Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images
    41.
    发明申请
    Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images 有权
    图像形成装置具有用于减少叠加图像的偏差的增强的控制方法

    公开(公告)号:US20070140736A1

    公开(公告)日:2007-06-21

    申请号:US11635550

    申请日:2006-12-08

    IPC分类号: G03G15/00 G03G15/01

    摘要: An image forming apparatus is disclosed. In at least one embodiment, the apparatus includes a plurality of image carriers to carry an image; a plurality of drivers to drive the image carriers; a plurality of drive-force transmitting members to transmit a driving-force from the drivers to image carriers; a developing unit, provided to the image carriers, to develop the image; a transfer member, facing the image carriers, to receive the image from the image carriers sequentially; an image detector to detect the image on the transfer member to check a detection timing of the image; a sensor, provided to each of the image carriers, to detect a rotational speed of image carriers; and a controller to conduct an image-to-image displacement control, a speed-deviation checking, and a phase adjustment control for each of the plurality of image carriers with the image detector and sensor.

    摘要翻译: 公开了一种图像形成装置。 在至少一个实施例中,该装置包括用于承载图像的多个图像载体; 驱动图像载体的多个驱动器; 多个驱动力传递构件,用于将驱动力从驾驶员传递到图像载体; 显影单元,提供给图像载体,以显影图像; 面向图像载体的转印构件,以顺序地从图像载体接收图像; 图像检测器,用于检测所述传送构件上的图像,以检查图像的检测定时; 提供给每个图像载体的传感器,以检测图像载体的旋转速度; 以及控制器,用于使用图像检测器和传感器对多个图像载体中的每一个进行图像到图像位移控制,速度偏差检查和相位调整控制。

    Color image forming device and color deviation detection device for the same
    42.
    发明授权
    Color image forming device and color deviation detection device for the same 有权
    彩色图像形成装置和颜色偏差检测装置相同

    公开(公告)号:US07130551B2

    公开(公告)日:2006-10-31

    申请号:US10880510

    申请日:2004-07-01

    IPC分类号: G03G15/00 G03G15/01

    CPC分类号: G03G15/01 G03G2215/0161

    摘要: A color deviation detection device for a color image forming device which prevents the occurrence of color deviation that is attributable to the fact that the precision of color deviation detection is low, the replacement of photosensitive bodies or developing devices is itself a cause of fluctuation in the color deviation, and the precision of the part before and after replacement is slightly different. In the color deviation detection device, the spacing between marks of the reference color and other colors, the spacing between marks of the same color and the spacing between mark sets are set as the spacing between marks within the mark sets and the spacing between mark sets, so that when the amount of color deviation is calculated for a synthesized wave comprising two or more driving irregularity frequencies that are generated by the image carrying body driving system and the transfer driving system, the calculation error caused by this synthesized wave is within a range that allows correction of the deviation of the image of a plurality of colors.

    摘要翻译: 一种用于彩色图像形成装置的颜色偏差检测装置,其防止由于颜色偏差检测的精度低而导致的颜色偏差的发生,感光体或显影装置的更换本身是引起波动的原因 颜色偏差,零件更换前后的精度略有差异。 在颜色偏差检测装置中,将参考颜色的标记与其他颜色之间的间隔,相同颜色的标记之间的间隔与标记集之间的间距设置为标记集合内的标记与标记集之间的间隔 ,使得当对于由图像承载体驱动系统和传送驱动系统产生的包括两个或更多个驱动不规则频率的合成波计算颜色偏差量时,由该合成波引起的计算误差在一个范围内 这允许校正多种颜色的图像的偏差。

    Method for setting rotational speed of register rollers and image forming apparatus using the method
    46.
    发明授权
    Method for setting rotational speed of register rollers and image forming apparatus using the method 失效
    使用该方法设定定位辊和成像装置的转速的方法

    公开(公告)号:US06999713B2

    公开(公告)日:2006-02-14

    申请号:US11113025

    申请日:2005-04-25

    IPC分类号: G03G15/00

    摘要: An image forming apparatus in which the rotational speed of register rollers is calculated at first to fourth stations at a transfer belt drive system, and transfer feedback control for varying the speed of a transfer drive motor is carried out on the transfer drive motor so that the speed of movement of a transfer belt is maintained at a predetermined value. The transfer feedback control is carried out on the image forming apparatus so as to vary the speed of the transfer drive motor so that the speed of movement of the transfer belt is maintained at a predetermined value or so as not to vary the speed of the transfer drive motor as a result of not carrying out the transfer feedback control.

    摘要翻译: 一种图像形成装置,其中在转印带驱动系统处在第一至第四站处计算对准辊的转速,并且在转印驱动电动机上执行用于改变转印驱动电动机的转速的转印反馈控制,使得 转印带的运动速度保持在预定值。 在图像形成装置上进行传送反馈控制,以便改变传送驱动电动机的速度,使得转印带的移动速度保持在预定值或不变化转印速度 驱动电机由于不执行传输反馈控制。

    Electron-beam writing device and electron-beam writing method
    47.
    发明授权
    Electron-beam writing device and electron-beam writing method 失效
    电子束写入装置和电子束写入方法

    公开(公告)号:US06989536B2

    公开(公告)日:2006-01-24

    申请号:US10897344

    申请日:2004-07-21

    IPC分类号: H01J37/28 H01J37/256

    摘要: The present invention aims at providing a device and method for writing a line with a high degree of precision at high speed. Distance calculation means 311 calculates the start-to-end point distance L of a writing pattern (S502), and number-of-scan-clocks calculating means 312 calculates the number of scan clocks required to write the writing pattern based on the start-to-end point distance L and a unit distance corresponding to the minimum time resolution for a high-speed D/A converter 306 (S503). Count conversion means 605 separates the start-to-end point distance L into X and Y components to convert them in an equation using the number of scan clocks (S504). Based on the equation, variable rate calculating means 314 calculates an extinction ratio to determine the extinction ratio at a variable attenuator 307 (S505). ATT D/A converter 303 specifies the extinction ratio at the attenuator 307 to reduce the unit distance corresponding to the resolving power of the high-speed D/A converter 306 so that an electron beam will be irradiated and scanned at intervals of the reduced unit distance to perform writing.

    摘要翻译: 本发明旨在提供一种以高速度高精度地写入线的装置和方法。 距离计算装置311计算写入模式的起始点到终点距离L(S 502),并且扫描时间计算装置312基于开始计算写入写入模式所需的扫描时钟数 到端点距离L和对应于高速D / A转换器306的最小时间分辨率的单位距离(S 503)。 计数转换装置605将起始点到终点距离L分离为X和Y分量,以使用扫描时钟数在等式中转换它们(S 504)。 基于该方程,可变速率计算装置314计算消光比以确定可变衰减器307处的消光比(S 505)。 ATT D / A转换器303指定衰减器307处的消光比,以减小对应于高速D / A转换器306的分辨率的单位距离,使得将电子束以缩小单位的间隔照射和扫描 执行写作的距离

    Apparatus and method for color image forming, and computer program product for driver controller
    48.
    发明申请
    Apparatus and method for color image forming, and computer program product for driver controller 失效
    彩色图像形成装置和方法,以及用于驱动控制器的计算机程序产品

    公开(公告)号:US20050238372A1

    公开(公告)日:2005-10-27

    申请号:US11104618

    申请日:2005-04-13

    摘要: A color image forming apparatus including a plurality of photosensitive drums on which toner images of different colors are respectively formed. An endless belt confronts the plurality of photosensitive drums. A drive source drives rotation of the endless belt, or alternatively plural drive sources drive the photosensitive drums to individually rotate. A memory stores pre-measured characteristics of a color misregistration of a color image in a sub-scanning direction of the apparatus, the color image formed by transferring images from respective of the plurality of photosensitive drums. Further, a control unit changes an average running speed of the endless belt, or alternatively an average running speed of at least some of the photosensitive drums, by controlling the drive sources, to compensate for color misregistration, based on the stored characteristics of color misregistration. The belt can either transport a paper sheet or have a color image formed thereon as an intermediate transfer device.

    摘要翻译: 一种彩色图像形成装置,包括分别形成有不同颜色的调色剂图像的多个感光鼓。 环形带面对多个感光鼓。 驱动源驱动环形带的旋转,或者多个驱动源驱动感光鼓以单独旋转。 存储器存储在装置的副扫描方向上的彩色图像的颜色对准的预测特性,通过从多个感光鼓的相应的图像转印图像而形成的彩色图像。 此外,控制单元通过控制驱动源来改变环形带的平均行驶速度,或者替代地,至少一些感光鼓的平均行进速度,以基于存储的颜色重合失调的特性来补偿颜色重合失调 。 带可以输送纸张或者形成在其上的彩色图像作为中间转印装置。