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    • 18. 发明授权
    • Tandem tri-level xerographic apparatus and method for producing highly
registered pictorial color images
    • 串联三级静电复印设备和用于生产高度注册的图形彩色图像的方法
    • US06163672A
    • 2000-12-19
    • US343500
    • 1999-06-30
    • Delmer G. ParkerMichael M. Shahin
    • Delmer G. ParkerMichael M. Shahin
    • G03G15/01H04N1/29
    • G03G15/0184G03G2215/0106
    • Apparatus and method for creating highly registered quality pictorial color images include a first tri-level xerographic module using first and second color marking materials for creating and developing a first tri-level image including custom CAD and custom DAD image areas having different voltage levels respectively to form a first composite color separation image; a transfer station for transferring the first composite color separation image onto an intermediate transfer member; a second tri-level xerographic module using third and fourth color marking materials for similarly creating and developing a second tri-level image including custom CAD and custom DAD image areas having different voltage levels respectively to form a second composite color image; a transfer station for transferring the second composite color separation image, in registration onto the intermediate transfer member; a third tri-level xerographic module using fifth and sixth color marking materials for similarly creating and developing a third tri-level image including custom CAD image areas and custom DAD image areas having different voltage levels respectively to form a third composite color image; wherein pairings of the first and second, third and fourth, and fifth and sixth, color marking materials are selected so that one such pairing is cyan (C) and magenta (M) so as to improve registration of the desired final pictorial image.
    • 用于创建高度注册的质量图形彩色图像的装置和方法包括使用第一和第二颜色标记材料的第一三级静电复印模块,用于创建和开发包括具有不同电压电平的定制CAD和定制DAD图像区域的第一三级图像, 形成第一复合色分离图像; 用于将第一复合分色图像转印到中间转印部件上的转印站; 使用第三和第四颜色标记材料的第二三级静电复印模块,用于分别类似地创建和开发包括具有不同电压电平的定制CAD和定制DAD图像区域的第二三级图像,以形成第二复合彩色图像; 传送站,用于将第二复合色分离图像转印到中间转印部件上; 使用第五和第六颜色标记材料的第三三级静电复印模块,用于分别类似地创建和开发包括定制CAD图像区域和具有不同电压电平的定制DAD图像区域的第三三级图像,以形成第三复合彩色图像; 其中选择第一和第二,第三和第四和第五和第六和第六和第六颜色标记材料的配对,使得一个这样的配对是青色(C)和品红色(M),以便改善期望的最终图形图像的配准。
    • 20. 发明授权
    • Optically switched commutator scheme for hybrid scavengeless segmented
electroded donor rolls
    • 用于混合无切割分段电镀供体辊的光学切换换向器方案
    • US5729807A
    • 1998-03-17
    • US785674
    • 1997-01-21
    • Delmer G. Parker
    • Delmer G. Parker
    • G03G15/08G03G15/06
    • G03G15/0818G03G2215/0651
    • A non-interactive or scavengeless development system for use in color imaging. To control the developability of lines and the degree of interaction between the toner and receiver, an AC voltage is applied between a donor roll and two sets of interdigitated electrodes embedded in the surface of the donor roll to enable efficient detachment of toner from the donor to form a toner cloud. An optical switching arrangement effects an electrical connection between a slip ring and one set of interdigitated electrodes. The optical switch uses photoconductor elements, each having a geometry that results in an optical switching device having a larger capacitance and therefore capable of effecting switching at lower current densities.
    • 用于彩色成像的非交互式或清晰的开发系统。 为了控制管线的显影性和调色剂和接收器之间的相互作用程度,在供体辊和嵌入供体辊表面的两组交错电极之间施加AC电压,以使调色剂能够有效地从供体分离到 形成墨粉云。 光学开关装置实现滑环和一组交叉电极之间的电连接。 光学开关使用光电导体元件,每个都具有导致光开关器件具有较大电容的几何形状,因此能够以较低的电流密度进行切换。