Multiple-spot beam control for a raster output scanner an
electrophotographic printer
    31.
    发明授权
    Multiple-spot beam control for a raster output scanner an electrophotographic printer 失效
    用于光栅输出扫描仪的电子照相打印机的多点光束控制

    公开(公告)号:US5319393A

    公开(公告)日:1994-06-07

    申请号:US862154

    申请日:1992-04-02

    Abstract: A scanner adapted to selectively discharge a charged photosensitive surface emits a plurality of light beams, with the plurality of light beams impinging on the charged photosensitive surface forming a composite light spot to discharge the charge thereon. The intensity of at least one of the plurality of light beams may be varied to adjust the position of the composite spot centroid on the charged photosensitive surface.

    Abstract translation: 适于选择性地放电带电感光表面的扫描器发射多个光束,其中多个光束照射在带电感光表面上,形成复合光斑以在其上排出电荷。 可以改变多个光束中的至少一个光束的强度,以调整带电感光表面上的复合光点重心的位置。

    IMAGE POSITION DETECTOR AND IMAGE FORMING DEVICE
    32.
    发明申请
    IMAGE POSITION DETECTOR AND IMAGE FORMING DEVICE 有权
    图像位置检测器和图像形成装置

    公开(公告)号:US20120298845A1

    公开(公告)日:2012-11-29

    申请号:US13474890

    申请日:2012-05-18

    Abstract: An image position detector includes a light emitting element to emit light to an image on an image carrier, a first light receiving element to receive a specular reflection of light from a surface of the image carrier and output a first light receiving signal, and a second light receiving element to receive a diffuse reflection of light from a surface of the image and output a second light receiving signal. The image position detector is configured to find the end position of the image according to a multiplied value obtained by multiplying values of the first and second light receiving signals by a constant coefficient.

    Abstract translation: 图像位置检测器包括发光元件以对图像载体上的图像发光,第一光接收元件,用于接收来自图像载体的表面的光的镜面反射并输出第一光接收信号,第二光接收元件 光接收元件,用于接收来自图像表面的光的漫反射,并输出第二光接收信号。 图像位置检测器被配置为根据通过将第一和第二光接收信号的值乘以常数系数获得的相乘值来找到图像的结束位置。

    Image forming apparatus and method of controlling the same
    33.
    发明授权
    Image forming apparatus and method of controlling the same 有权
    图像形成装置及其控制方法

    公开(公告)号:US08284454B2

    公开(公告)日:2012-10-09

    申请号:US12174838

    申请日:2008-07-17

    Inventor: Seung Cheol Yoo

    Abstract: An image forming apparatus includes a hyper print video controller (HPVC) to generate video data from input data, an engine controller to compensate for a dot offset of the video data and to output the dot offset-compensated video data, and a laser scanning unit to perform a print operation according to the dot offset compensated video data. Therefore, HPVC size is reduced so that chip size can be reduced. This reduction in size accordingly reduces power consumption, and enhances chip efficiency.

    Abstract translation: 图像形成装置包括从输入数据生成视频数据的超级打印视频控制器(HPVC),用于补偿视频数据的点偏移并输出点偏移补偿视频数据的引擎控制器,以及激光扫描单元 以根据点偏移补偿视频数据执行打印操作。 因此,HPVC尺寸减小,从而可以减小芯片尺寸。 因此,尺寸的减小相应地降低了功耗,并提高了芯片的效率。

    Printer
    34.
    发明授权
    Printer 有权
    打印机

    公开(公告)号:US07552991B2

    公开(公告)日:2009-06-30

    申请号:US11903127

    申请日:2007-09-20

    Inventor: Yoshikazu Koike

    Abstract: A printer for printing on a medium on an endless belt by printer heads includes: a generator generating printing data for each printer head; a detector detecting time-series data for the meandering of the medium; a generator generating correction data preventing disorder of a printed image due to the meandering; and a controller operating each printer head according to the correction and printing data, wherein the correction-data generator selects a specific difference between factors in the time when the time-series and predetermined time-series data are related and newly generates correction data corresponding to the selected factor, wherein a replacement section replaces a factor in the time corresponding to the specific factor of the reference time-series data with the specific factor, and the time-series-data detection section detects the time-series data when power is supplied to the printer.

    Abstract translation: 一种用于通过打印头在环形带上的介质上打印的打印机包括:生成每个打印头的打印数据的发生器; 检测器,用于检测介质曲折的时间序列数据; 产生校正数据的发生器,其防止由于曲折而引起的打印图像的混乱; 以及控制器,根据所述校正和打印数据对每个打印机进行操作,其中所述校正数据生成器选择所述时间序列和预定时间序列数据相关的时间中的因素之间的特定差异,并且新生成对应于 所选择的因子,其中替换部分用特定因素替换与参考时间序列数据的特定因子对应的时间的因子,并且时间序列数据检测部分在供电时检测时间序列数据 到打印机。

    Printer
    35.
    发明申请
    Printer 有权
    打印机

    公开(公告)号:US20080024538A1

    公开(公告)日:2008-01-31

    申请号:US11903127

    申请日:2007-09-20

    Inventor: Yoshikazu Koike

    Abstract: A printer for printing on a medium on an endless belt by printer heads includes: a generator generating printing data for each printer head; a detector detecting time-series data for the meandering of the medium; a generator generating correction data preventing disorder of a printed image due to the meandering; and a controller operating each printer head according to the correction and printing data, wherein the correction-data generator selects a specific difference between factors in the time when the time-series and predetermined time-series data are related and newly generates correction data corresponding to the selected factor, wherein a replacement section replaces a factor in the time corresponding to the specific factor of the reference time-series data with the specific factor, and the time-series-data detection section detects the time-series data when power is supplied to the printer.

    Abstract translation: 一种用于通过打印头在环形带上的介质上打印的打印机包括:生成每个打印头的打印数据的发生器; 检测器,用于检测介质曲折的时间序列数据; 产生校正数据的发生器,其防止由于曲折而引起的打印图像的混乱; 以及控制器,根据所述校正和打印数据对每个打印机进行操作,其中所述校正数据生成器选择所述时间序列和预定时间序列数据相关的时间中的因素之间的特定差异,并且新生成对应于 选择因子,其中替换部分用特定因素代替与参考时间序列数据的特定因子对应的时间的因子,并且时间序列数据检测部分在供电时检测时间序列数据 到打印机。

    Method for achieving accurate page margins on a media and duplex imaging apparatus thereof
    36.
    发明申请
    Method for achieving accurate page margins on a media and duplex imaging apparatus thereof 有权
    用于在其介质和双工成像设备上实现精确的页边距的方法

    公开(公告)号:US20070220422A1

    公开(公告)日:2007-09-20

    申请号:US11378216

    申请日:2006-03-17

    Applicant: Brian Cook

    Inventor: Brian Cook

    Abstract: A method for achieving accurate page margins on a media and a duplex imaging apparatus thereof. The method comprises: detecting a leading edge position by an edge sensor and a first left-to-right position of the media by an alignment sensor in a first imaging path; imaging a first side of the media in a print zone of the duplex imaging apparatus; removing the media from the print zone and disposing the media in a second imaging path; detecting a leading edge position by the edge sensor and a second left-to-right position of the media by the alignment sensor; determining a carrier reset distance by calculating a difference between first and second left-to-right positions, and shifting a print image by a distance substantially equal to the carrier reset distance thereby achieving accurate page margins for imaging a second side of the media with the print image. In another embodiment, the first left-to-right position can be determined by feeding the media into a preset first left-to-right position.

    Abstract translation: 一种用于在介质及其双面成像装置上实现精确的页边距的方法。 该方法包括:通过第一成像路径中的对准传感器,通过边缘传感器和介质的第一左至右位置检测前缘位置; 在所述双面成像设备的打印区域中成像所述介质的第一侧; 从打印区域移除介质并将介质布置在第二成像路径中; 通过边缘传感器检测前缘位置和由对准传感器检测介质的第二左至右位置; 通过计算第一和第二左至右位置之间的差异来确定载体复位距离,并且将打印图像移位基本上等于载波复位距离的距离,从而实现用于对介质的第二面进行成像的精确的页边距, 打印图像。 在另一个实施例中,可以通过将介质馈送到预设的第一左至右位置来确定第一左至右位置。

    Optical scanner and image forming apparatus
    37.
    发明申请
    Optical scanner and image forming apparatus 失效
    光学扫描仪和图像形成装置

    公开(公告)号:US20070091163A1

    公开(公告)日:2007-04-26

    申请号:US11512122

    申请日:2006-08-30

    CPC classification number: H04N1/40031 H04N1/191 H04N2201/04758

    Abstract: An optical scanner includes a light source unit configured to emit light; an optical system configured to cause the light emitted from the light source unit to scan an object so as to form an image on the object; and a control unit configured to control the light source unit. The light source unit includes a plurality of light emitting units arranged in a sub scanning direction, and the control unit controls the light source unit to emit light at different positions on the object by using either n (n: positive integer) light emitting units or n+1 light emitting units selected from among the plurality of light emitting units, according to a positional shift amount of the image in the sub scanning direction.

    Abstract translation: 一种光学扫描器,包括配置成发光的光源单元; 光学系统,被配置为使从所述光源单元发射的光扫描物体以在所述物体上形成图像; 以及控制单元,被配置为控制所述光源单元。 光源单元包括沿副扫描方向布置的多个发光单元,并且控制单元通过使用n(n:正整数)发光单元或者n(n:正整数)发光单元来控制光源单元在物体上的不同位置发光 根据副扫描方向上的图像的位置偏移量,从多个发光单元中选择n + 1个发光单元。

    Scanning system
    38.
    发明授权
    Scanning system 有权
    扫描系统

    公开(公告)号:US07061514B2

    公开(公告)日:2006-06-13

    申请号:US10769644

    申请日:2004-01-30

    Abstract: According to one embodiment, a scanning system includes a first light source configured to emit a first light beam, a second light source configured to emit a second light beam, a first sensor configured to detect a position of at least one of the first and the second light beams with respect to a photoconductor, a second sensor configured to provide positional information of a transfer system, and a control system coupled with the first sensor and the second sensor and configured to select one of the first light source and the second light source to form a first scan line of a latent image on the photoconductor responsive to output of the first sensor and the second sensor.

    Abstract translation: 根据一个实施例,扫描系统包括被配置为发射第一光束的第一光源,被配置为发射第二光束的第二光源,被配置为检测第一和第二光束中的至少一个的位置的第一传感器, 相对于光电导体的第二光束,被配置为提供传送系统的位置信息的第二传感器,以及与第一传感器和第二传感器耦合的控制系统,并且被配置为选择第一光源和第二光源 以响应于第一传感器和第二传感器的输出而在感光体上形成潜像的第一扫描线。

    Scanning system
    39.
    发明申请
    Scanning system 有权
    扫描系统

    公开(公告)号:US20050168559A1

    公开(公告)日:2005-08-04

    申请号:US10769644

    申请日:2004-01-30

    Abstract: According to one embodiment, a scanning system includes a first light source configured to emit a first light beam, a second light source configured to emit a second light beam, a first sensor configured to detect a position of at least one of the first and the second light beams with respect to a photoconductor, a second sensor configured to provide positional information of a transfer system, and a control system coupled with the first sensor and the second sensor and configured to select one of the first light source and the second light source to form a first scan line of a latent image on the photoconductor responsive to output of the first sensor and the second sensor.

    Abstract translation: 根据一个实施例,扫描系统包括被配置为发射第一光束的第一光源,被配置为发射第二光束的第二光源,被配置为检测第一和第二光束中的至少一个的位置的第一传感器, 相对于光电导体的第二光束,被配置为提供传送系统的位置信息的第二传感器,以及与第一传感器和第二传感器耦合的控制系统,并且被配置为选择第一光源和第二光源 以响应于第一传感器和第二传感器的输出而在感光体上形成潜像的第一扫描线。

    Multibeam scanning optical apparatus and color image-forming apparatus
    40.
    发明授权
    Multibeam scanning optical apparatus and color image-forming apparatus 有权
    多光束扫描光学装置和彩色图像形成装置

    公开(公告)号:US06822666B2

    公开(公告)日:2004-11-23

    申请号:US09522294

    申请日:2000-03-09

    Applicant: Manabu Kato

    Inventor: Manabu Kato

    Abstract: A multibeam scanning optical apparatus having a light source, an optical deflector, a scanning optical system, a detection optical element, and a photodetector. A plurality of light beams modulated in accordance with information signals are emitted from the light source and lead to the optical deflector. The light beams deflected by the optical deflector are then focussed on a surface to be scanned, typically a photosensitive drum, by way of the scanning optical system having an f&thgr; characteristic. Part of the deflected light beams are lead to the photodetector by a way of the detection optical system in order to control the timing of the start of scanning so that the centers of the scanning areas of the plurality of light beams agree with each other on the surface to be scanned.

    Abstract translation: 具有光源,光偏转器,扫描光学系统,检测光学元件和光电检测器的多光束扫描光学装置。 根据信息信号调制的多个光束从光源发射并导向光偏转器。 然后由光学偏转器偏转的光束通过具有特征的扫描光学系统聚焦在要扫描的表面,通常是感光鼓上。 偏转光束的一部分通过检测光学系统的方式通过光电检测器,以便控制扫描开始的定时,使得多个光束的扫描区域的中心在 待扫描的表面。

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