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    Image forming apparatus and method for obtaining smooth charging, exposure and development
    2.
    发明授权
    Image forming apparatus and method for obtaining smooth charging, exposure and development 失效
    用于获得平滑充电，曝光和显影的图像形成装置和方法

    公开(公告)号：US5483272A

    公开(公告)日：1996-01-09

    申请号：US16038

    申请日：1993-02-10

    申请人： Hisashi Mukataka ,  Ryushi Imoo ,  Hidemasa Aiba ,  Akira Satoh ,  Masahiro Nagata ,  Hiroyoshi Tode

    发明人： Hisashi Mukataka ,  Ryushi Imoo ,  Hidemasa Aiba ,  Akira Satoh ,  Masahiro Nagata ,  Hiroyoshi Tode

    IPC分类号： G03G15/06 ,  G03G15/34 ,  G01D15/14

    CPC分类号： G03G15/065 ,  G03G15/344 ,  G03G2215/0497 ,  G03G2217/0091

    摘要： An image forming apparatus is disclosed, in which a photo-sensitive member is exposed by exposure means accommodated therein, and development is done substantially simultaneously with the exposure.Three time elements, that is, charging time constant C, i.e., time until reaching of a predetermined charging potential on of the photo-sensitive member in a brushing contact region between the photo-sensitive member and a toner holder after the start of charging, exposure time constant R, i.e., time until the charging potential is attenuated by the exposure to a latent image potential, and development time or time T, during which the photo-sensitive member passes by the brushing contact region, are appropriately determined.It is found that more satisfactory image formation is possible by setting C, R and T such as to meet relationsC+R

    摘要翻译： 公开了一种图像形成装置，其中感光构件通过容纳在其中的曝光装置曝光，并且显影基本上与曝光同时进行。 三个时间要素，即充电时间常数C，即，在开始充电之后，在感光元件和调色剂保持器之间的刷涂接触区域中到达感光元件的预定充电电位之前的时间， 适当确定曝光时间常数R，即通过曝光到潜像电位使充电电位衰减的时间，以及感光元件通过刷洗接触区域的显影时间或时间T。 发现通过设定C，R和T以满足关系C + R

    Charging apparatus for charging a photo-sensitive member by magnetically holding magnetic particles in a charging zone
    3.
    发明授权
    Charging apparatus for charging a photo-sensitive member by magnetically holding magnetic particles in a charging zone 失效
    充电装置，用于通过在充电区中磁性地保持磁性颗粒来对感光构件进行充电

    公开(公告)号：US5596394A

    公开(公告)日：1997-01-21

    申请号：US245281

    申请日：1994-05-18

    申请人： Yasuo Nishiguchi ,  Susumu Kikuchi ,  Ryushi Imoo ,  Sigeki Tsukahara ,  Shinji Yamane

    发明人： Yasuo Nishiguchi ,  Susumu Kikuchi ,  Ryushi Imoo ,  Sigeki Tsukahara ,  Shinji Yamane

    IPC分类号： G03G15/02 ,  G03G15/01

    CPC分类号： G03G15/0241 ,  G03G2215/022

    摘要： A particle charging apparatus for charging a photo-sensitive drum by magnetically holding magnetic particles in a charging zone and impressing a charging bias on the magnetic particles. Adjacent to an opposed pole which is disposed on the back side of the photo-sensitive drum on the charging zone upstream side for forming a vertical magnetic field, an opposite polarity magnet or magnetic member is disposed such that a mainly horizontal magnetic field is formed on the drum by the opposed and adjacent poles. A vertical magnetic field is formed on the charging zone downstream side by a main pole and the opposed pole. A non-magnetic sleeve with the main pole therein is rotated in the direction opposite that of the drum, thus causing magnetic particles in the vertical magnetic field to be circulated toward the charging zone upstream side. Leakage and spattering of magnetic particles out of the charging zone is effectively prevented by simple construction, and stable charging is permitted even with a reduced photo-sensitive drum size or with assembling errors of a charging sleeve or the like.

    摘要翻译： 一种粒子充电装置，用于通过在充电区中磁性地保持磁性颗粒并对磁性颗粒施加充电偏压来对感光鼓进行充电。 与位于充电区上游侧的用于形成垂直磁场的感光鼓的背侧上的相对的极相邻，设置相反极性的磁体或磁性构件，使得主要水平的磁场形成在 鼓由相对和相邻的杆组成。 通过主极和相对的极在充电区下游侧形成垂直磁场。 其中具有主极的非磁性套筒沿与鼓的方向相反的方向旋转，从而使垂直磁场中的磁性粒子朝向充电区上游侧循环。 通过简单的结构有效地防止了磁性颗粒从充电区域的泄漏和飞溅，即使减小了感光鼓尺寸或充电套筒等的装配误差，也允许稳定的充电。

    Developer for developing latent electrostatic images
    4.
    发明授权
    Developer for developing latent electrostatic images 失效
    用于显影静电潜像的显影剂

    公开(公告)号：US5554477A

    公开(公告)日：1996-09-10

    申请号：US76919

    申请日：1993-06-14

    申请人： Yoshio Ozawa ,  Hisashi Mukataka ,  Ryushi Imoo ,  Satoshi Nishida

    发明人： Yoshio Ozawa ,  Hisashi Mukataka ,  Ryushi Imoo ,  Satoshi Nishida

    IPC分类号： G03G9/10 ,  G03G9/107 ,  G03G9/113 ,  G03G13/08

    CPC分类号： G03G9/1139 ,  G03G9/10 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/113 ,  G03G9/1135 ,  G03G2215/0497

    摘要： A developer for developing latent electrostatic images for use in the rear side exposure system, composed of an electroconductive magnetic carrier which is composed of electroconductive magnetic carrier particles, each electroconductive magnetic carrier particle including a magnetic base particle and an electroconductive layer formed on the surface of the magnetic base particle, a magnetic high-resistivity magnetic carrier, and an electrically insulating toner; and an image formation method of forming toner images on a photoconductor by using this developer in accordance with the rear side exposure system are disclosed.

    摘要翻译： 用于显影用于背面曝光系统的静电潜像的显影剂，由导电磁性载体颗粒构成的导电磁性载体构成，每个导电磁性载体颗粒包括磁性基体颗粒和形成在表面上的导电层 磁性基体颗粒，磁性高电阻率磁性载体和电绝缘性调色剂; 并且公开了通过使用根据后侧曝光系统的显影剂在感光体上形成调色剂图像的图像形成方法。