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1.发明授权Device for direct electrostatic printing with a conventional printhead structure and AC-coupling to the control electrodes 失效用于使用常规打印头结构进行直接静电印刷和与控制电极交流耦合的装置
公开(公告)号：US6109731A
公开(公告)日：2000-08-29
申请号：US175259
申请日：1998-10-20
CPC分类号： B41J2/4155 , G03G2217/0025
摘要： A direct electrostatic printing device includes a printhead structure with apertures and control electrodes associated with the apertures for delivering toner from a toner source to a substrate in accordance with image data. A first voltage source is provided to establish a flow of toner particles from the toner source to the substrate. A second voltage source is provided to establish a control voltage between the toner source and the control electrodes to control toner flow in accordance with the image data. The second voltage source provides a first AC field between a toner source and the control electrodes to permit toner flow and a second, diminished, AC field between the toner source and the control electrodes in order to stop the toner flow.
摘要翻译： 直接静电印刷装置包括具有孔的打印头结构和与孔相关联的控制电极，用于根据图像数据将调色剂从调色剂源输送到基板。 提供第一电压源以建立调色剂颗粒从调色剂源到基底的流动。 提供第二电压源以建立调色剂源和控制电极之间的控制电压，以根据图像数据控制调色剂流。 第二电压源在调色剂源和控制电极之间提供第一AC场，以允许调色剂流动，以及调色剂源和控制电极之间的第二，减小的AC场，以便阻止调色剂流动。
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公开(公告)号：US06174095B1
公开(公告)日：2001-01-16
申请号：US09544066
申请日：2000-04-06
IPC分类号： B41J2315
CPC分类号： B41J2/4155 , B41J3/54 , G03G15/346 , G03G15/6594 , G03G2215/00468 , G03G2217/0025
摘要： A single pass printer, having a printing width (PW) is provided or printing a toner image on a substrate, the substrate having a width (WS) and a length (LS), wherein, i) a number n, equal to or larger than 2, of printing engines, each containing a toner transferring element with a longitudinal axis (width (WPE)) smaller than the printing width (PW) are present, and at least two of the n printing engines, each containing a toner transferring element with a longitudinal axis in the direction of width (WPE), are located so that the longitudinal axis do not coincide. Preferably the printing engines are electro(stato)graphic engines, especially Direct Electrostatic Printing (DEP) engines or electrophotographic engines.
摘要翻译： 提供具有打印宽度（PW）的单通打印机或在基板上印刷调色剂图像，所述基板具有宽度（WS）和长度（LS），其中，i）数量n等于或大于 存在大于2的各自包含具有小于打印宽度（PW）的纵轴（宽度（WPE））的调色剂转印元件的打印引擎，并且n个打印引擎中的至少两个包含调色剂转印元件 具有沿宽度方向（WPE）的纵向轴线，使得纵向轴线不重合。 优选地，印刷引擎是电动（stato）图形引擎，特别是直接静电印刷（DEP）引擎或电子照相引擎。
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3.发明授权Printer for large format printing using a direct electrostatic printing (DEP) engine 失效使用直接静电印刷（DEP）引擎进行大幅面打印的打印机
公开(公告)号：US6102523A
公开(公告)日：2000-08-15
申请号：US994093
申请日：1997-12-19
CPC分类号： G03G15/0806 , G03G15/346 , G03G15/6594 , G03G2215/00468 , G03G2215/0648 , G03G2217/0025
摘要： A printer, with printing width (PW), is provided, for printing toner image on a substrate, having a width (WS) and a length (LS), comprising a DEP printing engine, havinga toner delivery means, having a surface whereon charged toner particles are present for providing a flow of the toner particles from that surface to the substrate,a printhead structure with printing apertures and control electrodes, interposed in the flow of toner particles for image-wise controlling that flow, wherein:the toner delivery means comprises a number, n equal to or larger than 2, of toner applicator modules, each having a width, WTD, smaller than the printing width PW, and at least two of the number, n of toner applicator modules are positioned in a staggered configuration with respect to the substrate.Preferably the printing width of the printer is at least 40 cm.
摘要翻译： 提供了具有打印宽度（PW）的打印机，用于在具有宽度（WS）和长度（LS））的基底上打印调色剂图像，其包括具有调色剂输送装置的DEP打印引擎，所述调色剂输送装置具有表面， 存在带电的调色剂颗粒，用于从该表面向基材提供调色剂颗粒的流动，具有印刷孔和打印孔的打印头结构，插入调色剂颗粒流中，用于成像地控制该流量，其中：调色剂输送 装置包括数量等于或大于2的调色剂涂抹器模块，每个调色剂涂布器模块的宽度WTD小于印刷宽度PW，并且调色剂涂布器模块的数量n中的至少两个定位在交错的 配置相对于基板。 优选地，打印机的打印宽度至少为40厘米。
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公开(公告)号：US5956065A
公开(公告)日：1999-09-21
申请号：US994092
申请日：1997-12-19
CPC分类号： G03G15/08 , G03G15/32 , G03G15/6594 , G03G2215/00468
摘要： A printer, with printing width (PW) of at least 30 cm printing a toner image on a large substrate, having a width (WS) and a length (LS), including a latent image bearing member having a width (WLI) equal to or larger than the printing width and at least two means for delivering toner are arranged in a staggered configuration around the latent image bearing member and each having a width (WTD) smaller than the width (WLI) of the latent image bearing member.Preferably the latent image bearing member is a photoconductive member.A printer with a shuttle having a swath width of at least 30 cm is also disclosed.
摘要翻译： 印刷宽度（PW）至少为30厘米的打印机在大型基板上印刷具有宽度（WS）和长度（LS）的调色剂图像，其包括具有宽度（WLI）等于 或大于印刷宽度，并且至少两个用于输送调色剂的装置以交错构型布置在潜像承载部件周围，并且每个具有小于潜像承载部件的宽度（WLI）的宽度（WTD）。 优选地，潜像承载部件是感光部件。 还公开了具有至少30cm的条带宽度的梭子的打印机。
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公开(公告)号：US6074112A
公开(公告)日：2000-06-13
申请号：US994094
申请日：1997-12-19
CPC分类号： G03G15/346 , B41J13/0081 , B41J3/54 , G03G15/6594 , G03G2215/00468 , G03G2217/0025
摘要： A single pass printer, having a printing width (PW) is provided for printing a toner image on a substrate, the substrate having a width (WS) and a length (LS), wherein, i) a number n, equal to or larger than 2, of printing engines, each containing a toner transferring element with a longitudinal axis (width (WPE)) smaller than the printing width (PW) are present, and at least two of the n printing engines, each containing a toner transferring element with a longitudinal axis in the direction of width (WPE), are located so that the longitudinal axis do not coincide. Preferably the printing engines are electro(stato)graphic engines, especially Direct Electrostatic Printing (DEP) engines or electrophotographic engines.
摘要翻译： 提供具有打印宽度（PW）的单通打印机，用于在基板上印刷调色剂图像，所述基板具有宽度（WS）和长度（LS），其中i）数量n等于或大于 存在大于2的各自包含具有小于打印宽度（PW）的纵轴（宽度（WPE））的调色剂转印元件的打印引擎，并且n个打印引擎中的至少两个包含调色剂转印元件 具有沿宽度方向（WPE）的纵向轴线，使得纵向轴线不重合。 优选地，印刷引擎是电动（stato）图形引擎，特别是直接静电印刷（DEP）引擎或电子照相引擎。
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