OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS
    1.
    发明申请
    OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS 审中-公开
    光学打印头和图像形成装置

    公开(公告)号:US20120113208A1

    公开(公告)日:2012-05-10

    申请号:US13280173

    申请日:2011-10-24

    IPC分类号: B41J2/435

    CPC分类号: B41J2/451

    摘要: An optical print head including, a first element row in which a plurality of light emitting elements aligns in a predetermined direction; a second element row in which a plurality of light emitting elements aligns in a predetermined direction, which aligns with the first element row in a direction orthogonal to the predetermined direction, and deviates in the predetermined direction with respect to the first element row; a data sorting circuit which outputs image data corresponding to an exposure region formed on a photoconductor due to light emitting of the first element row, and image data corresponding to an exposure region formed on the photoconductor due to light emitting of the second element row, at timings which are different from each other; and a driver which drives the light emitting elements in the first element row and the second element row, by receiving an output from the data sorting circuit.

    摘要翻译: 一种光学打印头,包括:第一元件列,其中多个发光元件沿预定方向排列; 第二元件行,其中多个发光元件沿与预定方向正交的方向与第一元件行对齐的预定方向排列,并相对于第一元素行在预定方向上偏移; 数据排序电路,其输出由于第一元素行的发光而形成在光电导体上的曝光区域的图像数据,以及由于第二元件列的发光而形成在感光体上的曝光区域的图像数据 时间不同; 以及驱动器,其通过接收来自数据分类电路的输出来驱动第一元件行和第二元件行中的发光元件。

    Light beam scanning apparatus and image forming apparatus
    3.
    发明授权
    Light beam scanning apparatus and image forming apparatus 有权
    光束扫描装置和图像形成装置

    公开(公告)号:US07804514B2

    公开(公告)日:2010-09-28

    申请号:US12172667

    申请日:2008-07-14

    IPC分类号: B41J2/435

    CPC分类号: B41J2/471

    摘要: An image forming apparatus is provided with a modulator producing a modulated signal of a pulse width decided on given image data and a driver driving an optical generator such as laser to generate a light beam. The image forming apparatus is further provided with a scanner periodically scanning the light beam generated by the optical generator and a power detector detecting information indicative of a power of the light beam scanned by the scanner. A pulse width adjustor uses the information detected by the power detector, in order to adjust the pulse width of the light beam.

    摘要翻译: 图像形成装置具有调制器,其产生在给定图像数据上决定的脉冲宽度的调制信号,以及驱动器驱动诸如激光器的光学发生器的驱动器以产生光束。 图像形成装置还设置有周期性扫描由光学发生器产生的光束的扫描仪和检测由扫描仪扫描的光束的功率的信号的功率检测器。 脉冲宽度调节器使用由功率检测器检测的信息,以便调节光束的脉冲宽度。

    Light beam scanning apparatus and image forming apparatus with parallel modulating and driving channels
    4.
    发明授权
    Light beam scanning apparatus and image forming apparatus with parallel modulating and driving channels 有权
    光束扫描装置和具有并行调制和驱动通道的图像形成装置

    公开(公告)号:US07436424B2

    公开(公告)日:2008-10-14

    申请号:US11092888

    申请日:2005-03-29

    IPC分类号: B41J2/47

    摘要: An image forming apparatus includes a light generator (e.g., laser) generating a scanning light beam and a driver driving the light generator depending on a drive signal to be provided. In this apparatus, data formed of image information at each pixel of each line along a main scan direction of an image to be targeted are distributed into a plurality of strings (i.e., channels) of data (e.g., two strings). Concerning each pixel provided by data in each string, information indicative of both a start and an end of modulation (e.g., PWM) is then produced. By using the start and end information, a modulator performs modulation depending on the data of each pixel in each string, providing a modulated signal. The modulated signals from the plural strings are mutually synthesized at synchronizes timings, being provided as the drive signal and given to the driver.

    摘要翻译: 图像形成装置包括根据要提供的驱动信号产生扫描光束的光发生器(例如激光器)和驱动光发生器的驱动器。 在该装置中,沿着要对象的图像的主扫描方向的每行的每个像素处的图像信息形成的数据被分配到多个数据串(例如,两个串)中。 关于每个串中由数据提供的每个像素,随后产生指示调制的开始和结束(例如PWM)的信息。 通过使用开始和结束信息,调制器根据每个串中每个像素的数据执行调制,从而提供调制信号。 来自多个串的调制信号在同步定时被相互合成,作为驱动信号提供给驱动器。

    Light beam scanning apparatus and image forming apparatus
    5.
    发明授权
    Light beam scanning apparatus and image forming apparatus 失效
    光束扫描装置和图像形成装置

    公开(公告)号:US07408567B2

    公开(公告)日:2008-08-05

    申请号:US11091933

    申请日:2005-03-29

    IPC分类号: B41J2/435

    CPC分类号: B41J2/471

    摘要: An image forming apparatus is provided with a modulator producing a modulated signal of a pulse width decided on given image data and a driver driving an optical generator such as laser to generate a light beam. The image forming apparatus is further provided with a scanner periodically scanning the light beam generated by the optical generator and a power detector detecting information indicative of a power of the light beam scanned by the scanner. A pulse width adjustor uses the information detected by the power detector, in order to adjust the pulse width of the light beam.

    摘要翻译: 图像形成装置具有调制器,其产生在给定图像数据上决定的脉冲宽度的调制信号,以及驱动器驱动诸如激光器的光学发生器的驱动器以产生光束。 图像形成装置还设置有周期性扫描由光学发生器产生的光束的扫描仪和检测由扫描仪扫描的光束的功率的信号的功率检测器。 脉冲宽度调节器使用由功率检测器检测的信息,以便调节光束的脉冲宽度。

    Optical beam scanning apparatus, optical beam scanning method, optical beam scanning program, image forming apparatus, image forming method, image forming program
    6.
    发明申请
    Optical beam scanning apparatus, optical beam scanning method, optical beam scanning program, image forming apparatus, image forming method, image forming program 审中-公开
    光束扫描装置,光束扫描方法,光束扫描程序,图像形成装置,图像形成方法,图像形成程序

    公开(公告)号:US20080018727A1

    公开(公告)日:2008-01-24

    申请号:US11491737

    申请日:2006-07-24

    IPC分类号: B41J2/435

    CPC分类号: B41J2/471 G06K15/1247

    摘要: In the optical beams scanning apparatus and an image forming apparatus having this optical beam scanning apparatus according to this invention, a light emitting unit emits plural laser beams set at a predetermined output in advance, and a scanning unit deflects the emitted plural laser beams and scans with them. A laser beam output setting unit arranges the light emitting unit so that scanning positions of the plural laser beams are arrayed in time series in a main scanning direction on the same line, and sets the output of laser beams cast onto a photoconductor by using the plural laser beams. A writing unit writes an image to the photoconductor with the preset output of the laser beams cast onto the photoconductor, using the plural laser beams used for scanning. With the optical beam scanning apparatus and the image forming apparatus having this optical beam scanning apparatus according to this invention, the output of laser beams cast onto a photoconductive drum can be controlled at a high speed.

    摘要翻译: 在根据本发明的光束扫描装置和具有该光束扫描装置的图像形成装置中,发光单元预先发射设置在预定输出端的多个激光束,并且扫描单元使发射的多个激光束偏转并扫描 跟他们。 激光束输出设定单元配置发光单元,使得多个激光束的扫描位置在同一行上的主扫描方向上以时间序列排列,并且通过使用多个激光束将激光束的输出设置在光电导体上 激光束。 写入单元使用用于扫描的多个激光束,使用投射到光电导体上的激光束的预设输出将图像写入光电导体。 利用具有根据本发明的光束扫描装置的光束扫描装置和图像形成装置,可以高速地控制投射到感光鼓上的激光束的输出。

    Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method
    7.
    发明申请
    Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method 审中-公开
    激光束扫描装置,图像形成装置和激光束扫描方法

    公开(公告)号:US20070216757A1

    公开(公告)日:2007-09-20

    申请号:US11375920

    申请日:2006-03-14

    IPC分类号: B41J2/435

    摘要: A laser beam scanning apparatus according to the invention includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that performs scanning in a main scanning direction with a laser beam and irradiates the laser beam on a photosensitive member via an optical lens; an error signal generating unit that monitors, in a predetermined period, intensity of a laser beam outputted from the laser oscillating unit and generates an error signal of an error between output intensity of the laser oscillating unit and a predetermined output reference value; a correction signal generating unit that generates a correction signal for correcting output intensity of a laser beam according to a change in optical efficiency in the main scanning direction such that intensity of the laser beam in the main scanning direction on the photosensitive member is constant; and a laser control signal generating unit that holds, during the image formation period, a reference signal generated on the basis of the error signal and applies the correction signal to the reference signal to generate a laser control signal for determining intensity of a laser beam outputted from the laser oscillating unit. The correction signal generated by the correction signal generating unit is a correction signal for correcting sensitivity of the photosensitive member including a change in the sensitivity with time and is a correction signal for further applying correction corresponding to a change in optical efficiency in the main scanning direction to output intensity of a laser beam with the change in the sensitivity with time corrected.

    摘要翻译: 根据本发明的激光束扫描装置包括:激光振荡单元,其输出激光束; 激光束扫描单元,其利用激光束在主扫描方向上进行扫描,并且经由光学透镜将激光束照射在感光构件上; 误差信号发生单元,在预定周期中监视从激光振荡单元输出的激光束的强度,并产生激光振荡单元的输出强度与预定输出参考值之间的误差的误差信号; 校正信号产生单元,其根据主扫描方向上的光效率的变化产生用于校正激光束的输出强度的校正信号,使得激光束在感光构件上的主扫描方向上的强度恒定; 以及激光控制信号生成单元,其在图像形成期间保持基于所述误差信号生成的基准信号,并将所述校正信号施加到所述参考信号,以生成用于确定输出的激光束的强度的激光控制信号 来自激光振荡单元。 由校正信号产生单元产生的校正信号是用于校正包括灵敏度随时间变化的感光构件的灵敏度的校正信号,并且是用于进一步应用与主扫描方向上的光效率的变化相对应的校正的校正信号 以随着时间校正随着灵敏度的变化而输出激光束的强度。

    Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method
    8.
    发明申请
    Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method 审中-公开
    激光束扫描装置,图像形成装置和激光束扫描方法

    公开(公告)号:US20070216756A1

    公开(公告)日:2007-09-20

    申请号:US11376776

    申请日:2006-03-15

    IPC分类号: B41J2/435

    CPC分类号: G06K15/1219

    摘要: A laser beam scanning apparatus includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that scans and irradiates the laser beam in a main scanning direction on a photosensitive member; an error signal generating unit that monitors intensity of a laser beam and generates an error signal between output intensity of the laser oscillating unit and a reference value; a correction signal generating unit that generates a correction signal for correcting intensity of a laser beam along the main scanning direction to be constant; a correction signal converting unit that converts a correction signal into an adapted correction signal by attenuating the correction signal; and a laser control signal generating unit that holds, during the image formation period, a reference signal generated on the basis of the error signal and applies the adapted correction signal to the reference signal to generate a laser control signal for determining intensity of a laser beam outputted from the laser oscillating unit.

    摘要翻译: 激光束扫描装置包括:激光振荡单元,其输出激光束; 激光束扫描单元,其在感光构件上沿主扫描方向扫描和照射激光束; 误差信号发生单元,其监视激光束的强度并在激光振荡单元的输出强度与参考值之间产生误差信号; 校正信号生成单元,其生成用于校正激光束沿着主扫描方向的强度为一定的校正信号; 校正信号转换单元,通过衰减校正信号将校正信号转换成适配的校正信号; 以及激光控制信号生成单元,其在图像形成期间保持基于误差信号生成的参考信号,并将适应的校正信号施加到所述参考信号,以生成用于确定激光束强度的激光控制信号 从激光振荡单元输出。

    Light beam scanning apparatus capable of shortening the standby time and image forming apparatus capable of shortening the standby time
    9.
    发明授权
    Light beam scanning apparatus capable of shortening the standby time and image forming apparatus capable of shortening the standby time 有权
    能够缩短待机时间的光束扫描装置和能够缩短待机时间的图像形成装置

    公开(公告)号:US07158163B2

    公开(公告)日:2007-01-02

    申请号:US10805531

    申请日:2004-03-22

    IPC分类号: B41J2/435

    CPC分类号: B41J2/471

    摘要: A light beam scanning apparatus according to an embodiment of this invention includes a reflection unit for reflecting a light beam, a rotation unit for rotating the reflection unit, a rotation control unit for controlling rotation of the rotation unit, a rotational speed detection unit for detecting a rotational speed of the rotation unit, a light amount control unit for, before the rotational speed detection unit detects that the rotational speed has reached a predetermined rotational speed, controlling light emission of the light beam and controlling the light amount of the light beam to a predetermined value, and a light emission control unit for, after the rotational speed detection unit detects that the rotational speed has reached the predetermined rotational speed, controlling a light emission timing of the light beam.

    摘要翻译: 根据本发明实施例的光束扫描装置包括用于反射光束的反射单元,用于旋转反射单元的旋转单元,用于控制旋转单元的旋转的旋转控制单元,用于检测旋转单元的旋转速度检测单元 旋转单元的旋转速度,用于在转速检测单元检测到转速已经达到预定旋转速度之前的光量控制单元,控制光束的发光并将光束的光量控制为 以及发光控制单元,用于在转速检测单元检测到转速已经达到预定转速之后,控制光束的发光定时。

    Beam scanning apparatus and image forming apparatus using the same
    10.
    发明授权
    Beam scanning apparatus and image forming apparatus using the same 失效
    光束扫描装置及使用其的成像装置

    公开(公告)号:US07030900B2

    公开(公告)日:2006-04-18

    申请号:US10617029

    申请日:2003-07-11

    IPC分类号: B41J2/47

    摘要: A method and apparatus for scanning a common scan line in a main scanning direction with a light emitting device is provided. The method and apparatus preferably generates at least a first control signal and a second control signal for driving the light emitting device, the first control signal and the second control signal being generated from image data for the common scan line in the main scanning direction, drives the light emitting device with the first control signal to scan the common scan line in the main scanning direction, and drives the light emitting device with the second control signal to scan the common scan line in the main scanning direction.

    摘要翻译: 提供一种用于利用发光器件扫描主扫描方向的公共扫描线的方法和装置。 所述方法和装置优选地至少产生用于驱动发光装置的第一控制信号和第二控制信号,所述第一控制信号和第二控制信号是从主扫描方向上的共扫描线的图像数据产生的,驱动 具有第一控制信号的发光器件沿主扫描方向扫描公共扫描线,并且利用第二控制信号驱动发光器件以沿主扫描方向扫描公共扫描线。