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1. 发明授权

US5884131A Developing device which accomplishes development using the action of an alternating current field between a developer-carrying member and an image-carrying member 失效
标题翻译：使用显影剂承载构件和图像承载构件之间的交流场的动作来实现显影的显影装置
公开(公告)号：US5884131A
公开(公告)日：1999-03-16
申请号：US25145
申请日：1998-02-18
申请人： Tamotsu Shimizu , Yoshiyuki Iguchi , Yoshio Sakagawa
发明人： Tamotsu Shimizu , Yoshiyuki Iguchi , Yoshio Sakagawa
IPC分类号： G03G15/06 , G03G15/08
CPC分类号： G03G15/065
摘要： A developing device capable stable production of halftone image having excellent texture while maintaining suitable image density by utilizing an AC electric field between a developer-carrying member and an image-carrying member and providing a rest period wherein the AC electric field is not active so as to develop electrostatic latent image formed on the image carrying member.
摘要翻译：一种显影装置，能够通过利用显影剂承载构件和图像承载构件之间的交流电场并提供静电期，其中交流电场不起作用，能够稳定地生产具有优异结构的半色调图像，同时保持合适的图像浓度，以形成形成在图像承载构件上的静电潜像。

2. 发明授权

US5999782A Developing device having an AC current with two frequencies and method of using same 失效
标题翻译：具有两个频率的交流电流的显影装置及其使用方法
公开(公告)号：US5999782A
公开(公告)日：1999-12-07
申请号：US115509
申请日：1998-07-15
申请人： Yoshiyuki Iguchi , Yoshio Sakagawa , Tamotsu Shimizu
发明人： Yoshiyuki Iguchi , Yoshio Sakagawa , Tamotsu Shimizu
IPC分类号： G03G15/06 , G03G15/08 , G03G15/09
CPC分类号： G03G15/065 , G03G2215/0609
摘要： A developing device capable of producing images having excellent image density and texture without density irregularities, which includes a developer carrier disposed opposite the image carrier and transporting a developer hell on its surface to a developing region and a voltage supplying unit which applies an alternating current voltage to the developer carrier, the alternating current voltage having a first frequency during a first action period and a second frequency during a second action period, the first action period and the second action period being alternately repeated, the second frequency being higher than the first frequency.
摘要翻译：一种显影装置，其能够产生具有优异图像密度和纹理的图像，而没有密度不均匀，其包括与图像载体相对设置的显影剂载体并将其表面上的显影剂地狱输送到显影区域;以及电压供应单元，其施加交流电压对于开发者载体，在第一动作期间具有第一频率的交流电压和在第二动作期间的第二频率，所述第一动作期间和所述第二动作期间交替重复，所述第二频率高于所述第一频率。

3. 发明授权

US08639167B2 Developing device and image forming device 有权
标题翻译：显影装置和成像装置
公开(公告)号：US08639167B2
公开(公告)日：2014-01-28
申请号：US13173928
申请日：2011-06-30
申请人： Kanji Nakayama , Masayasu Haga , Tomohisa Yoshida , Wataru Onoda , Yoshiyuki Iguchi , Noboru Ito
发明人： Kanji Nakayama , Masayasu Haga , Tomohisa Yoshida , Wataru Onoda , Yoshiyuki Iguchi , Noboru Ito
IPC分类号： G03G15/095 , G03G15/08
CPC分类号： G03G15/081 , G03G15/0812 , G03G15/09
摘要： A two-component developing device using a developer containing toner and magnetic carrier particles. The developing device comprises a housing, a developing roller, a magnetic field generator mounted inside the developing roller, and a developer restricting member, and further comprises a developer guide member providing a developer guide path for guiding the developer to the developer amount restricting clearance, providing a developer circulation path for circulating the developer to an upstream end of the guide member, and providing a communication path for bringing the developer guide path into communication with the developer circulation path, an upstream end of the guide member being positioned above the position of a peak of magnetic flux density of the magnetic pole of the magnetic field generator which is closest to a low-magnetic force area downstream of the low-magnetic force area or positioned upstream of such a position and downstream of the low-magnetic force area. An image forming device in which such a two-component developing device is employed as at least one developing device.
摘要翻译：一种使用含有调色剂和磁性载体颗粒的显影剂的双组分显影装置。显影装置包括壳体，显影辊，安装在显影辊内部的磁场发生器和显影剂限制构件，并且还包括显影剂引导构件，显影剂引导构件提供用于将显影剂引导至显影剂量限制间隙的显影剂引导路径，提供用于使显影剂循环到引导构件的上游端的显影剂循环路径，并且提供用于使显影剂引导路径与显影剂循环路径连通的连通路径，引导构件的上游端位于磁场发生器的磁极的磁通密度的峰值最靠近低磁力区域下游的低磁力区域或者位于低磁力区域的这个位置的下游。使用这种双组分显影装置作为至少一个显影装置的图像形成装置。

4. 发明授权

US5815781A Development device 失效
标题翻译：开发设备
公开(公告)号：US5815781A
公开(公告)日：1998-09-29
申请号：US877818
申请日：1997-06-18
申请人： Yoshiyuki Iguchi
发明人： Yoshiyuki Iguchi
IPC分类号： G03G15/09
CPC分类号： B82Y15/00 , G03G15/09 , G03G15/0928
摘要： A development device of this invention includes a developer carrier for transporting a developer to a development region opposite to an image bearing body as binding the developer thereto by means of a magnetic force, and a regulating member opposing the developer carrier across a required distance therebetween and regulating the amount of developer transported by the developer carrier to the development region, the regulating member having a greater roughness at its surface opposite to the developer carrier than the developer carrier.
摘要翻译：本发明的显影装置包括用于将显影剂输送到与图像承载体相对的显影区域的显影剂载体，用于通过磁力将显影剂与其结合;以及调节构件，其与显影剂载体间隔着所需的距离，调节由显影剂载体输送到显影区域的显影剂的量，调节构件在其与显影剂载体相对的表面处具有比显影剂载体更大的粗糙度。

5. 发明申请

US20120003014A1 DEVELOPING DEVICE AND IMAGE FORMING DEVICE 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：US20120003014A1
公开(公告)日：2012-01-05
申请号：US13173928
申请日：2011-06-30
申请人： Kanji NAKAYAMA , Masayasu Haga , Tomohisa Yoshida , Wataru Onoda , Yoshiyuki Iguchi , Noboru Ito
发明人： Kanji NAKAYAMA , Masayasu Haga , Tomohisa Yoshida , Wataru Onoda , Yoshiyuki Iguchi , Noboru Ito
IPC分类号： G03G15/09
CPC分类号： G03G15/081 , G03G15/0812 , G03G15/09
摘要： A two-component developing device using a developer containing toner and magnetic carrier particles. The developing device comprises a housing, a developing roller, a magnetic field generator mounted inside the developing roller, and a developer restricting member, and further comprises a developer guide member providing a developer guide path for guiding the developer to the developer amount restricting clearance, providing a developer circulation path for circulating the developer to an upstream end of the guide member, and providing a communication path for bringing the developer guide path into communication with the developer circulation path, an upstream end of the guide member being positioned above the position of a peak of magnetic flux density of the magnetic pole of the magnetic field generator which is closest to a low-magnetic force area downstream of the low-magnetic force area or positioned upstream of such a position and downstream of the low-magnetic force area. An image forming device in which such a two-component developing device is employed as at least one developing device.
摘要翻译：一种使用含有调色剂和磁性载体颗粒的显影剂的双组分显影装置。显影装置包括壳体，显影辊，安装在显影辊内部的磁场发生器和显影剂限制构件，并且还包括显影剂引导构件，显影剂引导构件提供用于将显影剂引导至显影剂量限制间隙的显影剂引导路径，提供用于使显影剂循环到引导构件的上游端的显影剂循环路径，并且提供用于使显影剂引导路径与显影剂循环路径连通的连通路径，引导构件的上游端位于磁场发生器的磁极的磁通密度的峰值最靠近低磁力区域下游的低磁力区域或者位于低磁力区域的这个位置的下游。使用这种双组分显影装置作为至少一个显影装置的图像形成装置。

6. 发明授权

US5860040A Developing apparatus having stop period during which no AC electric field is exerted between developer carrying member and image carrying member 失效
标题翻译：显影装置具有在显影剂承载构件和图像承载构件之间没有施加AC电场的停止时段
公开(公告)号：US5860040A
公开(公告)日：1999-01-12
申请号：US921339
申请日：1997-08-29
申请人： Tamotsu Shimizu , Yoshiyuki Iguchi , Yoshio Sakagawa
发明人： Tamotsu Shimizu , Yoshiyuki Iguchi , Yoshio Sakagawa
IPC分类号： G03G15/06 , G03G15/08
CPC分类号： G03G15/065 , G03G2215/0609 , G03G2215/0634
摘要： A developing apparatus is so adapted that in performing development upon converting a developer to a developing area opposite to an image carrying member by a developer carrying member with the developer held on the surface of the developer carrying member as well as alternately repeating an exertion period during which an AC electric field is exerted between the developer carrying member and the image carrying member and a stop period during which no AC electric field is exerted, the AC electric field is exerted in such a manner that the directions of the first and last electric field portions of the AC electric field in one exertion period are the same, and the direction of the last electric field portion of the AC electric field in the exertion period and the direction of the first electric field portion of the AC electric field in the subsequent exertion period after an elapse of the stop period are the same.
摘要翻译：显影装置适于在显影剂将显影剂转印到显影剂承载构件的与显像剂承载构件相对的显影区域时进行显影，显影剂承载构件保持在显影剂承载构件的表面上，并且交替重复使用期间在显影剂承载构件和图像承载构件之间施加AC电场以及没有施加AC电场的停止时段，AC电场以这样的方式施加，使得第一和最后电场的方向一个使用周期中的交流电场的一部分是相同的，并且在随后的运行中，使用周期中的交流电场的最后一个电场部分和交流电场的第一电场部分的方向经过一段时间后，停车期是相同的。

7. 发明授权

US6136487A Developing method 失效
标题翻译：开发方法
公开(公告)号：US6136487A
公开(公告)日：2000-10-24
申请号：US818790
申请日：1997-03-14
申请人： Tamotsu Shimizu , Noboru Ito , Yoshio Sakagawa , Yoshiyuki Iguchi
发明人： Tamotsu Shimizu , Noboru Ito , Yoshio Sakagawa , Yoshiyuki Iguchi
IPC分类号： G03G13/09
CPC分类号： G03G13/09
摘要： In a developing method of exposing the surface of a charged image carrying member to form an electrostatic latent image on the surface of the image carrying member, while conveying a developer containing toners and carriers to a developing region opposite to the image carrying member having the electrostatic latent image formed thereon by a developer conveying member, and applying at least an AC voltage between the image carrying member and the developer conveying member in the developing region, to develop the electrostatic latent image formed on the image carrying member, the relationship among an initial surface potential V0 at the image carrying member, a surface potential Vir at an exposed portion of the image carrying member, a peak-to-peak value Vp-p of the AC voltage applied between the image carrying member and the developer conveying member in the developing region, and a distance Ds (mm) between the image carrying member and the developer conveying member in the developing region satisfies the following condition:.vertline.V0-Vir.vertline./(Vp-p/Ds)
摘要翻译：在使带电图像承载构件的表面露出以在图像承载构件的表面上形成静电潜像的显影方法中，同时将含有调色剂和载体的显影剂输送到与具有静电的图像承载构件相对的显影区域通过显影剂输送构件在其上形成的潜像，并且在显影区域中的图像承载构件和显影剂输送构件之间施加至少一个AC电压，以形成形成在图像承载构件上的静电潜像，初始图像承载构件的表面电位V0，图像承载构件的暴露部分的表面电位Vir，施加在图像承载构件和显影剂输送构件之间的AC电压的峰 - 峰值Vp-p 显影区域，以及图像承载部件和显影剂传送部件之间的距离Ds（mm）满足以下条件：| V0-Vir | /（Vp-p / Ds）<0.08（mm）

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