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    • 3. 发明申请
    • Apparatus to control color registration and image density
    • 用于控制颜色配准和图像浓度的设备
    • US20100028058A1
    • 2010-02-04
    • US12588214
    • 2009-10-07
    • Yoon-seop Eom
    • Yoon-seop Eom
    • G03G15/01
    • H04N1/506G03G15/0189G03G15/0194G03G2215/0161H04N1/12H04N2201/0471H04N2201/04722H04N2201/04729H04N2201/04731H04N2201/04732H04N2201/04749H04N2201/04758
    • An apparatus to control color registration and image density and a method of calculating a color registration error. The apparatus includes registration marks formed on a transfer belt such that each of the registration marks includes a scan direction component and a slanting direction component at an angle with respect to both the scan direction and the cross-scan direction. The apparatus further includes image density marks formed on the transfer belt, having predetermined image densities, and a registration and image density sensor provided above the registration marks and the image density marks to radiate beams onto the registration marks and the image density marks. The sensor receives beams reflected from the registration marks and the image density marks to produce detection signals, and obtains registration information and image density information from the detection signals. Accordingly, X-offset, Y-offset, printing width error, and skew can be simultaneously compensated for using a single apparatus.
    • 用于控制颜色配准和图像浓度的装置以及计算颜色配准误差的方法。 该装置包括形成在转印带上的对准标记,使得每个对准标记包括相对于扫描方向和横扫描方向成一角度的扫描方向分量和倾斜方向分量。 该装置还包括形成在转印带上的具有预定图像浓度的图像浓度标记,以及设置在对准标记和图像浓度标记之上的配准和图像浓度传感器,以将光束照射到对准标记和图像浓度标记上。 传感器接收从对准标记反映的光束和图像浓度标记,以产生检测信号,并从检测信号中获得注册信息和图像浓度信息。 因此,可以使用单个装置同时补偿X偏移,Y偏移,印刷宽度误差和偏斜。
    • 4. 发明授权
    • Printer
    • 打印机
    • US07559617B2
    • 2009-07-14
    • US11903128
    • 2007-09-20
    • Yoshikazu Koike
    • Yoshikazu Koike
    • B41J29/38G03G15/00
    • H04N1/047B41J3/28B41J3/543B41J11/007B41J11/008B41J29/38H04N1/12H04N1/193H04N1/506H04N2201/02439H04N2201/0315H04N2201/0471H04N2201/0472H04N2201/04729H04N2201/04731H04N2201/04732H04N2201/04734H04N2201/04741H04N2201/04758H04N2201/04789H04N2201/04794
    • 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, 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 detector has a stop stopping detection of the time-series data when the absolute change value of a physical value influencing meandering is a predetermined value or less.
    • 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,替换部分以与特定因子的基准时间序列数据的特定因子对应的时间取代因子,并且时间序列数据检测器具有停止检测时间序列数据的时间序列数据, 影响曲折的物理值的绝对变化值为规定值以下。
    • 7. 发明授权
    • Apparatus spot position control in an output device employing a linear
array of light sources
    • 在使用光源的线性阵列的输出装置中进行设备点位置控制
    • US5574491A
    • 1996-11-12
    • US195600
    • 1994-02-14
    • Thomas L. Paoli
    • Thomas L. Paoli
    • B41J2/44G01B11/00G02B26/10G05D3/12H04N1/047H04N1/113H04N1/12B41J2/435
    • H04N1/0473H04N1/1135H04N1/12H04N2201/0471H04N2201/04758
    • In a method and apparatus for raster scanning optical output device, such as a laser printer or the like, an array of independently addressable light emitting devices, such as an array of solid state lasers, is used to control spot position on an image plane in the slow scan direction. The array is disposed such that the spots emitted from each element of the array impinge the image plane displaced in the slow scan direction from one another. The total distance between all the spots is less than the distance between fast scan direction scan lines. Only a single element of the array is operated per scan line, thus only a single spot is formed on the image plane per scan line. Control of which of the elements of the array emits a light beam per scan line allows control of the spot position in the slow scan direction for that scan line.
    • 在诸如激光打印机等的光栅扫描光输出装置的方法和装置中,使用诸如固态激光器阵列的可独立寻址的发光装置的阵列来控制图像平面上的光点位置 慢扫描方向。 阵列被布置成使得从阵列的每个元件发射的光斑撞击在慢扫描方向上彼此移位的图像平面。 所有点之间的总距离小于快速扫描方向扫描线之间的距离。 每个扫描线仅对阵列的单个元件进行操作,因此在每个扫描线上的图像平面上仅形成一个点。 控制每个扫描线阵列中的哪个元件发射光束,可以控制该扫描线在慢扫描方向上的光点位置。
    • 8. 发明授权
    • Wobble and bow correction by dual spot pixel intensity proportioning
    • 通过双点像素强度比例摆动和弯曲校正
    • US5517328A
    • 1996-05-14
    • US389447
    • 1995-02-16
    • James M. Wilson
    • James M. Wilson
    • G02B26/10G06K15/12H04N1/047H04N1/113H04N1/12H04N1/191H04N1/40
    • H04N1/0473G06K15/1219H04N1/1135H04N1/12H04N1/1911H04N2201/0471H04N2201/04758
    • A raster scanning system is disclosed which utilizes a laser light source with a plurality of diodes, at least two of which are offset relative to each other. Either one diode or two offset diodes will be selected to scan one scan line. If two offset diodes are selected, two light beams can be generated to scan two partially overlapping paths to form a scan line. By changing the intensity of the two light beams or by selecting two different offset diodes, the scan line can be moved up or down in the sagittal plane. This concept can be used to correct the wobble of a scan line in which case, either one diode or two offset diodes will be selected to scan one scan line in its correct position. Also, the same concept can be used to correct a bow of a scan line in which case, either one diode or two offset diodes will be selected for each pixel to correct the bow in accordance with a pre-defined correction data for that pixel which is stored in a memory.
    • 公开了一种光栅扫描系统,其利用具有多个二极管的激光光源,其中至少两个二极管相对于彼此偏移。 将选择一个二极管或两个偏移二极管扫描一条扫描线。 如果选择两个偏移二极管,则可以产生两个光束以扫描两个部分重叠的路径以形成扫描线。 通过改变两个光束的强度或通过选择两个不同的偏移二极管,扫描线可以在矢状平面上上下移动。 该概念可用于校正扫描线的摆动,在这种情况下,将选择一个二极管或两个偏移二极管来扫描其正确位置的一条扫描线。 此外,可以使用相同的概念来校正扫描线的弓,在这种情况下,将为每个像素选择一个二极管或两个偏移二极管,以根据该像素的预定义校正数据来校正弓形 存储在存储器中。