公开(公告)号：US4318002A

公开(公告)日：1982-03-02

申请号：US70075

申请日：1979-08-27

申请人： Gerald L. Pressman ,  Kenneth W. Gardiner

发明人： Gerald L. Pressman ,  Kenneth W. Gardiner

IPC分类号： G03G15/01 ,  G03G15/05 ,  G03G13/052

CPC分类号： G03G15/0142 ,  G03G15/0147 ,  G03G15/051

摘要： The invention basically comprises systems and methods relating to the field of electrostatics and is concerned with multicolor electrostatic reproduction, printing or constituting on coated and uncoated print receiving media with multilayer apertured elements or screens carrying charge distributions in accordance with selected color separation patterns. Ions accelerated through the apertures of the multilayer element pass therethrough under modulation control dictated by the color separation pattern, thereby forming a modulated ion stream having a cross-sectional density pattern corresponding to the color separation pattern. Electrostatic latent images are formed with modulated ion streams and are developed in various ways. In one embodiment, a modulated ion stream is accelerated by an electrostatic field through a mist of uncharged liquid toner particles which are charged by collision with the ions and then accelerated by the ion accelerated field toward and onto the print receiving medium, which may be ordinary uncoated paper. In another embodiment, the modulated ion pattern is projected onto a dielectric surface in the electrostatic accelerating field to form an undeveloped latent electrostatic color separation image thereupon. The dielectric surface may be a dielectric coating on the print receiving medium itself. In another embodiment, the dielectric surface may be formed on an intermediate transfer drum and the print receiving medium laid over the image on the drum and the image transferred and fixed to the print receiving medium with heat and pressure.

摘要翻译： 本发明基本上包括与静电领域相关的系统和方法，涉及多色静电复制，印刷或构成具有多层有孔元件的涂覆和未涂覆的印刷接收介质，或者根据所选择的颜色分离图案携带电荷分布的屏幕。 通过多色元件的孔加速的离子通过由颜色分离图案决定的调制控制，从而形成具有对应于颜色分离图案的横截面密度图案的调制离子流。 静电潜像用调制的离子流形成，并以各种方式开发。 在一个实施例中，调制的离子流被静电场加速，通过与离子碰撞而被充电的不带电的液体调色剂颗粒的雾，然后通过离子加速磁场加速到打印接收介质上并可能是平常的 未涂布纸。 在另一个实施例中，将调制离子图案投影到静电加速场中的电介质表面上，以形成未显影的潜静电分色图像。 电介质表面可以是印刷接收介质本身上的电介质涂层。 在另一个实施例中，电介质表面可以形成在中间转印鼓上，并且打印接收介质放置在滚筒上的图像上，并且图像在热和压力下转印并固定到打印接收介质上。

公开(公告)号：US4526848A

公开(公告)日：1985-07-02

申请号：US549069

申请日：1983-11-07

申请人： Takao Okada ,  Akitoshi Toda ,  Yoshiyuki Mimura

发明人： Takao Okada ,  Akitoshi Toda ,  Yoshiyuki Mimura

IPC分类号： G03G15/05 ,  G03G13/056 ,  G03G15/056 ,  G03G13/052 ,  G03G13/24

CPC分类号： G03G15/056 ,  G03G13/056 ,  Y10S430/102

摘要： An electrophotographic process employs an electrophotographic photosensitive member of a basic construction in which a photoconductive layer and a transparent insulator layer are sequentially laminated on the surface of a conductive supporter. The process in one preferred embodiment comprises a first step of providing a primary charge uniformly from the surface side of the transparent insulator layer, a second step of performing a secondary corona charging during an imagewise exposure by applying an a.c. voltage in which the firing angle of a negative half wave is controlled in phase to be within a phase angle corresponding to a lower voltage than the firing angle so that the positive discharge period may be longer than the negative one during one period, and a third step of forming an electrostatic latent image on the transparent insulator layer by applying a uniform exposure.

摘要翻译： 电子照相方法使用基本结构的电子照相感光构件，其中光导电层和透明绝缘体层依次层压在导电支撑体的表面上。 一个优选实施方案中的方法包括从透明绝缘体层的表面侧均匀提供初级电荷的第一步骤，在成像曝光期间通过施加直流电流进行二次电晕充电的第二步骤。 将负半波的触发角相位控制在与触发角以下的电压相对应的相位角内的电压，使得在一个周期期间正放电周期可能比负值长， 通过均匀曝光在透明绝缘体层上形成静电潜像的步骤。

公开(公告)号：US4450216A

公开(公告)日：1984-05-22

申请号：US443786

申请日：1982-11-22

申请人： George G. Fulmer ,  John R. Lawson

发明人： George G. Fulmer ,  John R. Lawson

IPC分类号： G03G13/045 ,  G03G13/052 ,  G03G13/22

CPC分类号： G03G13/045 ,  Y10S430/102

摘要： A method for improving the sensitometric response of a persistently conductive photoreceptor is disclosed. This method involves charging and exposing the photoreceptor to form a latent electrostatic image and thereafter, within the period of persistence, recharging the photoreceptor to the same polarity and developing the latent electrostatic image.

摘要翻译： 公开了一种用于改善持久导电感光体的感光响应的方法。 该方法包括充电和曝光感光体以形成静电潜像，此后，在持续时间内，将感光体再次充电至相同的极性并显影静电潜像。

公开(公告)号：US4014694A

公开(公告)日：1977-03-29

申请号：US550406

申请日：1975-02-18

申请人： Hewitt D. Crane ,  Gerald L. Pressman ,  George J. Eilers

发明人： Hewitt D. Crane ,  Gerald L. Pressman ,  George J. Eilers

IPC分类号： G03G15/34 ,  G03G13/052

CPC分类号： G03G15/346

摘要： A machine for making a copy on a medium such as paper of a visual image. Particles of toner material are accelerated toward the paper through an apertured screen. Formed on the screen is a pattern of electrostatic charge regions that corresponds to the image so that the arrangement of the toner particles impinging on the paper corresponds to the image. A composite apertured screen composed of two conductive layers separated by an insulative layer and having an insulative layer on one outer surface. Means for establishing oppositely polarized fields across the inner insulative layer and across the outer insulative layer. One of the fields is selectively discharged to control the passage of toner particles through the apertures in the screen.

摘要翻译： 用于在诸如视觉图像的纸张的介质上制作副本的机器。 调色剂材料颗粒通过有孔屏幕朝纸张加速。 形成在屏幕上的是对应于图像的静电电荷区域的图案，使得照射在纸上的调色剂颗粒的布置对应于图像。 一种由绝缘层隔开并且在一个外表面上具有绝缘层的两个导电层组成的复合孔径屏。 用于在内绝缘层和穿过外绝缘层上建立相反极化场的装置。 选择性地排出一个场以控制调色剂颗粒通过屏幕中的孔。

公开(公告)号：US3943528A

公开(公告)日：1976-03-09

申请号：US463928

申请日：1974-04-25

申请人： Don L. Camphausen

发明人： Don L. Camphausen

IPC分类号： B41M5/20 ,  H04N1/23 ,  G03G13/052 ,  G01D15/06

CPC分类号： B41M5/20 ,  H04N1/23

摘要： Disclosed is an imaging method useful in facsimile transmission. The method involves passing an electrical current through a receiving member of a solid state persistent electrochromic material uniformly distributed on the surface of a substrate. The substrate comprises a surface material on a ground plane. The surface material is a material which becomes more conductive upon being heated or wetted and is returned to its original state of resistivity upon cooling or drying. The surface material is heated or wetted to increase its conductivity and thereby reduce its resistance to a level less than or about equal to that of the electrochromic material whereupon an electrical current is passed through the electrochromic material in imagewise configuration to thereby form an image. Upon formation of the image, it is fixed by cooling or drying the surface material.

摘要翻译： 公开了一种在传真传输中有用的成像方法。 该方法包括使电流通过均匀分布在基底表面上的固态持续电致变色材料的接收构件。 衬底包括在接地平面上的表面材料。 表面材料是在加热或润湿时变得更加导电并在冷却或干燥时恢复到其初始电阻状态的材料。 表面材料被加热或润湿以增加其导电性，从而将其电阻降低到小于或等于电致变色材料的电阻，因此电流以成像构型通过电致变色材料，从而形成图像。 在形成图像时，通过冷却或干燥表面材料来固定图像。

公开(公告)号：US4532197A

公开(公告)日：1985-07-30

申请号：US495251

申请日：1983-05-17

申请人： Victor C. Humberstone ,  John H. Fisher

发明人： Victor C. Humberstone ,  John H. Fisher

IPC分类号： G03G15/05 ,  G03G13/22 ,  G03G13/26 ,  G03G13/052

CPC分类号： G03G13/22

摘要： A method of forming an image on an electrophotographic film material is described. This involves a contact printing technique and comprises the following steps:(a) placing an image-bearing master in contact with the film;(b) exposing the film to light through the image-bearing master, the exposure being substantially greater than the minimum necessary to render conductive the photo-conductive layer of the electrophotographic film;(c) applying a substantially uniform charge to the surface of the film in the dark immediately after exposure;(d) leaving the film in the dark for a short time so as to allow the charge to migrate selectively; and(e) then developing the image.

摘要翻译： 描述了在电子照相胶片材料上形成图像的方法。 这涉及一种接触印刷技术，包括以下步骤：（a）将图像承载主机放置在与胶片接触的位置; （b）通过图像承载母版将该胶片曝光，曝光量基本上大于使电子照相胶片的光导电层导电所必需的最小值; （c）在暴露后立即在暗处施加基本上均匀的电荷至薄膜表面; （d）在黑暗中将薄膜离开短时间，以使电荷有选择地迁移; 和（e）然后开发图像。

公开(公告)号：US4469767A

公开(公告)日：1984-09-04

申请号：US339602

申请日：1982-01-15

申请人： Takashi Kitamura ,  Michio Ito

发明人： Takashi Kitamura ,  Michio Ito

IPC分类号： G03G13/056 ,  G03G15/056 ,  G03G15/30 ,  G03G13/052 ,  G03G13/24

CPC分类号： G03G15/30 ,  G03G13/056 ,  G03G15/056

摘要： This invention provides a process for making image overlay through the steps constituting an electrophotographic process, and also an apparatus adapted for conducting such process. The process, based on an electrophotographic process utilizing a three-layered photosensitive member having an insulating cover layer, comprising exposing the photosensitive member to a first image-forming irradiation to be overlaid substantially simultaneously with or subsequent to a charging on the surface of the insulating layer, then exposing the photosensitive member to a second image-forming irradiation to be overlaid substantially simultaneously with an AC or DC corona discharge given to the photosensitive member, and subsequently giving a uniform exposure to the surface of said photosensitive member thereby obtaining an electrophotographic overlay image of the first and second irradiations.

摘要翻译： 本发明提供了一种通过构成电子照相方法的步骤制作图像叠加的方法，以及适于进行这种处理的装置。 该方法基于利用具有绝缘覆盖层的三层感光构件的电子照相方法，包括将感光构件暴露于第一图像形成照射，以在绝缘层的表面上充电或基本同时重叠 然后将感光构件暴露于第二图像形成照射，以基本上与给予感光构件的AC或DC电晕放电同时地重叠，并且随后给所述感光构件的表面均匀地曝光，从而获得电子照相重叠 第一次和第二次照射的图像。

公开(公告)号：US4255043A

公开(公告)日：1981-03-10

申请号：US56817

申请日：1979-07-12

申请人： Yasushi Hoshino ,  Tooru Toida ,  Yukio Tokunaga ,  Kazuyoshi Tateishi ,  Rikuo Takano

发明人： Yasushi Hoshino ,  Tooru Toida ,  Yukio Tokunaga ,  Kazuyoshi Tateishi ,  Rikuo Takano

IPC分类号： G03G15/05 ,  G03G15/052 ,  G03G13/052

CPC分类号： G03G15/051

摘要： After uniformly charging one insulator side of an insulator mesh the other side of which is subjected to electroconductive treatment, the ion flow controlled by recording signals is irradiated for a short period of time on the insulator mesh to obtain a charge distribution wherein the charge on the insulator side is neutralized corresponding to the dots to be recorded. Via mesh apertures which have been freed from the charge by neutralization, the ion flow is irradiated for a time far longer than the above-said short time on an insulating recording substrate, to obtain thereon an electrostatic latent image having an amplified charge distribution.

摘要翻译： 在绝缘子网的另一侧进行导电处理的一个绝缘体侧面均匀充电之后，通过记录信号控制的离子流在绝缘子网上短时间照射，以获得电荷分布，其中电荷 绝缘体侧面与要记录的点相对应。 通过中和除去电荷的网孔，离子流在绝缘记录基板上照射比上述短时间长的时间，得到具有放大的电荷分布的静电潜像。

公开(公告)号：US4804603A

公开(公告)日：1989-02-14

申请号：US99043

申请日：1987-09-21

申请人： Christopher B. Liston

发明人： Christopher B. Liston

IPC分类号： G03G13/01 ,  G03G15/01 ,  G03G13/052 ,  G03G13/22

CPC分类号： G03G13/01 ,  Y10S430/102

摘要： An electrophotosensitive member is uniformly charged and portions to be toned by one type toner are erased. Those portions are filled in with a charge of different potential, for example, a charge of polarity opposite to that of the original charge. The charged member is imagewise exposed and developed with two toners selectively attractive to the different charge potentials. With this method a multicolor image can be formed iwth a single exposure.

摘要翻译： 电光敏元件被均匀充电，并且由一种调色剂调色的部分被擦除。 这些部分用不同电位的电荷填充，例如与原始电荷的极性相反的电荷。 带电元件被图像曝光和显影，两种调色剂选择性地吸引不同的电荷电位。 使用这种方法，可以在单次曝光中形成多色图像。

公开(公告)号：US4287278A

公开(公告)日：1981-09-01

申请号：US132521

申请日：1980-03-21

申请人： Tatsuo Ohta ,  Sohji Shinozaki ,  Syusaku Yoshida ,  Hideo Ohba

发明人： Tatsuo Ohta ,  Sohji Shinozaki ,  Syusaku Yoshida ,  Hideo Ohba

IPC分类号： G03G15/05 ,  G03G13/052

CPC分类号： G03G15/051

摘要： A method for forming an electrostatic latent image on an image recording medium includes forming a primary electrostatic latent image on a screen-type photosensitive plate, forming a secondary electrostatic latent image on the image recording material by irradiating the same with a charged particle current passed through the screen-type plate carrying the primary latent image, and correcting the secondary latent image on the recording material by irradiating the same with a charged particle current passed through the screen-type plate carrying the primary latent image.

摘要翻译： 用于在图像记录介质上形成静电潜像的方法包括在屏幕型感光板上形成一次静电潜像，在图像记录材料上形成二次静电潜像， 所述屏幕型板承载所述主潜像，并且通过照射通过穿过所述初级潜像的所述屏幕型板的带电粒子电流来对所述记录材料进行二次潜像的校正。