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    • 3. 发明申请
    • PRINTER
    • 打印机
    • WO02014070A1
    • 2002-02-21
    • PCT/JP2001/006762
    • 2001-08-06
    • H04N1/047H04N1/06H04N1/113H04N1/12B41C1/10
    • H04N1/0473B41P2227/70H04N1/047H04N1/06H04N1/1135H04N1/12H04N2201/0471H04N2201/0472H04N2201/04732H04N2201/04744H04N2201/04756H04N2201/04786H04N2201/04793
    • A printer has an imaging part for reading an image on printer paper. The image data captured is processed by a control part. The positions of register marks (R1-R4)are determined by calculation. The position shift necessary to position the image is calculated. From the calculated position shift, an offset count Co for determining an image recording start position is determined. The determined offset count Co is stored and start position data is generated. Then, image dimension correction data is calculated. An image on the printer paper is captured, and the necessary position shift is calculated. To alter the rotational speed of the plate cylinder, a speed coefficient k is calculated. Accordingly, the correction value by a predetermined Cd default count predetermined to determine the image recording start positions changed. As a result, the offset count Co is again calculated on the basis of the calculated speed coefficient k. The calculated speed coefficient k and offset count Co are stored, and the start position data is generated from both values.
    • 打印机具有用于在打印机纸上读取图像的成像部件。 捕获的图像数据由控制部分处理。 对准标记(R1-R4)的位置由计算确定。 计算定位图像所需的位置偏移。 从计算出的位置偏移中,确定用于确定图像记录开始位置的偏移计数Co。 存储所确定的偏移计数Co并生成起始位置数据。 然后,计算图像尺寸校正数据。 拍摄打印机纸上的图像,并计算必要的位置偏移。 为了改变印版滚筒的旋转速度,计算速度系数k。 因此,预先确定了确定图像记录开始位置的预定Cd默认计数的校正值被改变。 结果,基于计算的速度系数k再次计算偏移计数Co。 存储计算出的速度系数k和偏移计数Co,并且从两个值生成开始位置数据。
    • 4. 发明申请
    • SYSTEM AND METHOD FOR CONTROL OF LASER SCANNERS IN AN IMAGING SYSTEM
    • 用于在成像系统中控制激光扫描仪的系统和方法
    • WO98056164A1
    • 1998-12-10
    • PCT/US1998/011212
    • 1998-06-01
    • G02B26/10H04N1/053H04N1/113H04N1/12H04N1/23H04N1/50H04N1/60
    • H04N1/053H04N1/1135H04N1/12H04N1/506H04N2201/02443H04N2201/0471H04N2201/04712H04N2201/04734H04N2201/04744H04N2201/04746H04N2201/04768H04N2201/04793H04N2201/04798
    • A scanner module for use in an imaging system includes a laser scanner operable under control of the imaging system for scanning a laser spot along a scan line to write a plurality of pixels along the scan line. The scanner further includes a scanner module memory including pixel placement correction data downloadable to the imaging system for use in controlling the placement of pixels along the scan line. The scanner module memory may further include output power correction data downloadable to the imaging system for use in controlling the output power of the laser scanner in the generation of the plurality of pixels along the scan line. Imaging systems use the correction data stored in the one or more replaceable scanner modules for use in controlling the placement of pixels along the scan line and/or for use in controlling output pwer of the laser scanner. Systems and methods for generating the correction data for the laser scanner modules are also described. Scan correction data can be used to reduce differences in the scan profiles of multiple scanners, such that the multiple scanners produce substantially the same scan profile. In this manner, color planes formed using multiple scanners can be placed in substantial registration with one another, thereby alleviating the visual effects of scan profile differences from scanner-to-scanner.
    • 用于成像系统的扫描器模块包括可在成像系统的控制下操作的激光扫描器,用于沿着扫描线扫描激光点,以沿扫描线写入多个像素。 扫描仪还包括扫描器模块存储器,其包括可下载到成像系统的像素布置校正数据,用于控制沿着扫描线的像素的放置。 扫描器模块存储器还可以包括可下载到成像系统的输出功率校正数据,用于在扫描线上生成多个像素时控制激光扫描仪的输出功率。 成像系统使用存储在一个或多个可替换扫描器模块中的校正数据用于控制沿着扫描线的像素的放置和/或用于控制激光扫描器的输出端。 还描述了用于产生激光扫描器模块的校正数据的系统和方法。 可以使用扫描校正数据来减少多个扫描仪的扫描轮廓的差异,使得多个扫描仪产生基本上相同的扫描轮廓。 以这种方式,可以将使用多个扫描仪形成的彩色平面彼此基本配准,从而减轻扫描仪与扫描仪之间的扫描轮廓差异的视觉效果。
    • 5. 发明申请
    • LIGHT BEAM IMAGE RECORDING AND INPUT APPARATUS AND METHOD
    • 光束图像记录和输入装置和方法
    • WO1994020301A1
    • 1994-09-15
    • PCT/US1994002890
    • 1994-03-10
    • PEASE, Richard, W.JOHNSON, Redge
    • B41J02/47
    • H04N1/0426G02B6/08G02B26/123H04N1/0402H04N1/047H04N1/113H04N2201/02439H04N2201/04787H04N2201/04793H04N2201/04794
    • Image input and recording apparatus are disclosed which have a resolution capability of conventional photographic film recorders and which accommodate color image generation by simultaneously or separately scanning beams (102, 104, 202) differing in color and black and white image generation by scanning one beam. A glass plate (38) made of fibers (181) in combination with a lens (34) and a spotsize selector (54) including glass plates (60, 62) set at opposing angles (64) maintains constant beam spot size. Apparatus orthogonality errors uncorrected by optical elements, non-linearities, and beam power drift are corrected using electronics including look-up tables (U4, U6, U9, U10) and a digital frequency synthesizer (U8). Software accepts data in standard formats or formats specifically for the apparatus and preforms image data processing. The input apparatus includes photodetectors (108, 112, 116) opposite the plate (38) from beam sources (100, 200). A method for converting image focus locus shape is also disclosed.
    • 公开了具有常规摄影胶片记录器的分辨率能力的图像输入和记录装置,并且通过扫描一个光束同时或单独地扫描不同颜色和黑白图像的光束(102,104,202)来适应彩色图像生成。 与透镜(34)组合的纤维(181)和包括以相对角度(64)设置的玻璃板(60,62)的斑点选择器(54)制成的玻璃板(38)保持恒定的光斑尺寸。 使用包括查找表(U4,U6,U9,U10)和数字频率合成器(U8)的电子装置校正由光学元件未非校正的装置正交性误差,非线性和波束功率漂移。 软件接受专门用于设备和预制图像数据处理的标准格式或格式的数据。 输入设备包括与光束源(100,200)相对的光电检测器(108,112,116)。 还公开了一种用于转换图像焦点轨迹形状的方法。
    • 6. 发明申请
    • METHOD AND DEVICE FOR MEASURING LINEARITY
    • 方法和装置线性测量
    • WO00067088A1
    • 2000-11-09
    • PCT/DE2000/001134
    • 2000-04-12
    • G03B27/50H04N1/04H04N1/047G05D3/00G01B5/14G05B19/41G01D9/42
    • H04N1/047H04N2201/0471H04N2201/04724H04N2201/04727H04N2201/04734H04N2201/04793
    • The invention relates to a method and a device for measuring the linearity of a reproduction device that comprises a work carriage (10). Said work carriage carries a scanning or recording device and can be displaced in discrete steps along a linear trajectory. The work carriage is displaced by successive partial trajectories that are each substantially longer than the trajectory that corresponds to one step but substantially shorter than the entire trajectory and that have each a precisely defined length (L) that is determined by means of an additional carriage (20) that can be displaced in the same direction as the work carriage. The number of steps required for every partial trajectory is counted and the deviations between the values for the trajectory of the work carriage, which are the result of the partial trajectories, and the values for the trajectory of the work carriage, which are the result of the steps counted, are calculated. The invention provides a simple and cost-effective means for measuring linearity using already available measured increments of the machine.
    • 本发明涉及一种方法和一种在包括支撑扫描或记录装置的滑架的工作(10),并且在沿直线路径离散增量穿越的再现装置来测量线性度的装置。 工作架依次被部分移动时,每个比相应的步骤横移更长的时间,比整个路径短得多,并且每个具有精确限定的长度(L),其与另外的滑架的帮助下确定(20) 是在相同的方向上工作的台架可移动。 该对的步骤每个腿数需要进行计数,并且存在用于其产生的部分路径的基础上,工作滑架的横向路径和值用于工作滑架的横向路径,从步骤中计算出的计数,所述计数结果值之间的差异, , 本发明使得它利用机器Messinkremente内部存在的简单且低成本的线性度测量。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR MINIMIZING VISUAL ARTIFACTS GENERATED BY AN ELECTROPHOTOGRAPHIC MACHINE DURING IMAGING
    • 用于最小化成像期间电子照相机产生的视觉艺术的方法和装置
    • WO01088626A1
    • 2001-11-22
    • PCT/US2001/015618
    • 2001-05-15
    • B41J2/44G03G15/04G06K15/12H04N1/04H04N1/047H04N1/113H04N1/12H04N1/23G03G15/01H04N1/00
    • H04N1/0473G06K15/1209H04N1/1135H04N1/12H04N2201/04767H04N2201/04787H04N2201/04791H04N2201/04793H04N2201/04796
    • A method and apparatus provides for minimizing visual artifacts resulting from laser scan process direction position errors in an electrophotographic machine (10). The electrophotographic machine has defined therein a process direction (46), and includes a photoconductive device (28) having an image forming surface (28a). A printhead unit (12) is provided for generating a laser beam (38), wherein the printhead unit includes optics for scanning the laser beam to form a plurality of scan lines (72, 74, 76, 78, 80) extending across the photoconductive device in a scan direction (81) which traverses the process direction. Adjacent scan lines of the plurality of scan lines are separated by a scan line separation distance. A controller (64) is electrically coupled to the printhead unit for controlling the power of the laser beam during scanning of an adjacent pair of scan lines to form a synthesized dot (82) which lies at a synthesized position between the adjacent pair of scan lines.
    • 一种方法和装置提供了使电子照相机(10)中的激光扫描过程方向位置误差产生的视觉伪像最小化。 电子照相机在其中限定了处理方向(46),并且包括具有图像形成表面(28a)的光电导装置(28)。 提供了一种用于产生激光束(38)的打印头单元(12),其中打印头单元包括用于扫描激光束以形成跨越光电导体的多条扫描线(72,74,76,78,80)的光学器件 装置沿扫描方向(81)移动。 多条扫描线的相邻扫描线被扫描线分离距离分开。 控制器(64)电耦合到打印头单元,用于在相邻的一对扫描线的扫描期间控制激光束的功率,以形成位于相邻扫描线对之间的合成位置的合成点(82) 。