公开(公告)号：US08833254B2

公开(公告)日：2014-09-16

申请号：US13548127

申请日：2012-07-12

申请人： Janos Veres ,  David K. Biegelsen ,  Chu-heng Liu

发明人： Janos Veres ,  David K. Biegelsen ,  Chu-heng Liu

IPC分类号： B41F16/00 ,  G03G5/00 ,  G03G15/10

CPC分类号： G03G13/283 ,  B41C1/1058 ,  B41M1/06

摘要： A system comprises an electrophotographic subsystem, a transfer subsystem, an imaging member, and an inking subsystem. The electrophotographic subsystem comprises a photoreceptor, a charging subsystem, an exposure subsystem, and a development subsystem. In operation, the photoreceptor is charged areawise. An exposure pattern is formed by the exposure subsystem on the surface of the charged photoreceptor to thereby write a latent charge image onto the photoreceptor surface. The image is developed with an image defining material, such as a dampening fluid. The image defining material forms a negative pattern of the image to be printed. This negative image is then transferred to the reimageable surface. The negative image is then developed with ink. The inked image may be transferred to a substrate.

摘要翻译： 系统包括电子照相子系统，传输子系统，成像构件和着墨子系统。 电子照相子系统包括感光体，充电子系统，曝光子系统和开发子系统。 在操作中，感光体面积充电。 通过曝光子系统在带电感光体的表面上形成曝光图案，从而将潜像写入感光体表面。 图像用图像限定材料（例如润版液）显影。 图像定义材料形成要打印的图像的负图案。 然后将该负图像转移到可再成像的表面。 然后用墨水显影负像。 着墨的图像可以被转印到基底上。

公开(公告)号：US20100109682A1

公开(公告)日：2010-05-06

申请号：US12266125

申请日：2008-11-06

申请人： Chu-heng Liu ,  William H. Wayman

发明人： Chu-heng Liu ,  William H. Wayman

IPC分类号： G01R27/26 ,  G03G15/00

CPC分类号： G03G15/6591 ,  G03G2215/00751

摘要： A substrate characterization device is provided which includes a sensor module and a processor. The sensor module has at least one contact surface configured to contact the substrate, the sensor module configured to measure a variance of capacitance in at least two dimensions of the substrate, the sensor module further configured to generate a signal indicative of the measured variance. The processor is in operative communication with a memory module and configured to execute a series of programmable instructions for making a comparison of the signal generated by the sensor module with at least one reference signal. The processor is further configured to generate at least one characterization signal based on the comparison.

摘要翻译： 提供了一种衬底表征装置，其包括传感器模块和处理器。 所述传感器模块具有被配置为接触所述衬底的至少一个接触表面，所述传感器模块被配置成测量所述衬底的至少两个维度中的电容方差，所述传感器模块还被配置为产生指示所测量的方差的信号。 处理器与存储器模块进行操作通信，并被配置为执行一系列可编程指令，用于将由传感器模块产生的信号与至少一个参考信号进行比较。 处理器还被配置为基于该比较生成至少一个表征信号。

公开(公告)号：US07667875B2

公开(公告)日：2010-02-23

申请号：US11450539

申请日：2006-06-09

申请人： Chu-heng Liu

发明人： Chu-heng Liu

IPC分类号： H04N1/405

CPC分类号： H04N1/4055

摘要： An image processing method for adding noise-like texture to the print through the manipulation of halftone screens. The method injects noise into halftone thresholds arrays rather than directly into the image. The method operates by creating a halftone threshold array of suitable size to support the desired noise characteristics. A textured pattern of a corresponding size is created having the desired noise characteristics and boundary transitions. The texture pattern is applied to the halftone threshold array by an amount determined by a noise amplitude control curve. The incoming contone image is then processed with the modified halftone screen.

摘要翻译： 一种图像处理方法，用于通过半色调屏幕的操作将噪声状纹理加到打印件上。 该方法将噪声注入半色调阈值阵列，而不是直接映射到图像中。 该方法通过创建适当尺寸的半色调阈值阵列来运行，以支持期望的噪声特性。 产生具有所需噪声特性和边界转换的对应尺寸的纹理图案。 纹理图案通过由噪声幅度控制曲线确定的量施加到半色调阈值阵列。 然后使用修改的半色调屏幕处理进入的连续色调图像。

公开(公告)号：US20070285727A1

公开(公告)日：2007-12-13

申请号：US11450539

申请日：2006-06-09

申请人： Chu-heng Liu

发明人： Chu-heng Liu

IPC分类号： G06F15/00

CPC分类号： H04N1/4055

摘要： An image processing method for adding noise-like texture to the print through the manipulation of halftone screens. The method injects noise into halftone thresholds arrays rather than directly into the image. The method operates by creating a halftone threshold array of suitable size to support the desired noise characteristics. A textured pattern of a corresponding size is created having the desired noise characteristics and boundary transitions. The texture pattern is applied to the halftone threshold array by an amount determined by a noise amplitude control curve. The incoming contone image is then processed with the modified halftone screen.

摘要翻译： 一种图像处理方法，用于通过半色调屏幕的操作将噪声状纹理加到打印件上。 该方法将噪声注入半色调阈值阵列，而不是直接映射到图像中。 该方法通过创建适当尺寸的半色调阈值阵列来运行，以支持期望的噪声特性。 产生具有所需噪声特性和边界转换的对应尺寸的纹理图案。 纹理图案通过由噪声幅度控制曲线确定的量施加到半色调阈值阵列。 然后使用修改的半色调屏幕处理进入的连续色调图像。

公开(公告)号：US07193751B2

公开(公告)日：2007-03-20

申请号：US10319054

申请日：2002-12-12

申请人： Shen-ge Wang ,  Beilei Xu ,  Chu-heng Liu

发明人： Shen-ge Wang ,  Beilei Xu ,  Chu-heng Liu

IPC分类号： H04N1/405 ,  B41M3/10

CPC分类号： H04N1/00883 ,  G03G21/043 ,  H04N1/405

摘要： The present invention relates to the manipulation of differential gloss as may be inherent in halftoned images by utilization of tags. By selectively applying halftones with anisotropic structure characteristics, which are significantly different in orientation while remaining identical in density, as directed by tag settings, a gloss image may be superimposed within an image without the need for special toners or paper. Conventional copier systems will not typically be able to copy such a superimposed gloss image.

摘要翻译： 本发明涉及通过利用标签对半色调图像固有的差异光泽的操作。 通过选择性地应用具有各向异性结构特征的半色调，其在取向上显着不同，同时保持密度相同，如标签设置所指示的，光泽图像可以叠加在图像内，而不需要特殊的调色剂或纸张。 传统的复印机系统通常不能复制这种叠加的光泽图像。

公开(公告)号：US06560436B1

公开(公告)日：2003-05-06

申请号：US10014564

申请日：2001-12-14

申请人： Chu-heng Liu

发明人： Chu-heng Liu

IPC分类号： G03G1516

CPC分类号： G03G15/167 ,  G03G15/161

摘要： Method and apparatus for improved transfer of charged developing material to a substrate in an electrophotographic printing apparatus by applying an oscillatory bias voltage to the charged developing material. The printing apparatus includes a toner transfer system having an intermediate transfer belt and a transfer station having a transfer charging device. The intermediate transfer member is provided with a biasing voltage, generating oscillatory electric fields in the transfer nip. As a result, the portion of the developed image present in the transfer nip is subjected to repeated transfer and back-transfer forces, resulting in fluidization, whereby the developed image is more efficiently transferred.

摘要翻译： 用于通过向带电显影材料施加振荡偏压来改善电荷显影材料向电子照相打印设备中的基底转移的方法和装置。 打印设备包括具有中间转印带和具有转印充电装置的转印站的调色剂转印系统。 中间转印部件设置有偏置电压，在转印辊隙中产生振荡电场。 结果，存在于转印辊隙中的显影图像的部分经受重复的转印和反向转印力，导致流化，从而更有效地转印显影图像。

公开(公告)号：US06349190B1

公开(公告)日：2002-02-19

申请号：US09666040

申请日：2000-09-20

申请人： Chu-heng Liu ,  Weizhong Zhao

发明人： Chu-heng Liu ,  Weizhong Zhao

IPC分类号： G03G1501

CPC分类号： G03G15/0173 ,  G03G15/0121 ,  G03G2215/0177 ,  G03G2217/0058 ,  G03G2217/0066

摘要： A low cost process multicolor image reproduction machine includes a rotatable endless toner image receiving and transfer member for cyclically building up a multicolor image from a plural number of received color separation toner images; a sheet handling system including a back up roller defining a toner image transfer nip against the rotatable endless toner image receiving and transfer member; a rotatable photoreceptor member forming a contact electrostatic printing (CEP) nip with the rotatable endless toner image receiving and transfer member for separating toner image areas from toner background areas of a color separation toner image formed on the photoreceptor member; imaging devices for cyclically forming a plural number of color separation toner images on the photoreceptor member, and a controller for controlling formation of, and build up into a multicolor toner image, of the plural number of color separation images, as well as, transfer of the multicolor toner image onto a copy sheet.

摘要翻译： 低成本处理多色图像再现机包括可旋转的无端调色剂图像接收和转印部件，用于从多个接收的分色调色剂图像循环地构建多色图像; 片材处理系统，包括限定与可旋转的无端调色剂图像接收和传送构件相关的调色剂图像转印间隙的支撑辊; 与可旋转的无端调色剂图像接收和转印部件形成接触静电印刷（CEP）压区的可旋转感光体部件，用于将调色剂图像区域与形成在感光体部件上的分色调色剂图像的调色剂背景区域分离; 用于在感光体构件上循环形成多个分色调色剂图像的成像装置，以及用于控制多色分色图像的形成和累积成多色调色剂图像的控制器，以及转印 将多色调色剂图像复印到复印纸上。

公开(公告)号：US6122471A

公开(公告)日：2000-09-19

申请号：US457456

申请日：1999-12-08

申请人： Chu-heng Liu ,  Weizhong Zhao ,  Paul W. Morehouse, Jr.

发明人： Chu-heng Liu ,  Weizhong Zhao ,  Paul W. Morehouse, Jr.

IPC分类号： G03G15/34 ,  G03G15/10

CPC分类号： G03G15/34

摘要： An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, for imaging and development of an electrostatic latent image representative of the image, and subsequently transfers the developed image to the copy substrate. A toner cake delivery apparatus provides a thin, uniform toner cake layer of high solids content to a suitable receiving member for subsequent pressure contact with the surface of a latent image bearing imaging member such that a developed image is created by separating and selectively transferring portions of the toner cake layer in correspondence with the image and non-image regions of the latent image.

摘要翻译： 一种用于实现图像的静电印刷的成像系统，其中所述成像系统包括至少一个可以以新颖的方式操作在复制基板上的接触式静电印刷引擎，用于对代表图像的静电潜像进行成像和显影， 显影图像到复印底物。 调色剂块输送装置为合适的接收构件提供具有高固体含量的薄均匀的调色剂饼层，用于随后与潜像承载成像构件的表面压力接触，使得显影图像通过分离和选择性地转印部分 调色剂饼层与潜像的图像和非图像区域对应。

公开(公告)号：US6120965A

公开(公告)日：2000-09-19

申请号：US232816

申请日：1999-01-19

申请人： Weizhong Zhao ,  Chu-heng Liu

发明人： Weizhong Zhao ,  Chu-heng Liu

IPC分类号： G03G15/16 ,  G03G13/16

CPC分类号： G03G15/169

摘要： The methods and systems for efficiently transferring images from an image bearing member include placing an overlayer over a toner layer after placing the toner layer over the image bearing member. The overlayer reduces the adhesiveness of the toner layer to the image bearing member and, therefore, promotes efficient transfer to another substrate without applying heat. The overlayer also may have a higher cohesiveness and combine with the toner layer to increase the effective cohesiveness of the toner image to increase the efficiency of the transfer of the toner image. Overlayer materials include, by way of non-limiting example, a clear toner layer or a clear fluid layer.

摘要翻译： 用于从图像承载部件有效地传送图像的方法和系统包括在将调色剂层放置在图像承载部件上之后将覆盖物放置在调色剂层上。 覆盖层降低了调色剂层对图像承载部件的粘合性，因此促进了有效地转移到另一基材而不施加热量。 覆盖层还可以具有更高的粘结性并与调色剂层结合以增加调色剂图像的有效粘结性，以提高调色剂图像转印的效率。 作为非限制性实例，覆层材料包括透明调色剂层或透明流体层。

公开(公告)号：US6009294A

公开(公告)日：1999-12-28

申请号：US232642

申请日：1999-01-19

申请人： Chu-heng Liu ,  Weizhong Zhao

发明人： Chu-heng Liu ,  Weizhong Zhao

IPC分类号： G03G15/01 ,  G03G15/10 ,  G03G15/34

CPC分类号： G03G15/0142 ,  G03G15/0121 ,  G03G15/0194 ,  G03G15/101 ,  G03G15/34 ,  G03G15/0163 ,  G03G2217/0041

摘要： A contact electrostatic printing (CEP) apparatus and method provide custom color capabilities. Custom colors can be provided by combining two or more toner layers of different color. Correction of custom color toner patches can also be performed by combining toner layers. Controllable toner applicators apply toner patches in any desired size, shape or density on a support.

摘要翻译： 接触式静电印刷（CEP）装置和方法提供定制的颜色能力。 可以通过组合两种或更多种不同颜色的调色剂层来提供定制颜色。 也可以通过组合调色剂层来进行定制彩色调色剂色块的校正。 可控式调色剂涂抹器在支撑体上以任何所需的尺寸，形状或密度施加调色剂贴片。