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1. 发明授权

EP2605074B1 Developing device, image forming apparatus and method of controlling developing device 有权
标题翻译：显影装置，图像形成装置和控制显影装置的方法
公开(公告)号：EP2605074B1
公开(公告)日：2018-05-02
申请号：EP12196689.9
申请日：2012-12-12
申请人： Kyocera Document Solutions Inc.
发明人： Fujihara, Kensuke , Watanabe, Akihiro , Fuchimoto, Nobuyuki
IPC分类号： G03G15/06
CPC分类号： G03G15/0907 , G03G15/065
摘要： A developing device includes a development roller (11), a magnetic roller (12), a transformer (83), a switching portion (81), output control portion (80) and a capacitor (82). The development roller (11) is opposite a photoconductor drum (42). The magnetic roller (12) performs, with a magnetic brush, the supply of a toner to the development roller (11) and the removal of the toner. The transformer (83) generates an alternating-current voltage applied to the development roller (11). The switching portion (81) passes and interrupts a current to the transformer (83). The output control portion (80) stepwise changes, when a duty ratio in switching is changed, the duty ratio a plurality of times from a first duty ratio to a second duty ratio. The capacitor (82) has one end connected to the transformer (83) and the other end connected to the switching portion (81).

2. 发明公开

EP3195063A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：开发设备和图像形成设备
公开(公告)号：EP3195063A1
公开(公告)日：2017-07-26
申请号：EP15842282.4
申请日：2015-08-31
申请人： Ricoh Company, Ltd.
发明人： IWATSUKI, Hitoshi , SAKATA, Koichi , TOHMATSU, Hiroshi , TANO, Toyoaki , MASHIKO, Kenichi , TAKII, Mariko , KISHIDA, Hiroyuki , MURASAWA, Yoshihiro , KONDOH, Keinosuke , KOIKE, Toshio , TAKAHASHI, Yutaka
IPC分类号： G03G15/09 , G03G9/10 , G03G9/113 , G03G15/06 , G03G15/08
CPC分类号： G03G15/0928 , G03G9/1136 , G03G9/1139 , G03G15/065 , G03G15/0907
摘要： A developing device, including: a developer containing toner and carrier; and developer bearer configured to have surface thereof bear the developer and endlessly move, and to develop latent image over surface of latent image bearer by supplying toner in developer to latent image in developing region facing the latent image bearer, wherein carrier contains fine particles, value X in volume resistivity R (=10X) (Ω·cm) of carrier is 11.5-16.0, developer bearer includes: magnetic field generating unit including a plurality of magnetic poles; and developing sleeve having a cylindrical shape enclosing magnetic field generating unit, and configured to bear developer over outer circumferential surface of cylindrical shape by magnetic force of the magnetic field generating unit and perform surface moving by rotating relative to developing device body, and developing device includes developing sleeve voltage applying unit configured to apply AC component-containing voltage to developing sleeve.
摘要翻译：一种显影装置，包括：含有调色剂和载体的显影剂; 以及显影剂承载体，其构造为使其表面承载显影剂并且无限移动，并且通过将显影剂中的调色剂供给到面向潜像承载体的显影区域中的潜像而在潜像承载体的表面上显影潜像，其中载体包含微粒，载体的体积电阻率R（= 10X）（Ω·cm）中的X为11.5-16.0，显影剂载体包括：包括多个磁极的磁场产生单元; 以及显影套筒，其具有包围磁场产生单元的圆筒形状，并且被配置为通过所述磁场产生单元的磁力将显影剂承载在圆筒形状的外周面上，并且通过相对于显影装置本体旋转来执行表面移动，并且显影装置包括显影套筒电压施加单元，其被配置为向显影套筒施加包含AC分量的电压。

3. 发明公开

EP2905659A3 Developing device and image forming apparatus and process cartridge incorporating same 有权
标题翻译：显影装置及图像形成装置以及处理卡盒
公开(公告)号：EP2905659A3
公开(公告)日：2015-09-02
申请号：EP15152870.0
申请日：2015-01-28
申请人： Ricoh Company, Ltd.
发明人： Kondoh, Keinosuke , Tsuda, Kiyonori , Takahashi, Yutaka , Mikuniya, Kentaro , Koike, Toshio , Shiraishi, Emiko
IPC分类号： G03G15/06 , G03G15/09
CPC分类号： G03G15/0921 , G03G15/065 , G03G15/0907
摘要： A developing device (5) includes a developer bearer (50) to carry, by rotation, developer including toner and magnetic carrier to a development range facing a latent image bearer (1) to bear a latent image. The developer bearer (50) includes a magnetic field generator (55) having multiple magnetic poles (P1, P2, P3, P4, P5) and a cylindrical developing sleeve (51) to rotate and bear developer on an outer circumferential surface thereof with magnetic force of the magnetic field generator (55) disposed inside the developing sleeve (51). The developing sleeve (51) receives development voltage including an AC component having a frequency of 2.0 kHz or lower, and a duty ratio of a component having a polarity opposite a toner normal charge polarity of the AC component is within a range from 4% to 20%.

4. 发明授权

EP1209538B1 Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member 有权
标题翻译：电接触元件，显影装置，处理盒和电子照相成像设备具有该电接触元件
公开(公告)号：EP1209538B1
公开(公告)日：2011-05-18
申请号：EP01128127.6
申请日：2001-11-27
申请人： CANON KABUSHIKI KAISHA
发明人： Oguma, Toru, Canon Kabushiki Kaisha , Watanabe, Kazushi, Canon Kabushiki Kaisha , Karakama, Toshiyuki, Canon Kabushiki Kaisha
IPC分类号： G03G15/06
CPC分类号： G03G21/1814 , G03G15/0907 , G03G21/1652 , G03G21/1676 , G03G21/1867 , G03G2221/166 , G03G2221/183

5. 发明公开

EP1367456A3 Image forming apparatus 审中-公开
公开(公告)号：EP1367456A3
公开(公告)日：2009-08-26
申请号：EP03018867.6
申请日：1998-10-07
申请人： CANON KABUSHIKI KAISHA
发明人： Shinohara, Seiichi , Kato, Junichi , Inami, Satoru , Yoshida, Masahiro , Nakazono, Yusuke
IPC分类号： G03G15/08 , G03G15/09 , G03G15/06
CPC分类号： G03G15/0907 , G03G15/065 , G03G2215/0602 , G03G2215/0614
摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developer carrying member for carrying a developer and for forming a developing zone with the image bearing member, wherein the developer is externally added with additive having a charging polarity opposite from that of the developer; voltage applying means for applying a developing voltage to the developer carrying member; voltage control means for controlling the developing voltage so as to change force for directing the additive toward a non-image portion of the image bearing member in accordance with a number of image forming operations.

6. 发明公开

EP1662328A3 Image Forming Method and Image Forming Apparatus 有权
标题翻译：成像方法和成像设备
公开(公告)号：EP1662328A3
公开(公告)日：2009-03-11
申请号：EP05109956.2
申请日：2005-10-25
申请人： KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
发明人： Itami, Akihiko Konica Minolta Business Tec., Inc. , Asano, Masao , Yamazaki, Hiroshi Konica Minolta Business Tec. Inc , Shigeta, Kunio Konica Minolta Business Tec., Inc.
IPC分类号： G03G9/08 , G03G15/00 , G03G21/00
CPC分类号： G03G9/0819 , G03G9/0821 , G03G15/0907
摘要： A toner image is formed while a developing sleeve is rotated in a direction counter to that of an organic photoreceptor at the developing section and a developing agent contains toner which contains toner particles having a particle diameter of 0.7x(Dp50) or less in an amount of 8 number% or less and has water content of 0.1 to 2.0 mass% under an environment of 30°C and 80 %RH, where Dp50 represents 50 number% particle diameter of toner particles.
摘要翻译：在显影套筒沿着与显影部分处的有机感光体的方向相反的方向旋转时形成调色剂图像，并且显影剂包含含有调色剂颗粒的调色剂，所述调色剂颗粒的粒径为0.7×（Dp50）或更小，为8个数％以下，并且在30℃和80％RH的环境下具有0.1至2.0质量％的水含量，其中Dp50表示50个数％的调色剂颗粒粒径。

7. 发明公开

EP1764659A2 Particle separating means in developing device for image forming apparatus using two-component developer comprising additives 有权
标题翻译：在显影装置中使用的图像形成装置的颗粒分离器，其与添加剂的双组分显影剂
公开(公告)号：EP1764659A2
公开(公告)日：2007-03-21
申请号：EP06019262.2
申请日：2006-09-14
申请人： KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
发明人： Uetake, Shigeo Konica Minolta Techn. Center, Inc. , Nagatomo, Yuji Konica Minolta Techn. Center, Inc. , Hirayama, Junya Konica Minolta Techn. Center, Inc. , Maeyama, Takeshi Konica Minolta Techn. Center Inc. , Matsuura, Masahiko Konica Minolta Techn. Ctre Inc. , Natsuhara, Toshiya Konica Minolta Techn. Ctre, Inc
IPC分类号： G03G15/09 , G03G15/08
CPC分类号： G03G15/0907 , G03G15/0808 , G03G2215/0607
摘要： A developing device (2a), which is provided with: a developer tank (16) that houses a developer (24) containing a toner, a carrier for charging the toner and reverse polarity particles that are charged with a polarity reversed to the electrostatic charge polarity of the toner by the carrier; a developer-supporting member (11) that supports the developer supplied from the developer tank on the surface thereof, and transports the developer; and a separating mechanism (22) that separates the toner or the reverse polarity particles from the developer supported on the developer-supporting member, and the reverse polarity particles are collected into the developer tank, is provided, and an image-forming apparatus having such a developing device and an image-forming method applied thereto are also provided.
摘要翻译：其设置有一种显影装置（2a）中，全部：显影槽（16）做了房屋含有调色剂，对充电的调色剂和反向极性的颗粒的载体没有被充电时反转所述的静电荷的极性的显影剂（24）由载体的调色剂的极性; 显影剂支承体（11）做了支持从在其表面上的显影剂槽供给的显影剂，并传送显影剂; 和分离机构（22）做了分离的调色剂或从支撑在显影剂承载体上的显影剂相反极性的颗粒，并且被收集到显影槽的反向极性的颗粒，被提供，并且在研究了一种图像形成装置因此一个被提供显影装置和施加于其上的图像形成方法。

8. 发明授权

EP0908792B1 Image forming apparatus 有权
公开(公告)号：EP0908792B1
公开(公告)日：2004-05-19
申请号：EP98118956.6
申请日：1998-10-07
申请人： CANON KABUSHIKI KAISHA
发明人： Shinohara, Seiichi , Kato, Junichi , Inami, Satoru , Yoshida, Masahiro , Nakazono, Yusuke
IPC分类号： G03G15/08 , G03G15/09 , G03G15/06
CPC分类号： G03G15/0907 , G03G15/065 , G03G2215/0602 , G03G2215/0614

9. 发明公开

EP0851314A2 An image forming apparatus 失效
标题翻译：一种图像形成设备
公开(公告)号：EP0851314A2
公开(公告)日：1998-07-01
申请号：EP97122775.6
申请日：1997-12-23
申请人： CANON KABUSHIKI KAISHA
发明人： Inoue, Masahiro , Kobayashi, Toshiaki , Waki, Kenichiro , Hibino, Masaru
IPC分类号： G03G15/09
CPC分类号： G03G15/065 , G03G15/0907 , G03G2215/0609
摘要： An image forming apparatus includes an image bearing member for carrying an electrostatic image, the surface layer having a volume resistivity of 10 9 -10 13 Ω.cm; developing means for developing the electrostatic image on the image bearing member with a developer comprising toner and a carrier having a volume resistivity value of 10 6 -10 10 Ω.cm, while contacting chains of the carrier to the image bearing member, the developing means including a developer carrying member, opposed to the image bearing member, for carrying the developer and electric field forming means for forming an alternating electric field between the image bearing member and the developer carrying member; wherein the following is satisfied: 5x10 -5 1 -4 (sec); 5x10 -5 2 -4 (sec);

where T 1 is a time duration in which the toner receives force away from the image bearing member toward the developer carrying member; T 2 is a time duration in which the toner receives force away from the developer carrying member toward the image bearing member.
摘要翻译：一种图像形成设备，包括：图像承载部件，用于承载静电图像，所述表面层具有109-1013Ω.cm的体积电阻率; 显影装置，用于在载体的链与载像元件接触的同时，用包含调色剂和体积电阻率值为106-1010Ω.cm的载体的显影剂使图像承载元件上的静电图像显影，所述显影装置包括显影剂与图像承载部件相对，用于承载显影剂和电场形成装置，用于在图像承载部件和显影剂承载部件之间形成交变电场; 其中满足以下条件：5×10-5

10. 发明授权

EP0549400B1 Developing apparatus and process cartridge having same 失效
标题翻译：处理器及装备处理单元
公开(公告)号：EP0549400B1
公开(公告)日：1997-06-04
申请号：EP92403375.6
申请日：1992-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Nomura, Yoshiya, c/o Canon Kabushiki Kaisha , Isobe, Hironobu, c/o Canon Kabushiki Kaisha , Shishido, Kazuo, c/o Canon Kabushiki Kaisha , Miura, Kouji, c/o Canon Kabushiki Kaisha
IPC分类号： G03G15/09 , G03G15/00 , G03G15/08
CPC分类号： G03G21/1867 , G03G15/0907 , G03G15/0921 , G03G2221/163 , G03G2221/1654 , G03G2221/166 , G03G2221/1669

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