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    Image recording apparatus
    1.
    发明授权
    Image recording apparatus 失效
    图像记录装置

    公开(公告)号：US5309177A

    公开(公告)日：1994-05-03

    申请号：US865672

    申请日：1992-04-08

    申请人： Hisashi Shoji ,  Tomoko Ogawa

    发明人： Hisashi Shoji ,  Tomoko Ogawa

    IPC分类号： B41J2/44 ,  B41J2/47 ,  G03G15/00 ,  G03G15/04 ,  G03G15/36 ,  H04N1/23 ,  H04N1/40 ,  H04N1/21

    CPC分类号： B41J2/471 ,  H04N1/40037 ,  H04N1/4005

    摘要： An image recording apparatus for electrostatically forming a latent image on an image carrier by driving optics in response to multi-level image data. Before the start of an actual image recording operation, a latent image in the form of a test pattern having a plurality of tones is formed on the image carrier by pulse width modulation. A table for correcting image data is generated on the basis of sensed surface potentials of the test pattern. A semiconductor laser included in the optics is driven such that the tone data and the latent image potential remains in a constant relation.

    摘要翻译： 一种图像记录装置，用于响应于多级图像数据通过驱动光学器件而在图像载体上静电形成潜像。 在开始实际的图像记录操作之前，通过脉宽调制在图像载体上形成具有多个音调的测试图形形式的潜像。 基于感测到的测试图案的表面电位产生用于校正图像数据的表格。 驱动包括在光学器件中的半导体激光器，使得色调数据和潜像电位保持恒定关系。

    Direct image recording apparatus using toner
    2.
    发明授权
    Direct image recording apparatus using toner 失效
    使用调色剂的直接图像记录装置

    公开(公告)号：US5051760A

    公开(公告)日：1991-09-24

    申请号：US559210

    申请日：1990-07-30

    申请人： Hisashi Shoji ,  Makoto Obu ,  Hidetoshi Yano ,  Shinsuke Kikui ,  Junichi Terai ,  Tomoko Ogawa

    发明人： Hisashi Shoji ,  Makoto Obu ,  Hidetoshi Yano ,  Shinsuke Kikui ,  Junichi Terai ,  Tomoko Ogawa

    IPC分类号： B41J2/385 ,  B41J2/005 ,  B41J2/415 ,  G03G15/05 ,  G03G15/34

    CPC分类号： G03G15/346 ,  B41J2/005 ,  B41J2/4155

    摘要： An image recording apparatus for recording an image directly on a recording medium by transferring a toner to the medium. The toner is caused to fly toward the medium by small energy to form a high resolution image. A developing roller transports the toner in a predetermined direction. A flat electrode is located in the vicinity of the developing roller. A control electrode is provided on the flat electrode at a position where the flat electrode is remotest from the developing roller, while being electrically insulated from the flat electrode. The control electrode is made up of a number of recording electrodes and has an opening through which the toner may fly toward the medium.

    摘要翻译： 一种图像记录装置，用于通过将调色剂转印到介质上将图像直接记录在记录介质上。 通过小能量使调色剂朝向介质飞行以形成高分辨率图像。 显影辊沿预定方向输送调色剂。 平面电极位于显影辊附近。 控制电极设置在扁平电极上，在与平面电极电绝缘的平坦电极离显影辊最远的位置处。 控制电极由多个记录电极组成，并具有一个开口，调色剂可以通过该开口向介质飞行。

    Abnormality determining method, abnormality determining apparatus, and image forming apparatus
    6.
    发明申请
    Abnormality determining method, abnormality determining apparatus, and image forming apparatus 有权
    异常判定方法，异常判定装置和图像形成装置

    公开(公告)号：US20050157327A1

    公开(公告)日：2005-07-21

    申请号：US11020729

    申请日：2004-12-27

    申请人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    发明人： Hisashi Shoji ,  Osamu Satoh ,  Masaaki Yamada ,  Shuji Hirai ,  Yoshinori Nakagawa ,  Tomoko Takahashi ,  Katsuaki Miyawaki ,  Takashi Seto ,  Nekka Matsuura ,  Satoshi Ouchi ,  Yasushi Nakazato

    IPC分类号： G06F3/12 ,  G06F11/30

    CPC分类号： G06F11/0751 ,  G06F3/121 ,  G06F3/1229 ,  G06F11/0754 ,  G06K15/408

    摘要： An image forming apparatus is capable of specifying the type of an occurring abnormality to a certain extent while avoiding the increasingly complicated control that is caused when a plurality of abnormalities is detected individually according to the presence of their respective causes. A normal group data set, which is a collection of normal value combinations relating to grouped information constituted by a plurality of information of differing types, is stored in RAM or ROM serving as information storage means of a control unit. At least two or more sets of grouped information, comprising first grouped information constituted by a plurality of different types of information, and second grouped information constituted by a plurality of information in a different combination to that of the first grouped information, are obtained from the RAM, the ROM, various sensors, and an operation display unit. A CPU serving as determining means determines a Mahalanobis distance for each set of grouped information on the basis of the normal group data set and the obtained results of each set of grouped information, and uses this Mahalanobis distance to determine the presence of an abnormality according to categories.

    摘要翻译： 图像形成装置能够在一定程度上指定出现的异常的类型，同时避免根据各自原因的存在单独检测到多个异常时引起的越来越复杂的控制。 作为与由多个不同类型的信息构成的分组信息相关的正常值组合的正常组数据集存储在用作控制单元的信息存储装置的RAM或ROM中。 包括由多个不同类型的信息构成的第一分组信息和由与第一分组信息的组合不同的多个信息构成的第二分组信息的至少两组或更多组分组信息从 RAM，ROM，各种传感器以及操作显示单元。 用作确定装置的CPU基于正常组数据集合和每组分组信息的获得结果确定每组分组信息的马氏距离，并且使用该马氏距离来确定根据 类别。

    Image forming apparatus having plurality of developing sections with particular magnetic flux density
    7.
    发明授权
    Image forming apparatus having plurality of developing sections with particular magnetic flux density 有权
    图像形成装置具有具有特定磁通密度的多个显影部分

    公开(公告)号：US06782225B2

    公开(公告)日：2004-08-24

    申请号：US10713156

    申请日：2003-11-17

    申请人： Tsukuru Kai ,  Hisashi Shoji

    发明人： Tsukuru Kai ,  Hisashi Shoji

    IPC分类号： G03G1501

    CPC分类号： G03G15/0921 ,  G03G2215/0177

    摘要： In a developing device including a plurality of developing sections each including a developer carrier that causes a developer deposited thereon to form a magnet brush and contact an image carrier, the developer carrier including: a rotatable nonmagnetic sleeve; and a stationary magnet roller accommodated in the sleeve and including a magnetic pole for scooping up the developer to the sleeve, a magnetic pole for conveying the developer deposited on the sleeve, and a main magnetic pole for causing the developer to rise on the sleeve in a form of the magnet brush. The plurality of developing sections include at least one developing section in which a flux density of the main magnetic pole in a normal direction has an attenuation ratio of 40% or above and at least one developing section in which said flux density has an attenuation ratio of 30% or below.

    摘要翻译： 在包括多个显影部分的显影装置中，每个显影部分包括使沉积在其上的显影剂形成磁刷并与图像载体接触的显影剂载体，所述显影剂载体包括：可旋转的非磁性套筒; 以及容纳在套筒中并包括用于将显影剂舀到套筒上的磁极的固定磁辊，用于输送沉积在套筒上的显影剂的磁极和用于使显影剂在套筒上升高的主磁极 一种形式的磁铁刷。 多个显影部分包括至少一个显影部分，其中主磁极在正常方向上的磁通密度具有40％或更大的衰减比，以及至少一个显影部分，其中所述磁通密度具有衰减比 30％以下。

    Image forming apparatus and an image forming process unit
    8.
    发明授权
    Image forming apparatus and an image forming process unit 有权
    图像形成装置和图像形成处理单元

    公开(公告)号：US06505014B2

    公开(公告)日：2003-01-07

    申请号：US09964794

    申请日：2001-09-28

    申请人： Katsuhiro Aoki ,  Hisashi Shoji ,  Tsukuru Kai ,  Hajime Oyama ,  Noriyoshi Tarumi ,  Takashi Hodoshima ,  Yasuo Miyoshi

    发明人： Katsuhiro Aoki ,  Hisashi Shoji ,  Tsukuru Kai ,  Hajime Oyama ,  Noriyoshi Tarumi ,  Takashi Hodoshima ,  Yasuo Miyoshi

    IPC分类号： G03G1506

    CPC分类号： G03G15/065 ,  G03G13/08

    摘要： An image forming apparatus of the present invention includes an image carrier made up of a conductive base and photoconductive layer and a toner carrier to which a bias for development is applied. The toner carrier conveys toner deposited thereon to a developing position where the toner carrier faces the image carrier, thereby developing a latent image formed on the image carrier. The apparatus effects low-voltage development that protects the image carrier from electrostatic fatigue, obviates background contamination, and realizes image density as high as 0.5 ×10−3 g/cm2 or above in terms of the amount of toner deposition. Further, the apparatus implements faithful development of the latent image by reducing the edge effect. An image forming process unit removable from the apparatus is also disclosed.

    摘要翻译： 本发明的图像形成装置包括由导电基底和光电导层构成的图像载体和施加偏压的调色剂载体。 调色剂载体将沉积在其上的调色剂输送到显影位置，在该显影位置调色剂载体面向图像载体，从而显影形成在图像载体上的潜像。 该装置实现低电压显影，其保护图像载体免受静电疲劳，消除背景污染，并且根据调色剂沉积量实现高达0.5×10 -3 g / cm 2或更高的图像密度。 此外，该装置通过减少边缘效应来实现潜像的忠实发展。 还公开了可从该装置移除的图像形成处理单元。

    Developing method, device, and image forming apparatus with magnet brush
    9.
    发明授权
    Developing method, device, and image forming apparatus with magnet brush 有权
    具有磁刷的显影方法，装置和成像装置

    公开(公告)号：US06456806B2

    公开(公告)日：2002-09-24

    申请号：US09852212

    申请日：2001-05-10

    申请人： Hisashi Shoji ,  Tsukuru Kai

    发明人： Hisashi Shoji ,  Tsukuru Kai

    IPC分类号： G03A1509

    CPC分类号： G03G21/0064 ,  G03G2221/0005

    摘要： A developing device for an image forming apparatus capable of collecting a developer left on an image carrier with a so-called cleanerless process is disclosed. A ratio of a distance between the image carrier and a developer carrier at the boundary of a nip to a development gap at the center of the nip is selected to be 1.5 or less. This obviates the omission of the trailing edge of an image and granularity and enhances faithful reproduction of horizontal lines and dots despite the use of the cleanerless process.

    摘要翻译： 公开了一种图像形成装置的显影装置，其能够以所谓的无清洁器工艺收集图像载体上残留的显影剂。 在辊隙的边界处的图像载体和显影剂载体之间的距离与间隙中心处的显影间隙的比率选择为1.5以下。 这消除了图像的后沿和粒度的遗漏，并且尽管使用无清洁器的过程而增强了水平线和点的忠实再现。

    Image forming apparatus and method therefor
    10.
    发明授权
    Image forming apparatus and method therefor 失效
    图像形成装置及其方法

    公开(公告)号：US5999762A

    公开(公告)日：1999-12-07

    申请号：US109865

    申请日：1998-07-06

    申请人： Hisashi Shoji

    发明人： Hisashi Shoji

    IPC分类号： G03G9/113 ,  G03G15/06 ,  G03G15/08 ,  G03G15/09

    CPC分类号： G03G15/065

    摘要： An image forming apparatus including, an image bearing member capable of having a latent image formed thereon, and a developer bearing member that bears a developer comprising a toner and a carrier, wherein a latent image formed on the image bearing member is developed by a non-contacting method under application of a vibrating electric field, so that the toner is transferred from the developer bearing member toward the image bearing member, and wherein the following relation holds:1.0.times.10.sup.-4

    摘要翻译： 一种图像形成装置，包括：能够形成在其上的潜像的图像承载部件和承载包含调色剂和载体的显影剂的显影剂承载部件，其中形成在图像承载部件上的潜像通过非显影剂显影， 在施加振动电场的情况下接触方法，使得调色剂从显影剂承载部件朝向图像承载部件传递，并且其中以下关系成立：1.0×10 -4