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    • 1. 发明授权
    • Method and system for printhead alignment to compensate for dimensional changes in a media web in an inkjet printer
    • 用于打印头对准的方法和系统,以补偿喷墨打印机中的介质网中的尺寸变化
    • US08292398B2
    • 2012-10-23
    • US12780645
    • 2010-05-14
    • Howard A. MizesR. Enrique ViturroDavid A. MantellJeffrey J. Folkins
    • Howard A. MizesR. Enrique ViturroDavid A. MantellJeffrey J. Folkins
    • B41J29/393
    • B41J2/2132B41J2/17593B41J2/2146B41J29/393
    • A method enables a controller to align printheads in a printer. The method includes identifying a first cross-process position for each printhead in a plurality of printheads in a printer with reference to image data of a test pattern printed by the plurality of printheads on a media substrate, identifying a second cross-process position for each printhead in the plurality of printheads, calculating a printhead cross-process position error between the identified first cross-process position and the identified second cross-process position for each printhead, comparing a maximum printhead cross-process position error to a predetermined threshold, and operating a plurality of actuators with reference to the calculated printhead cross-process position errors to reposition the printheads in the plurality of printheads in response to the maximum printhead cross-process position error being equal to or less than the predetermined threshold.
    • 一种方法使控制器可以将打印头对准打印机。 该方法包括:参照由介质基板上的多个打印头印刷的测试图案的图像数据,识别打印机中多个打印头中的每个打印头的第一交叉处理位置,识别每个打印头的第二交叉处理位置 打印头在多个打印头中计算每个打印头的识别的第一交叉处理位置和所识别的第二交叉处理位置之间的打印头交叉过程位置误差,将最大打印头交叉过程位置误差与预定阈值进行比较,以及 响应于最大打印头交叉处理位置误差等于或小于预定阈值,参考所计算的打印头交叉处理位置误差来操作多个致动器,以重新定位多个打印头中的打印头。
    • 2. 发明授权
    • Method for achieving uniform media temperature and size throughout the pre-heat zone
    • 在整个预热区域内实现均匀的介质温度和尺寸的方法
    • US08162469B2
    • 2012-04-24
    • US12561413
    • 2009-09-17
    • Jennifer Joyce ReaJason Matthew LeFevreRoger G. LeightonDavid A. Mantell
    • Jennifer Joyce ReaJason Matthew LeFevreRoger G. LeightonDavid A. Mantell
    • B41J2/01
    • B41J2/155B41J11/002
    • An imaging device includes a source of a substantially continuous web of media, and a web transport system configured to transport the continuous web from the source along a web path having a print zone. At least one printhead arranged along the web path in the print zone and configured to deposit ink onto the web to form images. A preheating system is positioned along the web path between the source and the print zone. The preheating system includes a first heating stage and a second heating stage. The first heating stage has at least one heater configured to heat the web to an initial preheat temperature prior to reaching the second stage. The second stage includes at least one heater configured to reduce a temperature of the web from the initial preheat temperature to a target temperature for the preheating system.
    • 成像设备包括基本上连续的介质幅材源,以及纸张传送系统,其被配置为沿着具有打印区域的卷筒纸路径从所述源传送所述连续卷材。 至少一个打印头沿打印区域中的纸幅路径布置并且被配置为将油墨沉积到纸幅上以形成图像。 预热系统沿着源和打印区之间的纸幅路径定位。 预热系统包括第一加热阶段和第二加热阶段。 第一加热台具有至少一个加热器,其构造成在达到第二阶段之前将幅材加热到初始预热温度。 第二阶段包括至少一个加热器,该加热器被配置为将卷材的温度从初始预热温度降低到预热系统的目标温度。
    • 3. 发明申请
    • Method And System For Printhead Alignment To Compensate For Dimensional Changes In A Media Web In An Inkjet Printer
    • 用于打印头对准的方法和系统以补偿喷墨打印机中的介质网中的尺寸变化
    • US20110279513A1
    • 2011-11-17
    • US12780645
    • 2010-05-14
    • Howard A. MizesR. Enrique ViturroDavid A. MantellJeffrey J. Folkins
    • Howard A. MizesR. Enrique ViturroDavid A. MantellJeffrey J. Folkins
    • B41J29/393
    • B41J2/2132B41J2/17593B41J2/2146B41J29/393
    • A method enables a controller to align printheads in a printer. The method includes identifying a first cross-process position for each printhead in a plurality of printheads in a printer with reference to image data of a test pattern printed by the plurality of printheads on a media substrate, identifying a second cross-process position for each printhead in the plurality of printheads, calculating a printhead cross-process position error between the identified first cross-process position and the identified second cross-process position for each printhead, comparing a maximum printhead cross-process position error to a predetermined threshold, and operating a plurality of actuators with reference to the calculated printhead cross-process position errors to reposition the printheads in the plurality of printheads in response to the maximum printhead cross-process position error being equal to or less than the predetermined threshold.
    • 一种方法使控制器可以将打印头对准打印机。 该方法包括:参考由介质基板上的多个打印头印刷的测试图案的图像数据,识别打印机中的多个打印头中的每个打印头的第一交叉处理位置,识别每个打印头的第二交叉处理位置 打印头在多个打印头中计算每个打印头的识别的第一交叉处理位置和所识别的第二交叉处理位置之间的打印头交叉过程位置误差,将最大打印头交叉过程位置误差与预定阈值进行比较,以及 响应于最大打印头交叉处理位置误差等于或小于预定阈值,参考所计算的打印头交叉处理位置误差来操作多个致动器,以重新定位多个打印头中的打印头。
    • 10. 发明授权
    • Multi-level error diffusion with color image data
    • 多级错误扩散与彩色图像数据
    • US07315398B2
    • 2008-01-01
    • US10741575
    • 2003-12-19
    • David A. Mantell
    • David A. Mantell
    • H04N1/52H04N1/56H04N1/58
    • H04N1/52H04N1/4052
    • A method for processing color image data to generate multi-level image data with arbitrary output levels and arbitrary level spacing. The method identifies a gray level spacing for each of a first and second color separation pixels and scales the gray level for each of the first and color separation pixels scaled to a common level spacing in relation to their corresponding gray level spacing. The scaled gray levels are then be thresholded to one of the two multi-level output values corresponding to the bounds of the gray level spacing.
    • 一种用于处理彩色图像数据以产生具有任意输出电平和任意级别间隔的多级图像数据的方法。 该方法识别第一和第二颜色分离像素中的每一个的灰度级间隔,并且对于相对于它们对应的灰度级间隔而缩放到公共级别间隔的第一和第二颜色分离像素中的每一个,对灰度级进行缩放。 然后将缩放的灰度级别阈值化为对应于灰度级间隔的边界的两个多级输出值之一。