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    Electrophotographic apparatus
    1.
    发明授权
    Electrophotographic apparatus 失效
    电子照相设备

    公开(公告)号：US5923933A

    公开(公告)日：1999-07-13

    申请号：US23462

    申请日：1998-02-13

    申请人： Masayasu Anzai ,  Tsuneaki Kawanishi ,  Yoshitaka Fujinuma ,  Hiroyoshi Matsumoto ,  Yasuo Takuma ,  Hisao Okada ,  Masayuki Ainoya ,  Takashi Suzuki ,  Yuichiro Suzuki ,  Tomonari Hokkyo ,  Koji Kato ,  Katsuya Kawai ,  Tsutomu Nakagawa

    发明人： Masayasu Anzai ,  Tsuneaki Kawanishi ,  Yoshitaka Fujinuma ,  Hiroyoshi Matsumoto ,  Yasuo Takuma ,  Hisao Okada ,  Masayuki Ainoya ,  Takashi Suzuki ,  Yuichiro Suzuki ,  Tomonari Hokkyo ,  Koji Kato ,  Katsuya Kawai ,  Tsutomu Nakagawa

    IPC分类号： G03G15/09

    CPC分类号： G03G15/09 ,  G03G2215/0609 ,  G03G2215/0648

    摘要： A uniform image is obtained by matching the sliding friction force, the moving speed and the developing agent in a developing region of two developing rollers and an electric characteristic of a photosensitive body used for image development. Two developing rollers rotating in directions opposite to each other are used, the moving direction of the first developing roller being opposite to the moving direction of the photosensitive body, and a circumferential speed ratio of a circumferential speed of the first developing roller to a circumferential speed of the photosensitive body is within a rage of 0.5 to 2.5; and the moving direction of the second developing roller is equal to the moving direction of the photosensitive body, and a circumferential speed ratio of a circumferential speed of the second developing roller to a circumferential speed of the photosensitive body is within a range of 1.5 to 3.5. A ratio of the sliding friction force between a magnetic brush for developing agent and the photosensitive body formed in the first developing roller and the sliding friction force between a magnetic brush for developing agent and the photosensitive body formed in the second developing roller is within a range of 0.9 to 2.1.

    摘要翻译： 通过匹配两个显影辊的显影区域中的滑动摩擦力，移动速度和显影剂以及用于图像显影的感光体的电特性来获得均匀的图像。 使用沿彼此相反的方向旋转的两个显影辊，第一显影辊的移动方向与感光体的移动方向相反，并且第一显影辊的圆周速度与圆周速度的圆周速度比 的感光体在0.5〜2.5的范围内; 并且第二显影辊的移动方向等于感光体的移动方向，并且第二显影辊的圆周速度与感光体的圆周速度的圆周速度比在1.5至3.5的范围内 。 用于显影剂的磁刷和形成在第一显影辊中的感光体之间的滑动摩擦力与显影剂用磁刷与形成在第二显影辊中的感光体之间的滑动摩擦力之间的滑动摩擦力的比率在一定范围内 为0.9至2.1。

    Electrostatic recording apparatus
    2.
    发明授权
    Electrostatic recording apparatus 有权
    静电记录装置

    公开(公告)号：US6157798A

    公开(公告)日：2000-12-05

    申请号：US285651

    申请日：1999-04-05

    申请人： Tsuneaki Kawanishi ,  Tomonari Hokkyo ,  Katsuya Kawai ,  Koji Kato ,  Masayasu Anzai

    发明人： Tsuneaki Kawanishi ,  Tomonari Hokkyo ,  Katsuya Kawai ,  Koji Kato ,  Masayasu Anzai

    IPC分类号： G03G9/09 ,  G03G5/043 ,  G03G5/047 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147 ,  G03G9/08 ,  G03G9/097 ,  G03G9/10 ,  G03G13/09 ,  G03G15/00

    CPC分类号： G03G5/047 ,  G03G13/09 ,  G03G5/0507 ,  G03G9/09708 ,  G03G9/10

    摘要： An electrostatic recording apparatus including: an image carrier including an organic photoconductive photoreceptor having an abrasion-resisting outermost periphery; an exposing unit which exposes the image carrier to form an electrostatic latent image thereon; a developing unit which contains a toner and develops the electrostatic latent image with the toner to form a toner image; a transferring unit which transfers the toner image thus formed onto a recording medium; and a fixing unit which fixes the transferred toner image on said recording medium, wherein the toner contained in said developing unit includes an electrically conductive fine powder attached to the surface thereof.

    摘要翻译： 一种静电记录装置，包括：包括具有耐磨损最外周边的有机光电导性感光体的图像载体; 暴露单元，其暴露所述图像载体以在其上形成静电潜像; 显影单元，其包含调色剂并用调色剂显影静电潜像以形成调色剂图像; 转印单元，其将如此形成的调色剂图像转印到记录介质上; 以及固定单元，其将转印的调色剂图像固定在所述记录介质上，其中包含在所述显影单元中的调色剂包括附着在其表面上的导电细粉末。

    Electro-photographic developing unit
    4.
    发明授权
    Electro-photographic developing unit 失效
    电子照相显影单元

    公开(公告)号：US06813462B2

    公开(公告)日：2004-11-02

    申请号：US10351533

    申请日：2003-01-27

    申请人： Teruaki Mitsuya ,  Tsuneaki Kawanishi ,  Masayoshi Ishii ,  Hisao Okada ,  Hiroyoshi Matsumoto ,  Keisuke Kubota ,  Natsuki Kuribayashi

    发明人： Teruaki Mitsuya ,  Tsuneaki Kawanishi ,  Masayoshi Ishii ,  Hisao Okada ,  Hiroyoshi Matsumoto ,  Keisuke Kubota ,  Natsuki Kuribayashi

    IPC分类号： G03G1509

    CPC分类号： G03G15/09 ,  G03G2215/0648

    摘要： A developing unit in an electro-photographic apparatus such as a printer, a facsimile and a copier for actualizing an image employing colored particles such as toner, and more particularly to a developing unit for forming a toner image on the surface of a photosensitive body. The developing unit includes a plurality of developing rollers each having a core and a sleeve. The sleeve accommodates the core. The plurality of developing rollers include a first developing roller and a second developing roller. The sleeve for the first developing roller is rotated to move in the same direction as a moving direction of the surface of the photosensitive body. The sleeve for the second developing roller is rotated to move in an opposite direction to the moving direction of the surface of the photosensitive body. The core of only one of the plurality of developing rollers is driven in rotation while the other core is fixed. Alternatively, a magnetic pole of one of the developing rollers is placed at an opposing position where the developing rollers mutually oppose while an intermediate portion between two poles of the second developer roller is placed at the opposing position.

    摘要翻译： 一种电子照相设备中的显影单元，例如打印机，传真机和复印机，用于实现使用诸如调色剂的着色颗粒的图像，更具体地涉及用于在感光体表面上形成调色剂图像的显影单元。 显影单元包括各自具有芯和套筒的多个显影辊。 套筒容纳核心。 多个显影辊包括第一显影辊和第二显影辊。 用于第一显影辊的套筒旋转以沿与感光体的表面的移动方向相同的方向移动。 用于第二显影辊的套筒旋转以沿与感光体表面的移动方向相反的方向移动。 多个显影辊中只有一个的芯被旋转驱动，而另一个芯是固定的。 或者，一个显影辊的磁极被放置在显影辊相对的相对位置，而第二显影辊的两极之间的中间部分位于相对位置。

    Image forming apparatus with transfer bias inverting function
    5.
    发明授权
    Image forming apparatus with transfer bias inverting function 有权
    具有转印偏压反转功能的图像形成装置

    公开(公告)号：US06829449B2

    公开(公告)日：2004-12-07

    申请号：US10448292

    申请日：2003-05-30

    申请人： Hiroyoshi Matsumoto ,  Teruaki Mitsuya ,  Tsuneaki Kawanishi ,  Hisao Okada ,  Natsuki Kuribayashi ,  Masayoshi Ishii ,  Keisuke Kubota

    发明人： Hiroyoshi Matsumoto ,  Teruaki Mitsuya ,  Tsuneaki Kawanishi ,  Hisao Okada ,  Natsuki Kuribayashi ,  Masayoshi Ishii ,  Keisuke Kubota

    IPC分类号： G03G1516

    CPC分类号： G03G15/16 ,  G03G2215/1614

    摘要： A transfer member transporting section is disposed so as to bring a tip end of a transfer member into contact with a peripheral face of a transfer rotary member before the tip end of the transfer member enters a nip area. A bias power supply has a polarity inverting function of, during a period from a timing when the tip end of the transfer member is brought into contact with the transfer rotary member by the transfer member transporting section, to that when the tip end of the transfer member enters the nip area, applying a voltage of a polarity which is identical with that of a toner, to the transfer rotary member, and after the tip end of the transfer member enters the nip area, applying a voltage of a polarity which is opposite to that of the toner, to the transfer rotary member.

    摘要翻译： 传送部件传送部分设置成使传送部件的前端在转印部件的前端进入辊隙区域之前与转印旋转部件的周面接触。 偏置电源具有极性反转功能，在转印部件的前端通过转印部件输送部与转印旋转部件接触的时刻的期间为转印的前端 构件进入夹持区域，将与调色剂相同的极性电压施加到转印旋转构件，并且在转印构件的末端进入夹持区域之后，施加相反极性的电压 转印到转印旋转部件上。

    Image forming apparatus having a photosensitive body formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si and a method
    6.
    发明授权
    Image forming apparatus having a photosensitive body formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si and a method 失效
    具有由As2Se3或a-Si构成的基材形成的感光体的图像形成装置及其制造方法

    公开(公告)号：US5701560A

    公开(公告)日：1997-12-23

    申请号：US675545

    申请日：1996-07-03

    申请人： Akio Tsujita ,  Masayasu Anzai ,  Tsuneaki Kawanishi

    发明人： Akio Tsujita ,  Masayasu Anzai ,  Tsuneaki Kawanishi

    IPC分类号： G03G15/00 ,  G03G5/08 ,  G03G13/26 ,  G03G15/04 ,  G03G15/08 ,  G03G15/32 ,  G03G21/08

    CPC分类号： G03G15/326 ,  G03G15/04054 ,  G03G21/08

    摘要： In an image forming apparatus forming an electrostatic latent image on a surface of a photosensitive body by exposing the charged photosensitive body, developing the latent image using a toner to form a toner image, transferring the toner image to a image holding body, and erasing the remaining charge on the surface of the photosensitive body after completion of the transferring, the photosensitive body is formed of a base material consisting of As.sub.2 Se.sub.3 or a-Si, and wherein the wavelength .lambda..sub.0 of the writing light used for the exposure is limited to a wavelength not larger than 780 nm, the wavelength .lambda..sub.1 of charge erasing light used for the charge erasing is limited to a wavelength smaller than 680 nm, and the time T.sub.1 from completion of the exposure to initiation of the development is limited within the range of 70 milliseconds to 300 milliseconds.

    摘要翻译： 在通过曝光带电感光体在感光体的表面上形成静电潜像的图像形成设备中，使用调色剂将潜像显影以形成调色剂图像，将调色剂图像转印到图像保持体上，并且擦除 感光体完成后在感光体的表面上剩余电荷，感光体由As2Se3或a-Si构成的基体材料形成，其中用于曝光的书写光的波长λ0限于 波长不大于780nm，用于电荷擦除的电荷擦除光的波长λ1被限制为小于680nm的波长，并且从开始开始的曝光完成的时间T1被限制在 70毫秒到300毫秒。

    Image forming method and image forming apparatus
    9.
    发明授权
    Image forming method and image forming apparatus 有权
    图像形成方法和图像形成装置

    公开(公告)号：US07090956B2

    公开(公告)日：2006-08-15

    申请号：US10025550

    申请日：2001-12-26

    申请人： Katsuhiko Suzuki ,  Masami Ishikawa ,  Tsuneaki Kawanishi ,  Teruaki Mitsuya ,  Hisao Okada ,  Masayoshi Ishii

    发明人： Katsuhiko Suzuki ,  Masami Ishikawa ,  Tsuneaki Kawanishi ,  Teruaki Mitsuya ,  Hisao Okada ,  Masayoshi Ishii

    IPC分类号： G03G13/09

    CPC分类号： G03G13/09 ,  G03G2215/0609 ,  G03G2215/0648

    摘要： In an image forming method, when viewed from the moving direction of a photosensitive body 1, there is disposed, on the upstream side, a first developing roller 61 opposed to and adjacent to the photosensitive body 1 and rotatable in the opposite direction to the photosensitive body 1, while the peripheral speed ratio of the roller 61 to the photosensitive body 1 ranges from 0.8 to 2.0; on the downstream side of the roller 61, there is disposed a second developing roller 62 rotatable in the same direction to the photosensitive body 1, while the peripheral speed ratio of the roller 62 to the photosensitive body 1 ranges from 1.05 to 2.0; and the shape coefficient SF1 of the toners of two-component developing agent ranges from 120 to 170, while the shape coefficient SF2 ranges from 110 to 130.

    摘要翻译： 在图像形成方法中，当从感光体1的移动方向观察时，在上游侧设置有与感光体1相对并邻近感光体1并可沿与感光体相反的方向旋转的第一显影辊61 而辊61与感光体1的圆周速度比在0.8至2.0的范围内; 在辊61的下游侧，设置有与感光体1相同的方向旋转的第二显影辊62，而辊62与感光体1的圆周速度比范围为1.05〜2.0; 双成分显影剂的调色剂的形状系数SF 1为120〜170，形状系数SF 2为110〜130。