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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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2.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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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：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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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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公开(公告)号：US5633110A
公开(公告)日：1997-05-27
申请号：US554857
申请日：1995-11-07
申请人： Guido Desie , Serge Tavernier
发明人： Guido Desie , Serge Tavernier
CPC分类号： G03G15/346 , G03G9/0819 , G03G9/0821 , G03G9/0827
摘要： A method for direct electrostatic printing (DEP) on an intermediate substrate or on a final substrate is provided, using a device that comprises a back electrode (105), a printhead structure (106) comprising a control electrode in combination with apertures (107), and a toner delivery means (101) presenting a cloud (104) of dry toner particles in the vicinity of said apertures (107), characterised in that(i) the toner particles have as topological criterium that the ratio of the length of the long axis of the projected microscopic image of said particles to the length of the short axis, is between 1.00 and 1.40 and(ii) the toner particles after addition of 0.5% by weight of fumed hydrophobic silica having a specific surface area of 260 m.sup.2 /g show a ratio of apparent density (.rho..sub.app) over real density (.rho..sub.real) ##EQU1##
摘要翻译： 使用包括背电极（105）的装置，包括与孔（107）组合的控制电极的打印头结构（106）的设备，提供在中间基板或最终基板上的直接静电印刷（DEP）的方法， ，以及在所述孔（107）附近呈现干燥调色剂颗粒云（104）的调色剂输送装置（101），其特征在于（i）调色剂颗粒具有如下拓扑标准： 所述颗粒的投影显微图像长轴的长轴在1.00和1.40之间，和（ii）调色剂颗粒在加入0.5重量％比表面积为260平方米/平方米的热解疏水二氧化硅后， g显示表观密度（rho app）与实际密度（rho real）的比值
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7.发明授权公开(公告)号：US06174047B1
公开(公告)日：2001-01-16
申请号：US08929065
申请日：1997-09-15
申请人： Serge Tavernier , Luc Van Aken , Leo Vackier , Guido Desie
发明人： Serge Tavernier , Luc Van Aken , Leo Vackier , Guido Desie
IPC分类号： B41J206
CPC分类号： G03G15/32 , G03G2215/00974 , G03G2217/0025
摘要： A method for printing an image on a substrate by image-wise depositing, toner particles on the substrate, is disclosed, comprising: image-wise depositing dry toner particles on the substrate forming a first band-like portion of the image, conditioning the first band-like portion while keeping the substrate at a temperature equal to or lower than 100° C. and further image-wise depositing toner particles on the substrate so as to form at least one other band-like portion of such image, the at least one other band-like portion of the image being adjacent to the first band-like portion. Preferably the method is used for printing substrates with an area equal to or larger than 0.25 m2.
摘要翻译： 公开了一种通过图像沉积在基底上的调色剂颗粒在基底上印刷图像的方法，其包括：在形成图像的第一带状部分的基底上成像地沉积干调色剂颗粒，调理第一 同时将基板保持在等于或低于100℃的温度，并且进一步成像地在基板上沉积调色剂颗粒，以便形成至少一个这样的图像的其他带状部分，至少 图像的另一个带状部分与第一带状部分相邻。 优选地，该方法用于印刷面积等于或大于0.25μm2的衬底。
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8.发明授权Direct electrostatic printing device (Dep) and printhead structure with low current flow between shield and control electrodes 失效直接静电印刷设备（Dep）和打印头结构，在屏蔽和控制电极之间具有低电流流动
公开(公告)号：US5889540A
公开(公告)日：1999-03-30
申请号：US574775
申请日：1995-12-19
申请人： Jacques Leonard , Guido Desie
发明人： Jacques Leonard , Guido Desie
CPC分类号： B41J2/4155
摘要： An apparatus for direct electrostatic printing includes a back electrode and a printhead structure having a plastic insulating layer and printing apertures arranged therein. Individual control electrodes are combined with the printing apertures on a first side of the insulating layer, and a shield electrode is combined with the printing apertures on a second side of the insulating layer. A toner delivery apparatus is also included for delivering a cloud of dry toner particles in the vicinity of the printing apertures. The printing apertures are constructed and arranged such that, when applying a potential difference of 200V between the shield electrode and each individual control electrode, a current of no more that 50 .mu.A flows from each individual control electrode to the corresponding shield electrode through the corresponding printing aperture. Methods for forming the printing apertures in such a printhead are also disclosed.
摘要翻译： 用于直接静电印刷的设备包括背面电极和具有塑料绝缘层和布置在其中的印刷孔的打印头结构。 单独的控制电极与绝缘层的第一侧上的打印孔组合，并且屏蔽电极与绝缘层的第二侧上的打印孔结合。 还包括调色剂输送装置，用于在打印孔附近传送干燥的调色剂颗粒云。 打印孔被构造和布置成使得当在屏蔽电极和每个单独的控制电极之间施加200V的电位差时，不超过50μA的电流通过相应的从各个控制电极流到对应的屏蔽电极 打印孔径。 还公开了在这种打印头中形成打印孔的方法。
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9.发明授权Device for direct electrostatic print (DEP) comprising individual control print and control back electrodes 失效用于直接静电印刷（DEP）的装置，其包括单独的控制打印和控制背电极
公开(公告)号：US06012802A
公开(公告)日：2000-01-11
申请号：US919411
申请日：1997-08-27
申请人： Guido Desie , Jacques Leonard
发明人： Guido Desie , Jacques Leonard
CPC分类号： B41J2/4155 , G03G15/346 , G03G2217/0025
摘要： A device for use in the technique of direct electrostatic printing (DEP) on an intermediate or final substrate is described, comprising a receiving member support 5 having control back electrodes 5b and a common shield back electrode 5a; a printhead structure 6 having control print electrodes 6a in combination with apertures 7 and a common shield print electrode 6b; a toner delivery means 1 presenting a cloud 4 of toner particles in the vicinity of said apertures 7. The control print electrodes 6a in the printhead structure 6 and the control back electrodes 5b in the receiving member support 5 are positioned in a 1 to 1 relationship, and the control electrodes of both the printhead structure 6 and the receiving member support 5 are driven in an imagewise manner by a variable voltage source, in order to get a specific toner density on the receiving member substrate 9.
摘要翻译： 描述了用于中间或最终基板上的直接静电印刷（DEP）技术的装置，其包括具有控制背电极5b和公共屏蔽背电极5a的接收构件支撑件5; 具有与孔7和公共屏蔽印刷电极6b组合的控制印刷电极6a的打印头结构6; 在所述孔7附近呈现调色剂颗粒云4的调色剂传送装置1.打印头结构6中的控制打印电极6a和接收构件支撑件5中的控制背电极5b以1比1的关系 ，并且通过可变电压源以成像方式驱动打印头结构6和接收构件支撑件5的控制电极，以便在接收构件基板9上获得特定的调色剂浓度。
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10.发明授权Printhead structure having electrodes not extending to the edge of printing apertures 失效具有不延伸到打印孔边缘的电极的打印头结构
公开(公告)号：US6059398A
公开(公告)日：2000-05-09
申请号：US868387
申请日：1997-06-03
申请人： Guido Desie , Jacques Leonard
发明人： Guido Desie , Jacques Leonard
CPC分类号： B41J2/4155
摘要： A printhead structure is provided comprising individual control electrodes (106a) in combination with printing apertures (107) and a shield electrode (106b), both electrodes separated by an insulating material wherein both the shield electrode and the control electrodes have openings and either the shield electrode or each of the control electrodes does not reach as far as the edges of the printing apertures. The linear dimension of the openings in the shield electrode or in each of the control electrodes is at least 1.1 times larger than the longest linear dimension of each of the printing apertures present in the openings. A DEP device using such a printhead structure is also disclosed.
摘要翻译： 提供了一种打印头结构，其包括与打印孔（107）和屏蔽电极（106b）组合的独立控制电极（106a），两个电极由绝缘材料隔开，其中屏蔽电极和控制电极均具有开口，屏蔽 电极或每个控制电极不能达到打印孔的边缘的距离。 屏蔽电极或每个控制电极中的开口的线性尺寸比存在于开口中的每个印刷孔的最长直线尺寸大至少1.1倍。 还公开了使用这种打印头结构的DEP设备。
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