OPTICAL WRITER, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITER
    23.
    发明申请
    OPTICAL WRITER, IMAGE FORMING APPARATUS, AND METHOD OF CONTROLLING OPTICAL WRITER 有权
    光学写入,图像形成装置和控制光学写入的方法

    公开(公告)号:US20110228029A1

    公开(公告)日:2011-09-22

    申请号:US13046893

    申请日:2011-03-14

    IPC分类号: B41J2/385 B41J2/435

    摘要: An optical writer includes a scanning part causing a light beam from a light source to perform scanning on a photosensitive body; an image information obtaining part obtaining image information of an image; a dithering information obtaining part obtaining dithering information of the image; a pixel clock generating part generating a pixel clock signal; and a light emission control part to control the light source based on the image information in accordance with the pixel clock signal. The pixel clock generating part modulates the clock frequency of the pixel clock signal in accordance with phase shift information for correcting a change in the speed of the scanning on main scanning lines on the photosensitive body, and determines the timing of modulating the clock frequency based on the dithering information on a main scanning line basis so that the timing of modulating the clock frequency differs between the main scanning lines.

    摘要翻译: 光学写入器包括使来自光源的光束在感光体上进行扫描的扫描部分; 获取图像的图像信息的图像信息获取部分; 抖动信息获取部分获得图像的抖动信息; 产生像素时钟信号的像素时钟产生部分; 以及发光控制部,其根据像素时钟信号基于图像信息来控制光源。 像素时钟生成部根据用于校正感光体上的主扫描线上的扫描速度的变化的相移信息来调制像素时钟信号的时钟频率,并且基于 在主扫描线基础上的抖动信息,使得调制时钟频率的定时在主扫描线之间不同。

    Positional misalignment correcting device and image forming apparatus
    24.
    发明授权
    Positional misalignment correcting device and image forming apparatus 有权
    位置未对准校正装置和图像形成装置

    公开(公告)号:US07986907B2

    公开(公告)日:2011-07-26

    申请号:US12210491

    申请日:2008-09-15

    申请人: Tatsuya Miyadera

    发明人: Tatsuya Miyadera

    IPC分类号: G03G15/00

    CPC分类号: G03G15/0194 G03G2215/0161

    摘要: A positional misalignment correcting device includes a pattern forming unit that forms a correction pattern and a detecting unit that detects the correction pattern. The detecting unit includes one light emitting element and one light receiving element. The pattern forming unit forms the correction pattern on a transfer member such that a formation area in which the correction pattern is to be formed along a direction perpendicular to a conveying direction of the transfer member is smaller than a light-receiving area of the light receiving element.

    摘要翻译: 位置偏移校正装置包括形成校正图案的图案形成单元和检测校正图案的检测单元。 检测单元包括一个发光元件和一个光接收元件。 图案形成单元在转印构件上形成校正图案,使得沿着与转印构件的输送方向垂直的方向形成校正图案的形成区域小于受光区域的受光面积 元件。

    OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, METHOD OF CONTROLLING OPTICAL WRITING DEVICE, AND COMPUTER PROGRAM PRODUCT
    25.
    发明申请
    OPTICAL WRITING DEVICE, IMAGE FORMING APPARATUS, METHOD OF CONTROLLING OPTICAL WRITING DEVICE, AND COMPUTER PROGRAM PRODUCT 有权
    光学写入装置,图像形成装置,控制光学写入装置的方法和计算机程序产品

    公开(公告)号:US20110043592A1

    公开(公告)日:2011-02-24

    申请号:US12862144

    申请日:2010-08-24

    IPC分类号: B41J2/435

    CPC分类号: G06K15/1247

    摘要: An optical writing device includes: a light source including arrays arranged in a main scanning direction, each array including light-emitting elements arranged in the main scanning direction; a correction-value holding unit to hold, correspondingly with a light-emitting element, a correction value for changing timing to read out pixel data stored in an image storage unit; and a light-source drive unit to drive the light source by reading out the stored pixel data stored, according to the correction value. The correction-value holding unit includes a first area for holding a first correction value corresponding to a first light-emitting element located at an end of an array and a second area for holding a second correction value corresponding to a second light-emitting element other than the first light-emitting element, the first holding area being larger than the second holding area.

    摘要翻译: 光写入装置包括:包括沿主扫描方向布置的阵列的光源,每个阵列包括沿主扫描方向布置的发光元件; 校正值保持单元,与发光元件对应地保持用于改变定时的校正值,以读出存储在图像存储单元中的像素数据; 以及光源驱动单元,通过根据校正值读出存储的所存储的像素数据来驱动光源。 校正值保持单元包括用于保持对应于位于阵列末端的第一发光元件的第一校正值的第一区域和用于保持对应于第二发光元件的第二校正值的第二区域的其他 第一保持区域大于第二保持区域。

    IMAGE FORMING APPARATUS, CORRECTION CONTROL METHOD AND COMPUTER READABLE INFORMATION RECORDING MEDIUM
    26.
    发明申请
    IMAGE FORMING APPARATUS, CORRECTION CONTROL METHOD AND COMPUTER READABLE INFORMATION RECORDING MEDIUM 有权
    图像形成装置,校正控制方法和计算机可读信息记录介质

    公开(公告)号:US20110026082A1

    公开(公告)日:2011-02-03

    申请号:US12846896

    申请日:2010-07-30

    IPC分类号: H04N1/40

    摘要: An image forming apparatus for which a first mode using toners of plural colors including a black toner and a second mode using only the black toner can be set, includes a first printing cumulatively counting part that cumulatively counts a first number of pages for which image forming has been executed by using the toners of plural colors; a first printing determining part that determines whether the first number of pages counted by the first printing cumulatively counting part has exceeded a threshold; and a correction control part that controls not to execute a correcting process for image forming that uses the toners of plural colors but to execute a correcting process for image forming that uses only the black toner, when the second mode has been set in a case where the first printing determining part has determined that the first number of pages has exceeded the threshold.

    摘要翻译: 可以设置使用包括黑色调色剂的多种颜色的调色剂和仅使用黑色调色剂的第二模式的第一模式的图像形成装置,该第一模式包括累积计数第一页数的第一打印累积计数部分, 已经通过使用多种颜色的调色剂来执行; 第一打印确定部,其确定由所述第一打印累积计数部计数的所述第一页数是否超过阈值; 以及校正控制部分,其控制不执行使用多种颜色的调色剂的图像形成的校正处理,而是执行仅使用黑色调色剂的图像形成的校正处理,当在第二模式被设定为 第一打印确定部件已经确定第一页数已经超过阈值。