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1. 发明授权

US06487384B2 Image forming electrophotography apparatus and magnetic developing unit 有权
标题翻译：图像形成电子照相设备和磁性显影单元
公开(公告)号：US06487384B2
公开(公告)日：2002-11-26
申请号：US09826943
申请日：2001-04-06
申请人： Hisao Okada , Hiroyuki Mabuchi , Teruaki Mitsuya , Shinya Kobayashi , Yasuo Takuma , Masayoshi Ishii , Hisayoshi Kato
发明人： Hisao Okada , Hiroyuki Mabuchi , Teruaki Mitsuya , Shinya Kobayashi , Yasuo Takuma , Masayoshi Ishii , Hisayoshi Kato
IPC分类号： G03G1509
CPC分类号： G03G13/013 , G03G2215/0174 , G03G2215/0495
摘要： In an image forming apparatus for charging a photosensitive body, changing the light exposure amount in at least three levels at exposure to light, thereby forming an electrostatic image made up of a high-potential part, a low-potential part, and an intermediate-potential part therebetween on the photosensitive body, and normally developing and inversely developing the electrostatic image using toners different in charge polarity for forming two types of toner images on the photosensitive body, a first developer used with a first toner image developing unit has electric resistance changed within 10% in the change range of applied voltage to the developer as the difference between a surface potential of the photosensitive body and a developing bias voltage.
摘要翻译：在用于对感光体充电的图像形成装置中，在曝光时将曝光量改变为至少三个等级，从而形成由高电位部分，低电位部分和中间电极部分构成的静电图像，在感光体上的潜在部分，并且使用不同于电荷极性的调色剂正常显影和反相显影静电图像，以在感光体上形成两种类型的调色剂图像，与第一调色剂图像显影单元一起使用的第一显影剂具有电阻改变在作为感光体的表面电位与显影偏压之间的差异的显影剂的施加电压的变化范围内的10％以内。

2. 发明授权

US06240270B1 Color image forming method and device using potential division development 有权
标题翻译：彩色图像形成方法和装置利用潜力划分开发
公开(公告)号：US06240270B1
公开(公告)日：2001-05-29
申请号：US09527676
申请日：2000-03-17
申请人： Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Koji Kato , Hisayoshi Kato
发明人： Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Koji Kato , Hisayoshi Kato
IPC分类号： G03G1508
CPC分类号： G03G15/0806 , G03G15/0126 , G03G2215/0624 , G03G2215/0648
摘要： A first developing unit comprising a plurality of developing rolls including a developing roll whose rotation direction is matched with the move direction of a photosensitive body and a developing roll whose rotation direction is made opposite to the move direction of the photosensitive body.
摘要翻译：第一显影单元包括多个显影辊，包括显影辊，其显影辊的旋转方向与感光体的移动方向相匹配，显影辊的旋转方向与感光体的移动方向相反。

3. 发明授权

US06131000A Electrophotographic printing apparatus using electric potential dividing development 有权
标题翻译：使用电位分割显影的电子照相印刷装置
公开(公告)号：US06131000A
公开(公告)日：2000-10-10
申请号：US208447
申请日：1998-12-10
申请人： Shinichi Akatsu , Teruaki Mitsuya , Kenichi Ito , Nobuyoshi Hoshi , Ryuuichi Shimizu , Hisao Okada , Hiroyuki Mabuchi , Masayoshi Ishii , Seiji Maruo
发明人： Shinichi Akatsu , Teruaki Mitsuya , Kenichi Ito , Nobuyoshi Hoshi , Ryuuichi Shimizu , Hisao Okada , Hiroyuki Mabuchi , Masayoshi Ishii , Seiji Maruo
IPC分类号： G03G15/01 , G03G15/00
CPC分类号： G03G15/011 , G03G2215/0495
摘要： An electrophotographic printing apparatus using electric potential dividing development processing without the occurrence of primary fringe and fringe caused by auxiliary exposure has reverse electric fields causing primary fringe and fringe caused by auxiliary exposure adjusted to be nearly equal to each other. The auxiliary exposure is applied to an area surrounding one image, and an electric potential of an intermediate electric potential zone is brought close to a bias electric potential of another image which is not subjected to auxiliary exposure. Further, a white portion to produce a reverse electric potential therein at the rear end of an electric potential portion to be developed with toner, relative to a rotating direction of a developing roller, is exposed with a light intensity forming an electric potential between an electric potential developing an image with toner and the intermediate electric potential, and portions at the front end and the sides are exposed with a light intensity forming the intermediate electric potential.
摘要翻译：使用电位分割显影处理而不发生由辅助曝光引起的初级边缘和边缘的电子照相打印设备具有引起辅助曝光引起的主要边缘和边缘的反向电场，其被调整为彼此几乎相等。辅助曝光被施加到一个图像周围的区域，并且中间电位区域的电位被接近不经过辅助曝光的另一图像的偏置电位。此外，相对于显影辊的旋转方向，在调色剂显影的电位部分的后端处产生反向电位的白色部分被曝光，该光强度在电气之间形成电位潜在地用调色剂显影图像和中间电位，并且以形成中间电位的光强度暴露前端和侧面的部分。

4. 发明授权

US06738586B2 Print control method of electrophotograph and image formation apparatus with potential sensor using the method 失效
标题翻译：使用该方法的电位传感器的电子照相和图像形成装置的打印控制方法
公开(公告)号：US06738586B2
公开(公告)日：2004-05-18
申请号：US10067766
申请日：2002-02-08
申请人： Keisuke Kubota , Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Shinichi Akatsu
发明人： Keisuke Kubota , Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Shinichi Akatsu
IPC分类号： G03G1500
CPC分类号： G03G15/5037 , G03G2215/00054
摘要： A print control method of an electrophotograph in an image formation apparatus including at least a photoconductor, a charger, a light exposure unit, and a developing device for forming a background area and an image area on the photoconductor using the charger and the light exposure unit and detecting a potential of the image area after transfer and controlling a developing electric field, thereby printing an electrophotograph, includes lowering the percentage of toner covering the image area on the photoconductor when the potential is detected.
摘要翻译：一种图像形成装置中的电子照相打印控制方法，该图像形成装置至少包括使用充电器和曝光单元的感光体，充电器，曝光单元和显影装置，用于形成背景区域和感光体上的图像区域并且在传送之后检测图像区域的电位并控制显影电场，从而打印电子照相，包括当检测到电位时，降低覆盖光电导体上的图像区域的调色剂的百分比。

5. 发明授权

US06684036B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06684036B2
公开(公告)日：2004-01-27
申请号：US10092522
申请日：2002-03-08
申请人： Keisuke Kubota , Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Shinichi Akatsu
发明人： Keisuke Kubota , Teruaki Mitsuya , Hiroyuki Mabuchi , Masayoshi Ishii , Shinichi Akatsu
IPC分类号： G03G1500
CPC分类号： G03G15/5037 , G03G15/065 , G03G2215/00054
摘要： An image forming apparatus restricts disturbance of a potential patch in the case where a potential sensor for detecting the potential patch is provided downstream of a developing device of a multiple developing roller type so as to enable stable reproduction of a high quality image for a long period. The apparatus includes a potential sensor provided downstream in the moving direction of the image carrier relative to the developing device for detecting a potential on the image carrier, and a controller for setting the developing bias to a value restricting disturbance of a potential portion as an object for potential detection by the potential sensor by the developer when the potential portion passes across the developing device.
摘要翻译：在用于检测电位贴片的潜在传感器设置在多重显影辊型的显影装置的下游的情况下，图像形成装置限制电位贴片的干扰，以便能够长期稳定再现高品质图像。该装置包括相对于显影装置在图像载体的移动方向下游设置用于检测图像载体上的电位的电位传感器，以及用于将显影偏压设定为限制作为对象的电位部分的干扰的值的控制器用于当潜在部分穿过显影装置时由显影剂通过潜在的传感器进行潜在的检测。

6. 发明授权

US07090956B2 Image forming method and image forming apparatus 有权
标题翻译：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。

7. 发明授权

US06829449B2 Image forming apparatus with transfer bias inverting function 有权
标题翻译：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。

8. 发明授权

US06813462B2 Electro-photographic developing unit 失效
标题翻译：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。

9. 发明授权

US06792235B2 Electrophotographic apparatus including transferring device 失效
标题翻译：电子照相设备包括转印装置
公开(公告)号：US06792235B2
公开(公告)日：2004-09-14
申请号：US10189624
申请日：2002-07-08
申请人： Keisuke Kubota , Masayoshi Ishii , Teruaki Mitsuya , Hideki Ando
发明人： Keisuke Kubota , Masayoshi Ishii , Teruaki Mitsuya , Hideki Ando
IPC分类号： G03G1516
CPC分类号： G03G15/6535 , G03G15/1635
摘要： A transfer flow-in current which flows from a transferring device into an image carrier, a separation flow-in current which flows from a separating device into the image carrier, an aperture width in the recording member transporting direction of an aperture of the transferring device, and an aperture width in the recording member transporting direction of an aperture of the separating device are set so as to have the relationship: separation flow-in current=transfer flow-in current×(transfer aperture width/separation aperture width).
摘要翻译：从转印装置流入图像载体的转移流入电流，从分离装置流入图像载体的分离流入电流，转印装置的孔径的记录部件输送方向的开口宽度并且分离装置的孔径的记录部件传送方向上的孔径宽度被设定为具有分离流入电流=转印流入电流×（转印孔径宽度/分离孔径宽度）的关系。

10. 发明授权

US06760553B2 Electrophotographic cluster printing system with controlled image quality 有权
标题翻译：具有受控影像质量的电子照相丛集打印系统
公开(公告)号：US06760553B2
公开(公告)日：2004-07-06
申请号：US10329756
申请日：2002-12-27
申请人： Teruaki Mitsuya , Keisuke Kubota , Masayoshi Ishii , Shintaro Yamada
发明人： Teruaki Mitsuya , Keisuke Kubota , Masayoshi Ishii , Shintaro Yamada
IPC分类号： G03G1500
CPC分类号： G03G15/00 , G03G2215/00016
摘要： An electrophotographic cluster printing system for performing printing by using a plurality of electrophotographic recording apparatuses such as printers, facsimile machines or copying machines each capable of manifesting an image by using colored particles such as toner. The electrophotographic cluster printing system includes a plurality of electrophotograhic recording apparatuses each including a photoconductor, a charger, an exposure device, a developing device, and an image quality controller for detecting a factor concerning image quality and controlling image quality of an output image on the basis of information of the detected factor. In the system, at least two of the electrophotograhic recording apparatuses is used for printing one job and image quality of any one of the electrophotograhic recording apparatuses is controlled on the basis of detected information of the other electrophotograhic recording apparatuses.
摘要翻译：一种用于通过使用诸如打印机，传真机或复印机的多个电子照相记录装置进行打印的电子照相丛集打印系统，每个都能够通过使用诸如调色剂的着色颗粒来显示图像。电子照相丛集印刷系统包括多个电子照相记录装置，每个电子照相记录装置包括感光体，充电器，曝光装置，显影装置和图像质量控制器，用于检测关于图像质量的因素并控制输出图像的图像质量检测因子信息的基础。在系统中，电子照相记录装置中的至少两个用于打印一个作业，并且基于其他电子照相记录装置的检测信息来控制电子照相记录装置中的任何一个的图像质量。

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