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133 条记录 (耗时 0.014 秒)

    Method for forming toner images with two distinct toners
    111.
    发明公开
    Method for forming toner images with two distinct toners 失效
    维也纳um Tonerbilder aus zwei unterschiedlichen Tonermaterialen zu erstellen

    公开(公告)号：EP0785478A2

    公开(公告)日：1997-07-23

    申请号：EP97200016.0

    申请日：1997-01-06

    申请人： EASTMAN KODAK COMPANY

    发明人： Stelter, Eric C., c/o Eastman Kodak Company ,  Guth, Joseph E., c/o Eastman Kodak Company ,  Kasiske, Charles W., c/o Eastman Kodak Company ,  Eck, Edward M., c/o Eastman Kodak Company ,  Fritz, Garold F., c/o Eastman Kodak Company

    IPC分类号： G03G13/09

    CPC分类号： G03G13/22 ,  G03G13/013 ,  G03G13/09 ,  G03G2215/0497

    摘要： An image forming method which forms a two color toner image or an image made up of two types of toners of the same color includes forming a first image with discharged area development (DAD) and a second image with charged area development (CAD). Resolution and sharpness of the first toner image is improved if the second toner image is formed by imagewise exposing a photoconductive member through a transparent base. Scavenging of the first toner image by the development of the second toner image and other aspects of the method are improved by use of a rotating magnetic core to drive a developer containing hard magnetic carrier in a soft brush through contact with the electrostatic image.

    摘要翻译： 形成双色调色剂图像的图像形成方法或由相同颜色的两种类型的调色剂组成的图像包括形成具有排出区域显影（DAD）的第一图像和带有带电区域显影（CAD）的第二图像。 如果通过透明基底成像曝光感光体而形成第二调色剂图像，则第一调色剂图像的分辨率和清晰度得到改善。 通过使用旋转磁芯通过与静电图像接触来驱动包含硬磁性载体的显影剂在软刷中的第二调色剂图像的显影和方法的清除来改善第一调色剂图像的清除。

    Two-component type developer, developing method and image forming method
    112.
    发明公开
    Two-component type developer, developing method and image forming method 失效
    双组分型显影剂，显影方法和成像方法

    公开(公告)号：EP0708376A2

    公开(公告)日：1996-04-24

    申请号：EP95306881.4

    申请日：1995-09-29

    申请人： CANON KABUSHIKI KAISHA

    发明人： Baba, Yoshinobu, c/o Canon Kabushiki Kaisha ,  Tokunaga, Yuzo, c/o Canon Kabushiki Kaisha

    IPC分类号： G03G9/08 ,  G03G9/10

    CPC分类号： G03G13/013 ,  G03G9/0819 ,  G03G9/10 ,  G03G9/107 ,  G03G13/09

    摘要： A two-component type developer for developing an electrostatic image is constituted by at least a toner and a magnetic carrier. The toner has a weight-average particle size D4 of 1 - 10 µm, a number-average particle size D1 and such a particle size distribution that particles having size of at most D1/2 occupy at most 20 % by number and particles having sizes of at least D4x2 occupy at most 10 % by volume. The magnetic carrier has a number-average particle size of 1 - 100 µm and contains at most 20 % by number of particles having sizes in the range of at most a half of the number-average particle size, the magnetic carrier has a resistivity of at least 1x10¹ ohm.cm and has a core having a resistivity of at least 1x10¹⁰ ohm.cm, and the magnetic carrier has a magnetization at 1 kilo-oersted of 30 - 150 emu/g.

    摘要翻译： 用于显影静电图像的双组分型显影剂至少由调色剂和磁性载体构成。 调色剂具有1-10μm的重均粒径D4，数均粒径D1和具有至多D1 / 2的尺寸的颗粒占最多20个数％的颗粒和具有尺寸 至少D4×2占据最多10体积％。 磁性载体具有1-100μm的数均粒度并且含有至多20数量％的尺寸为至多数量平均粒度的一半的粒子，磁性载体的电阻率为 至少为1×10 19欧姆·厘米，芯的电阻率至少为1×10 19欧姆·厘米，磁性载体在1千奥斯特下具有30-150emu /克的磁化强度。

    Development apparatus
    117.
    发明公开
    Development apparatus 失效
    开发设备

    公开(公告)号：EP0503878A3

    公开(公告)日：1993-07-28

    申请号：EP92302000.2

    申请日：1992-03-09

    申请人： XEROX CORPORATION

    发明人： Hogestyn, Larry G.

    IPC分类号： G03G15/01 ,  G03G15/09 ,  G03G13/01

    CPC分类号： G03G15/0921 ,  G03G13/013 ,  G03G15/0121

    摘要： An electrophotographic printing machine in which an electrostatic latent image is recorded on a photoconductive surface (10). One portion of the latent image is a discharged area with the other portion of the latent image being a charged area. The discharged image area is developed with toner particles of a first colour and polarity by a first developer unit (32). No greater than 2% by volume of these toner particles have a diameter greater than about 20 microns. The first developer unit (32) generates a weak magnetic field in the development zone and a strong magnetic field at the entrance and exit of the development zone. A second developer unit (34) develops the charged image area with toner of a second colour and polarity. The colours of the toners are different from one another.

    Highlight printing apparatus
    119.
    发明公开
    Highlight printing apparatus 失效
    高亮度打印设备

    公开(公告)号：EP0465211A3

    公开(公告)日：1992-09-16

    申请号：EP91305983.8

    申请日：1991-07-02

    申请人： XEROX CORPORATION

    发明人： Tabb, Charles H.

    IPC分类号： G03G13/01 ,  G03G15/01

    CPC分类号： G03G13/013 ,  G03G15/0126 ,  G03G2215/0495

    摘要： Apparatus and method of forming plural images, wherein the method includes the steps of: uniformly charging (24) a charge retentive belt (10); discharging (25) portions of the uniformly charged belt to form relatively high and low voltage areas of the same polarity on the belt; providing a high resolution development system (32); providing an electrical bias (41) for said development system such that a relatively large development field is provided between said developer structure forming a part of the development system and the relatively low voltage; using the high resolution development system, developing the areas of relatively low voltage with first toner material contained in the developer structure; discharging (48) portions of the relatively high voltage areas of the charge retentive belt to form areas at a voltage level intermediate the relatively high and low voltage areas; and developing (34) the areas of high voltage level with a second toner material which is distinct and of opposite polarity from said first toner material.

    A color image forming method
    120.
    发明公开
    A color image forming method 失效
    Verfahren zur Farbbilderzeugung。

    公开(公告)号：EP0469875A2

    公开(公告)日：1992-02-05

    申请号：EP91307000.9

    申请日：1991-07-30

    申请人： KONICA CORPORATION

    发明人： Kaneko, Tadashi ,  Kobayashi, Yoshiaki ,  Nakano, Shoichi

    IPC分类号： G03G13/01 ,  G03G15/01

    CPC分类号： G03G13/013

    摘要： A color image forming method by superimposing plural kinds of toner with different colors on a surface of a photoreceptor body is disclosed. The surface of the photoreceptor is uniformly pre-charged with an electricity. A kind of toner is selected accroding to a predetermined order. A latent image corresponding to the selected toner, and consequently corresponding to a selected color, is formed on the surface by a photo-electric exposure. A toner image is formed by developing the latent image with the selected toner. By repeating the above two steps with regard to succeeding colors and kinds of toners till all kinds of toner having been developed. In repeating the development, following formulas are satisfied under the supposition that (Q/M)n is an amount of electrification of toner used in the n-th development.

    摘要翻译： 公开了一种通过在感光体的表面上叠加多种不同颜色的调色剂的彩色图像形成方法。 感光体的表面被均匀地预充电。 根据预定的顺序选择一种碳粉。 通过光电曝光在表面上形成对应于所选择的调色剂并因此对应于所选颜色的潜像。 通过用所选择的调色剂显影潜像来形成调色剂图像。 通过重复上述两个步骤，关于随后的颜色和种类的调色剂，直到已经开发出各种调色剂。 在重复开发时，假定（Q / M）n是在第n次显影中使用的调色剂的带电量，满足以下公式。 p