公开(公告)号：US07218879B2

公开(公告)日：2007-05-15

申请号：US11002208

申请日：2004-12-03

申请人： Shigekazu Enoki ,  Koji Suzuki ,  Yasushi Koichi ,  Osamu Ariizumi ,  Kumiko Hatakeyama ,  Koichi Kato ,  Masahide Yamashita ,  Toshiyuki Kabata ,  Jun Yura

发明人： Shigekazu Enoki ,  Koji Suzuki ,  Yasushi Koichi ,  Osamu Ariizumi ,  Kumiko Hatakeyama ,  Koichi Kato ,  Masahide Yamashita ,  Toshiyuki Kabata ,  Jun Yura

IPC分类号： G03G21/00

CPC分类号： G03G21/0047 ,  G03G2215/0119 ,  G03G2221/0005

摘要： An image forming apparatus includes an image carrier, a charging device configured to uniformly charge a surface of the image carrier with a charging member applied with a bias of a first polarity (e.g. a negative polarity) for charging. A latent image forming device forms a latent image on the surface of the image carrier uniformly charged. A developing device develops a latent image by depositing toner grains of the first polarity on the latent image to thereby form a corresponding toner image. A transferring device forms an electric field between the image carrier and a moving member that serves as a movable contact with the image carrier to thereby transfer the toner image from the surface of the image carrier to the moving member or to a recording member nipped between the image carrier and the moving member. A polarity controlling device sets residual toner to a second polarity (e.g. a positive polarity) opposite to the first polarity, before the residual toner left on the image carrier by the transferring device is conveyed to a corresponding position to the charging member.

摘要翻译： 图像形成装置包括图像载体，充电装置，被配置为用施加有用于充电的第一极性（例如负极性）的偏置的充电部件对图像载体的表面进行均匀充电。 潜像形成装置在均匀充电的图像载体的表面上形成潜像。 显影装置通过在潜像上沉积第一极性的调色剂颗粒来形成潜像，从而形成相应的调色剂图像。 传送装置在图像载体和用作与图像载体的可动触点的移动部件之间形成电场，从而将调色剂图像从图像载体的表面转移到移动部件或夹在 图像载体和移动构件。 在通过转印装置留在图像载体上的剩余调色剂被传送到与充电部件相对应的位置之前，极性控制装置将残留调色剂设置为与第一极性相反的第二极性（例如正极性）。

公开(公告)号：US20050276632A1

公开(公告)日：2005-12-15

申请号：US11150299

申请日：2005-06-13

申请人： Osamu Ariizumi ,  Masahide Yamashita ,  Koji Suzuki ,  Yasushi Koichi ,  Shigekazu Enoki ,  Kumiko Hatakeyama ,  Koichi Kato ,  Toshiyuki Kabata ,  Jun Yura

发明人： Osamu Ariizumi ,  Masahide Yamashita ,  Koji Suzuki ,  Yasushi Koichi ,  Shigekazu Enoki ,  Kumiko Hatakeyama ,  Koichi Kato ,  Toshiyuki Kabata ,  Jun Yura

IPC分类号： G03G9/10 ,  G03G15/00 ,  G03G15/02 ,  G03G15/06 ,  G03G15/08 ,  G03G15/09 ,  G03G21/00 ,  G03G21/14

CPC分类号： G03G21/0064 ,  G03G2215/0119 ,  G03G2215/0607

摘要： An image forming apparatus of the present invention includes a developing device bifunctioning as a cleaning device for collecting toner grains left on a photoconductive drum after the transfer of a toner image from the drum to a paper sheet or similar image transfer medium. In the event of toner collection, a DC voltage is applied that causes the residual toner to move from the drum toward a developing sleeve. A main-pole magnet generates, at a position where the developing sleeve faces the drum, a magnetic field of between 100 mT and 200 mT in a direction normal to the surface of the sleeve.

摘要翻译： 本发明的图像形成装置包括将调色剂图像从滚筒转印到纸张或类似的图像转印介质上之后作为用于收集留在感光鼓上的调色剂颗粒的清洁装置的显影装置。 在调色剂收集的情况下，施加直流电压，使得残留调色剂从鼓向显影套筒移动。 主极磁铁在垂直于套筒表面的方向上在显影套筒面向鼓的位置处产生介于100mT和200mT之间的磁场。

公开(公告)号：US07315711B2

公开(公告)日：2008-01-01

申请号：US11150299

申请日：2005-06-13

申请人： Osamu Ariizumi ,  Masahide Yamashita ,  Koji Suzuki ,  Yasushi Koichi ,  Shigekazu Enoki ,  Kumiko Hatakeyama ,  Koichi Kato ,  Toshiyuki Kabata ,  Jun Yura

发明人： Osamu Ariizumi ,  Masahide Yamashita ,  Koji Suzuki ,  Yasushi Koichi ,  Shigekazu Enoki ,  Kumiko Hatakeyama ,  Koichi Kato ,  Toshiyuki Kabata ,  Jun Yura

IPC分类号： G03G15/24 ,  G03G15/09

CPC分类号： G03G21/0064 ,  G03G2215/0119 ,  G03G2215/0607

摘要： An image forming apparatus of includes a developing device bifunctioning as a cleaning device for collecting toner grains left on a photoconductive drum after the transfer of a toner image from the drum to a paper sheet or similar image transfer medium. In the event of toner collection, a DC voltage is applied that causes the residual toner to move from the drum toward a developing sleeve. A main-pole magnet generates, at a position where the developing sleeve faces the drum, a magnetic field of between 100 mT and 200 mT in a direction normal to the surface of the sleeve.

摘要翻译： 一种图像形成装置，包括：将调色剂图像从滚筒转印到纸张或类似的图像转印介质上之后，作为用于收集留在感光鼓上的调色剂颗粒的清洁装置的显影装置。 在调色剂收集的情况下，施加直流电压，使得残留调色剂从鼓向显影套筒移动。 主极磁铁在垂直于套筒表面的方向上在显影套筒面向鼓的位置处产生介于100mT和200mT之间的磁场。

公开(公告)号：US20050141917A1

公开(公告)日：2005-06-30

申请号：US11002208

申请日：2004-12-03

申请人： Shigekazu Enoki ,  Koji Suzuki ,  Yasushi Koichi ,  Osamu Ariizumi ,  Kumiko Hatakeyama ,  Koichi Kato ,  Masahide Yamashita ,  Toshiyuki Kabata ,  Jun Yura

发明人： Shigekazu Enoki ,  Koji Suzuki ,  Yasushi Koichi ,  Osamu Ariizumi ,  Kumiko Hatakeyama ,  Koichi Kato ,  Masahide Yamashita ,  Toshiyuki Kabata ,  Jun Yura

IPC分类号： G03G9/08 ,  G03G15/02 ,  G03G15/06 ,  G03G15/08 ,  G03G21/00

CPC分类号： G03G21/0047 ,  G03G2215/0119 ,  G03G2221/0005

摘要： An image forming apparatus includes an image carrier, a charging device configured to uniformly charge a surface of the image carrier with a charging member applied with a bias of a first polarity (e.g. a negative polarity) for charging. A latent image forming device forms a latent image on the surface of the image carrier uniformly charged. A developing device develops a latent image by depositing toner grains of the first polarity on the latent image to thereby form a corresponding toner image. A transferring device forms an electric field between the image carrier and a moving member that serves as a movable contact with the image carrier to thereby transfer the toner image from the surface of the image carrier to the moving member or to a recording member nipped between the image carrier and the moving member. A polarity controlling device sets residual toner to a second polarity (e.g. a positive polarity) opposite to the first polarity, before the residual toner left on the image carrier by the transferring device is conveyed to a corresponding position to the charging member.

摘要翻译： 图像形成装置包括图像载体，充电装置，被配置为用施加有用于充电的第一极性（例如负极性）的偏置的充电部件对图像载体的表面进行均匀充电。 潜像形成装置在均匀充电的图像载体的表面上形成潜像。 显影装置通过在潜像上沉积第一极性的调色剂颗粒来形成潜像，从而形成相应的调色剂图像。 传送装置在图像载体和用作与图像载体的可动触点的移动部件之间形成电场，从而将调色剂图像从图像载体的表面转移到移动部件或夹在 图像载体和移动构件。 在通过转印装置留在图像载体上的剩余调色剂被传送到与充电部件相对应的位置之前，极性控制装置将残留调色剂设置为与第一极性相反的第二极性（例如正极性）。

公开(公告)号：US07499664B2

公开(公告)日：2009-03-03

申请号：US11018760

申请日：2004-12-22

申请人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

发明人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

IPC分类号： G03G15/30

CPC分类号： G03G21/0029 ,  G03G2221/183

摘要： A transfer residual toner that has not been electrostatically transferred onto a transfer paper P at a transfer nip and remains on a surface of a photosensitive element is temporarily retained by an elastic blade of a toner retaining unit in a mechanical manner before reaching a latent image forming area. When passing through the latent image forming area, the transfer residual toner is returned onto the surface of the photosensitive member at such a timing that writing is not performed by an exposing unit on the surface of the photosensitive element.

摘要翻译： 没有静电转印到转印纸上的转印残留调色剂，并保持在感光元件的表面上，在达到潜像形成之前，机械地由调色剂保持单元的弹性刮刀暂时保留 区。 当通过潜像形成区域时，转印残留调色剂在感光元件表面上的曝光单元不进行写入的时刻返回到感光部件的表面上。

公开(公告)号：US20050169668A1

公开(公告)日：2005-08-04

申请号：US11018760

申请日：2004-12-22

申请人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

发明人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

IPC分类号： G03G15/30 ,  G03G21/00

CPC分类号： G03G21/0029 ,  G03G2221/183

摘要： A transfer residual toner that has not been electrostatically transferred onto a transfer paper P at a transfer nip and remains on a surface of a photosensitive element is temporarily retained by an elastic blade of a toner retaining unit in a mechanical manner before reaching a latent image forming area. When passing through the latent image forming area, the transfer residual toner is returned onto the surface of the photosensitive member at such a timing that writing is not performed by an exposing unit on the surface of the photosensitive element.

摘要翻译： 没有静电转印到转印纸上的转印残留调色剂，并保持在感光元件的表面上，在达到潜像形成之前，机械地由调色剂保持单元的弹性刮刀暂时保留 区。 当通过潜像形成区域时，转印残留调色剂在感光元件表面上的曝光单元不进行写入的时刻返回到感光部件的表面上。

公开(公告)号：US07840152B2

公开(公告)日：2010-11-23

申请号：US12348094

申请日：2009-01-02

申请人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

发明人： Yasushi Koichi ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

IPC分类号： G03G15/00

CPC分类号： G03G21/0029 ,  G03G2221/183

摘要： A transfer residual toner that has not been electrostatically transferred onto a transfer paper P at a transfer nip and remains on a surface of a photosensitive element is temporarily retained by an elastic blade of a toner retaining unit in a mechanical manner before reaching a latent image forming area. When passing through the latent image forming area, the transfer residual toner is returned onto the surface of the photosensitive member at such a timing that writing is not performed by an exposing unit on the surface of the photosensitive element.

摘要翻译： 没有静电转印到转印纸上的转印残留调色剂，并保持在感光元件的表面上，在达到潜像形成之前，机械地由调色剂保持单元的弹性刮刀暂时保留 区。 当通过潜像形成区域时，转印残留调色剂在感光元件表面上的曝光单元不进行写入的时刻返回到感光部件的表面上。

公开(公告)号：US20090116863A1

公开(公告)日：2009-05-07

申请号：US12348094

申请日：2009-01-02

申请人： Yasushi KOICHI ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

发明人： Yasushi KOICHI ,  Koji Suzuki ,  Shigekazu Enoki ,  Osamu Ariizumi ,  Kumiko Hatakeyama

IPC分类号： G03G15/00

CPC分类号： G03G21/0029 ,  G03G2221/183

摘要： A transfer residual toner that has not been electrostatically transferred onto a transfer paper P at a transfer nip and remains on a surface of a photosensitive element is temporarily retained by an elastic blade of a toner retaining unit in a mechanical manner before reaching a latent image forming area. When passing through the latent image forming area, the transfer residual toner is returned onto the surface of the photosensitive member at such a timing that writing is not performed by an exposing unit on the surface of the photosensitive element.

摘要翻译： 没有静电转印到转印纸上的转印残留调色剂，并保持在感光元件的表面上，在达到潜像形成之前，机械地由调色剂保持单元的弹性刮刀暂时保留 区。 当通过潜像形成区域时，转印残留调色剂在感光元件表面上的曝光单元不进行写入的时刻返回到感光部件的表面上。

公开(公告)号：US07020421B2

公开(公告)日：2006-03-28

申请号：US10746060

申请日：2003-12-29

申请人： Shigekazu Enoki ,  Osamu Ariizumi ,  Hisao Kurosu ,  Shinichi Namekata

发明人： Shigekazu Enoki ,  Osamu Ariizumi ,  Hisao Kurosu ,  Shinichi Namekata

IPC分类号： G03G15/09

CPC分类号： G03G9/107 ,  G03G9/10 ,  G03G15/09

摘要： A two-component developer including toner and magnetic carriers is provided. The two-component developer is characterized in that when a development device including a developer bearing member bearing the two-component developer is operated under a development condition of an image forming apparatus using a quasi-photoconductor in which a 10 μm thick layer of tetrafluoroethylene resin is provided to a conductive material, the number of times of light emission occurring in a magnetic brush formed on the developer bearing member due to partial conduction in the magnetic brush is 10 times or less per second at an observation cross section that is perpendicular relative to a rotation axis of the developer bearing member.

公开(公告)号：US08346110B2

公开(公告)日：2013-01-01

申请号：US12859359

申请日：2010-08-19

申请人： Osamu Ariizumi

发明人： Osamu Ariizumi

IPC分类号： G03G15/06

CPC分类号： G03G15/5037 ,  G03G15/0887 ,  G03G15/0889

摘要： The image forming apparatus includes a photosensitive drum capable of bearing an electrostatic image, a development device having a developing sleeve capable of bearing a developer and a developer container capable of storing a magnetic toner, and a CPU controlling operation to discharge a developer having polarity opposite to a normally charged polarity to the photosensitive drum by enlarging a restoration electric field to force the developer having a normally charged polarity from the photosensitive drum to the development sleeve during image forming is not performed compared to that during normal image forming is performed, based on a weighted value (p×K) on an edge portion pixel number p of an edge portion of an output image.

摘要翻译： 图像形成装置包括能够承载静电图像的感光鼓，具有能够承载显影剂的显影套筒和能够存储磁性调色剂的显影剂容器的显影装置和用于将具有极性相反的显影剂排出的CPU控制操作 通过放大恢复电场来使正常充电的极性通过放大恢复电场，以在图像形成期间将来自感光鼓的具有正常带电极性的显影剂强制到显影套筒，与基于正常成像的图像相比，不进行基于 在输出图像的边缘部分的边缘部分像素数p上的加权值（p×K）。