,  Miyo Taniguchi

    IPC分类号： G03G15/16 ,  G03G15/01

    CPC分类号： G03G15/1605 ,  G03G15/0178 ,  G03G2215/0132 ,  G03G2215/0196

    摘要： An image forming apparatus includes an encoder that detects a first pulse signal relevant to a conveyance velocity of an intermediate transfer belt, an encoder that detects a second pulse signal relevant to a conveyance velocity of a transfer-paper conveying belt, a print control unit that performs feedback control by using a count value of the first pulse signal per unit time and a target conveyance velocity value common between the conveyance velocity of the intermediate transfer belt and that of the transfer-paper conveying belt so that the conveyance velocity of the intermediate transfer belt attains the target value and also performs feedback-control by using a count value of the second pulse signal per unit time and the target value so that the conveyance velocity of the transfer-paper conveying belt attains the target value.

    摘要翻译： 图像形成装置包括检测与中间转印带的输送速度相关的第一脉冲信号的编码器，检测与转印纸输送带的输送速度相关的第二脉冲信号的编码器，印刷控制部， 通过使用每单位时间的第一脉冲信号的计数值和中间转印带的输送速度与转印纸输送带的输送速度共同的目标输送速度值来执行反馈控制，使得中间转印的输送速度 皮带达到目标值，并且通过使用每单位时间的第二脉冲信号的计数值和目标值来执行反馈控制，使得转印纸输送带的输送速度达到目标值。

    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT
    12.
    发明申请
    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT 失效
    图像形成装置，图像形成方法和计算机程序产品

    公开(公告)号：US20110085828A1

    公开(公告)日：2011-04-14

    申请号：US12899015

    申请日：2010-10-06

    申请人： Jun KOSAKO ,  Shigeyuki Ishii ,  Takashi Enami ,  Nobuyuki Kobayashi ,  Natsuko Kawase ,  Takahiro Kamekura ,  Takahiro Miyakawa ,  Miyo Taniguchi

    发明人： Jun KOSAKO ,  Shigeyuki Ishii ,  Takashi Enami ,  Nobuyuki Kobayashi ,  Natsuko Kawase ,  Takahiro Kamekura ,  Takahiro Miyakawa ,  Miyo Taniguchi

    IPC分类号： G03G15/01

    CPC分类号： G03G15/6567 ,  G03G15/0194 ,  G03G2215/00156 ,  G03G2215/1623

    摘要： An image forming apparatus includes: a transfer-sheet conveying member that rotates to convey a transfer sheet; a first image forming unit that directly transfers a color image onto the transfer sheet; an intermediate transfer member that rotates while an image is transferred thereon; a second image forming unit that transfers images onto the intermediate transfer member; a secondary transfer unit that transfers the images on the intermediate transfer member onto the transfer sheet; a measuring unit that measures a surface velocity of the transfer-sheet conveying member and the intermediate transfer member; and a control unit that performs phase matching control by accelerating or decelerating the transfer-sheet conveying member or the intermediate transfer member so as to match a phase of fluctuation of the measured surface velocity of the transfer-sheet conveying member and a phase of fluctuation of the measured surface velocity of the intermediate transfer member.

    摘要翻译： 图像形成装置包括：转印片材输送部件，其转印以输送转印片材; 将彩色图像直接转印到转印纸上的第一图像形成单元; 中间转印构件，其在图像转印时旋转; 第二图像形成单元，其将图像转印到所述中间转印部件上; 二次转印单元，其将中间转印部件上的图像转印到转印纸上; 测量单元，其测量转印纸传送部件和中间传送部件的表面速度; 以及控制单元，其通过加速或减速转印纸传送构件或中间转印构件来进行相位匹配控制，以使转印纸传送构件的测量表面速度的波动相位与波动的相位相匹配 测量的中间转印部件的表面速度。