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1.发明授权Method and means for improving maximum density and tonal range of electrographic images 失效提高电子照相图像最大密度和色调范围的方法和手段
公开(公告)号：US4385823A
公开(公告)日：1983-05-31
申请号：US133077
申请日：1980-03-24
CPC分类号： G03G15/04027
摘要： In a novel electrographic copying method and apparatus, a latent electrostatic image is formed on an insulating layer of an electrophotographic element and, before, during or after the formation of the latent electrostatic image, there is created a plurality of charge islands, such as by an exposure through a screen. These charge islands are distinct and in addition to any charge islands which result from the image-forming step. After establishment of the charge islands and the latent electrostatic image, the resulting charge pattern is developed with a developer which either is at least partially conductive, i.e., has a maximum resistance of about 10.sup.9 ohms, or is rendered so by the phenomenon of electrical breakdown.
摘要翻译： 在一种新颖的电子照相复印方法和装置中，在电子照像元件的绝缘层上形成静电潜像，并且在形成静电潜像之前，期间或之后形成多个电荷岛，例如通过 通过屏幕曝光。 这些电荷岛是不同的，除了由图像形成步骤产生的任何电荷岛外。 在充电岛和静电潜像建立之后，所得到的电荷图案用显影剂显影，显影剂至少部分导电，即具有约109欧姆的最大电阻，或者由于电击穿现象而变得如此 。
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公开(公告)号：US4602863A
公开(公告)日：1986-07-29
申请号：US621351
申请日：1984-06-18
IPC分类号： G03G15/09
CPC分类号： G03G15/09
摘要： Electrographic development is obtained by predeterminedly rotating an alternating pole core of a magnetic brush applicator, within a surrounding applicator shell, to supply developer, of the kind including small particle, hard-magnetic carrier and electrically insulative toner, to an electrostatic imaging member which moves past a development station with predetermined linear velocity. The shell can be stationary or rotate at a velocity significantly less than the image member velocity. The core is predeterminedly rotated so that (i) its fields effect a large portion of transport through the development zone and (ii) the developer moves co-currently with the imaging member and at a linear velocity generally equal to the imaging member velocity.
摘要翻译： 通过在周围的施加器壳体内预定旋转磁刷施加器的交变磁极芯，将包括小颗粒，硬磁性载体和电绝缘色粉的类型的显影剂供应到移动的静电成像构件， 经过具有预定线速度的开发站。 壳体可以是静止的或以显着小于图像构件速度的速度旋转。 芯预定旋转，使得（i）其场影响通过显影区域的大部分传输，和（ii）显影剂与成像构件并行地以与成像构件速度大致相等的线速度移动。
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3.再颁专利Method and means for improving maximum density and tonal range of electrographic images 失效提高电子照相图像最大密度和色调范围的方法和手段
公开(公告)号：USRE32259E
公开(公告)日：1986-10-07
申请号：US695497
申请日：1985-01-28
IPC分类号： G03G15/04
CPC分类号： G03G15/04027
摘要： In a novel electrographic copying method and apparatus, a latent electrostatic image is formed on an insulating layer of an electrophotographic element and, before, during or after the formation of the latent electrostatic image, there is created a plurality of charge islands, such as by an exposure through a screen. These charge islands are distinct and in addition to any charge islands which result from the image-forming step. After establishment of the charge islands and the latent electrostatic image, the resulting charge pattern is developed with a developer which either is at least partially conductive, i.e., has a maximum resistance of about 10.sup.9 ohms, or is rendered so by the phenomenon of electrical breakdown.
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公开(公告)号：US4473029A
公开(公告)日：1984-09-25
申请号：US510109
申请日：1983-07-01
CPC分类号： G03G15/09
摘要： Improved electrographic development is obtained in the presence of a development electrode field by predeterminedly rotating both the core and shell of a magnetic brush applicator to supply developer, of the kind comprising small particle, hard-magnetic carrier and electrically insulative toner, to an electrostatic imaging member which moves past a development station with predetermined linear velocity. In one preferred embodiment the core and shell are predeterminedly rotated so that the shell moves through the development zone at a rate preventing toner that is plated-out on the shell from affecting image development and so that the developer moves co-currently with the imaging member at a generally equal linear velocity.
摘要翻译： 在显影电极场的存在下通过预定地旋转磁刷施加器的芯和壳两者将包括小颗粒，硬磁性载体和电绝缘调色剂的显影剂供应到静电成像的显影剂获得改进的电泳显影 以预定的线速度移动通过开发站的构件。 在一个优选实施例中，芯和壳被预定地旋转，使得壳以防止在外壳上镀出的调色剂影响图像显影的速率移动通过显影区，并且使得显影剂与成像构件同时移动 以大致相等的线速度。
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公开(公告)号：US5281982A
公开(公告)日：1994-01-25
申请号：US787804
申请日：1991-11-04
CPC分类号： G03G15/348 , G03G15/0822 , G03G2215/0187
摘要： Electrostatographic toning with charged toner particles which are transported along a conveyor having an array of repeating sets of electrodes upon which an electrostatic traveling wave pattern is established. The traveling wave pattern causes already charged toner particles to slide and roll along the conveyor to a selection site whereat individual toner particles are either directed toward the receiver or are returned to a developer reservoir. The width of each of the electrodes for the traveling wave grid is comparable to the size of the toner particles such that the particles are transported individually along the conveyor. At the selection site, unwanted particles are deflected from the path to a receiver. The receiver can be placed against a conveyor plate to avoid the divergence and bouncing problems.
摘要翻译： 具有带电调色剂颗粒的静电色调，其沿着具有重复的电极组阵列的输送机输送，在该组电极上建立静电行波模式。 行波图案使得已经充电的调色剂颗粒沿着输送机滑动并滚动到选择位置，在那里单独的调色剂颗粒被指向接收器或返回到显影剂储存器。 用于行波网格的每个电极的宽度与调色剂颗粒的尺寸相当，使得颗粒沿输送机单独输送。 在选择位置，不需要的粒子从路径偏转到接收器。 接收器可以放置在传送板上以避免发散和反弹问题。
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公开(公告)号：US5184194A
公开(公告)日：1993-02-02
申请号：US783488
申请日：1991-10-28
IPC分类号： G03G15/09 , G03G15/095
CPC分类号： G03G15/095 , G03G15/0928
摘要： A scavenging device for recapturing charged carrier particles from a moving image-bearing surface includes a first pickup member and a second pickup member. The first pickup member is mounted adjacent toner and carrier particles on the image-bearing member, and is biased electrically to a polarity relatively opposite to the polarity of the charged carrier particles. The second pickup member is also mounted adjacent toner and carrier particles on the image-bearing member to be effective at a point downstream of the first pickup member. The second member, as such, is electrically grounded for capturing from the image-bearing member wrong sign carrier particles.
摘要翻译： 用于从运动图像承载表面重新获取带电载体颗粒的清除装置包括第一拾取构件和第二拾取构件。 第一拾取构件安装在图像承载构件上的调色剂和载体颗粒附近，并且被电气地偏压到与带电荷的载体颗粒的极性相反相反的极性。 第二拾取构件也安装在图像承载构件上邻近调色剂和载体颗粒以在第一拾取构件的下游点处有效。 因此，第二构件被电接地以用于从图像承载构件错误的符号载体颗粒捕获。
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7.发明授权Water soluble binder overcoat on vesicular element containing N.sub.2 -releasing agent 失效水溶性粘合剂外涂层含有N {HD 2 {B-释放剂
公开(公告)号：US4093463A
公开(公告)日：1978-06-06
申请号：US770969
申请日：1977-02-22
CPC分类号： G03C5/60
摘要： A light-sensitive vesicular imaging element and a method of manufacture are provided, comprising a vesiculating layer which includes a binder and vesiculating agent which liberates gas upon exposure to activating radiation, and an overcoat which contains a polymer soluble in a solvent in which the binder of the vesiculating layer is substantially insoluble. Upon imagewise irradiation of the element, gas bubbles are generated in the exposed areas. The bubbles may be developed to a visible record by overall heating.
摘要翻译： 提供了一种感光囊泡成像元件和制造方法，该泡沫层包括粘合剂和暴露于活化辐射时释放气体的泡沫剂，以及包含可溶于溶剂的聚合物的外涂层，其中粘结剂 的泡沫层基本上是不溶的。 在元件成像照射时，在曝光区域产生气泡。 气泡可通过整体加热而发展成可视记录。
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公开(公告)号：US5001028A
公开(公告)日：1991-03-19
申请号：US386381
申请日：1989-07-28
申请人： Michael Mosehauer , Yee S. Ng , Eric K. Zeise
发明人： Michael Mosehauer , Yee S. Ng , Eric K. Zeise
CPC分类号： G03G13/013 , G03G13/09 , G03G15/234 , G03G2215/0174
摘要： A multicolor reproduction is made by uniformly charging a photoconductive member, imagewise exposing that member to create a first electrostatic image, developing the first electrostatic image with a toner of a first color to create a first toner image, preferably uniformly recharging the photoconductive member, imagewise exposing the charged member creating a second electrostatic image, developing the second electrostatic image by the application of toner of a second color to the exposed areas. The process can be repeated for any number of colors. The multicolor image is then transferred in a single step to a receiving sheet. The second and subsequent development steps are carried out by a magnetic brush developing device employing hard magnetic carrier particles that are tumbled through a development zone which tumbling does not adversely affect the prior toner images. Preferably the hard magnetic carrier particles have a coercivity of at least 100 gauss when magnetically saturated, but more preferably a coercivity of at least 1000 gauss when magnetically saturated.
摘要翻译： 通过均匀地对感光体进行充电，成像曝光该构件以产生第一静电图像，用第一颜色的调色剂显影第一静电图像以产生第一调色剂图像，优选地均匀地对感光体进行再充电，成像 暴露带电构件产生第二静电图像，通过将第二颜色的调色剂施加到曝光区域来显影第二静电图像。 该过程可以重复任意数量的颜色。 然后将多色图像在单个步骤中转移到接收片材。 第二次和随后的显影步骤通过使用硬磁性载体颗粒的磁刷显影装置进行，该磁性载体颗粒通过显影区翻滚，翻转不会对现有调色剂图像产生不利影响。 优选地，当磁饱和时，硬磁性载体颗粒具有至少100高斯的矫顽力，但更优选当磁饱和时矫顽力至少为1000高斯。
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公开(公告)号：US4931835A
公开(公告)日：1990-06-05
申请号：US270586
申请日：1988-11-14
IPC分类号： G03G15/08
CPC分类号： G03G15/0851 , G03G15/0849
摘要： An electrostatographic reproduction machine includes a toner concentration monitor having a resistive element through which electrical current is passed. The resistive element is heated by the electrical current. In a steady state mode, the resistive element transfers heat to its surroundings and attains a steady state temperature dependent upon the heat transfer characteristics of the surroundings. The toner concentration is detected by measuring the power into the resistive element. The heat transfer characteristics are determined by the thermal conductivity and the flow rate of the developer mixture.
摘要翻译： 静电复原机器包括具有通过电流通过的电阻元件的调色剂浓度监测器。 电阻元件被电流加热。 在稳态模式中，电阻元件将热量传递到周围环境，并根据周围环境的传热特性获得稳定的状态。 通过测量电阻元件的功率来检测调色剂浓度。 传热特性由显影剂混合物的热导率和流速决定。
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10.发明授权Apparatus and method for electrophotographically producing copies from originals having continuous-tone and other content 失效从具有连续色调和其他内容的原稿电子照相制作副本的装置和方法
公开(公告)号：US4794421A
公开(公告)日：1988-12-27
申请号：US809550
申请日：1985-12-16
申请人： Michael D. Stoudt , Michael Mosehauer , Eric K. Zeise , Jerome G. Spitzner, deceased , David Q. McDowell , George N. Tsilibes
发明人： Michael D. Stoudt , Michael Mosehauer , Eric K. Zeise , Jerome G. Spitzner, deceased , David Q. McDowell , George N. Tsilibes
IPC分类号： G03B27/62 , G03G13/01 , G03G15/00 , G03G15/01 , G03G15/04 , G03G15/043 , G03G15/045 , G03G15/047 , G03G15/36 , G03G21/00 , G06F3/043
CPC分类号： G03G15/0115 , G03G15/01 , G03G15/04018 , G03G15/045 , G03G15/605
摘要： Apparatus and method for electrophotographically producing high quality reproductions which contain different content types. Photoconductor image sectors are subjected to separate optical exposures selected for (1) good tone-scale reproduction of continuous-tone image portions and (2) high-contrast reproduction of line-type image portions. Photoconductor background area, which border continuous-tone image portions, are discharged to a level below the system's development level. Color line-art from a black and white original is also provided for in a color-copier by exposing a separate original containing a swatch of the color to be reproduced on the same image frames exposed to the image of the line-art. A digitizing tablet is used in combination with a selective erase means to provide selective screening and/or spot color effects. The digitizing tablet may be incorporated to use the exposure platen and may be of the sonic type or other types not employing grid lines visible to the photoconductor.
摘要翻译： 用于电子照相生产包含不同内容类型的高质量复制品的装置和方法。 光电导体图像扇区经受为（1）连续色调图像部分的良好色阶级再现选择的单独的光学曝光和（2）线型图像部分的高对比度再现。 接触连续色调图像部分的感光体背景区域被排出到低于系统开发水平的水平。 通过在暴露于线条图像的相同图像框上暴露包含要再现的颜色样本的单独原件，还可以在彩色复印机中提供来自黑白原色的色彩线条。 数字化平板电脑与选择性擦除装置组合使用以提供选择性筛选和/或专色效果。 数字化图形输入板可以并入以使用曝光压板，并且可以是声波型或不使用光电导体可见的栅格线的其它类型。
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