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1. 发明授权

US06295432B1 Image forming apparatus having an injection charging system and a two component contact development device 失效
标题翻译：具有注射充电系统和双组分接触显影装置的图像形成装置
公开(公告)号：US06295432B1
公开(公告)日：2001-09-25
申请号：US08997530
申请日：1997-12-23
申请人： Masahiro Inoue , Yoshiaki Kobayashi , Kenichiro Waki , Masaru Hibino
发明人： Masahiro Inoue , Yoshiaki Kobayashi , Kenichiro Waki , Masaru Hibino
IPC分类号： G03G1500
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, a contact charger for electrically charging the image bearing member while contacting to a surface of the image bearing member, the contact charger forming an oscillating electric field having a frequency of 100-600 Hz; a developer for developing the electrostatic image on the image bearing member with a developer comprising toner and a carrier having a volume resistivity value of 106-1010 &OHgr;.cm, while contacting chains of the carrier to the image bearing member, the developer including a developer carrying member, opposed to the image bearing member, for carrying the developer and electric field forming device for forming an alternating electric filed between the image bearing member and the developer carrying member; wherein the following relationship are satisfied: 5×10−5
摘要翻译：图像形成装置包括用于承载静电图像的图像承载部件，用于在与图像承载部件的表面接触的同时对图像承载部件进行充电的接触充电器，接触充电器形成频率为100- 600 Hz; 显影剂，其用包含调色剂的显影剂和体积电阻率值为106-1010欧姆·厘米的载体在图像承载部件上显影静电图像，同时使载体的链与图像承载部件接触，显影剂包括显影剂承载构件，与图像承载构件相对，用于承载用于在图像承载构件和显影剂承载构件之间形成交变电场的显影剂和电场形成装置; 其中满足以下关系：其中T1是调色剂从图像承载部件朝向显影剂承载部件接收力的持续时间; 并且其中T2是调色剂从显影剂承载构件朝向图像承载部件接收力的持续时间。

2. 发明授权

US5438394A Image forming apparatus usable with a carrier having magnetization controlled in relation to recording density 失效
标题翻译：图像形成装置可用于与记录密度相关的磁化控制的载体
公开(公告)号：US5438394A
公开(公告)日：1995-08-01
申请号：US83899
申请日：1993-06-29
申请人： Hiroyuki Suzuki , Yukio Nagase , Kenichiro Waki , Kazuhisa Kemmochi , Masaru Hibino
发明人： Hiroyuki Suzuki , Yukio Nagase , Kenichiro Waki , Kazuhisa Kemmochi , Masaru Hibino
IPC分类号： G03G9/107 , G03G13/09 , G03G15/09
CPC分类号： G03G9/107 , G03G13/09
摘要： An image forming apparatus includes an image bearing member; a latent image forming device for forming on the image bearing member a dot distribution electrostatic latent image in accordance with image signals corresponding to an object image; a developing device for developing the latent image formed on the image bearing member by the latent image forming device, in a developing station and by a developer containing toner and magnetic carrier; wherein the developing device includes a developer carrying member for carrying and conveying the developer to the developing station, and a magnetic field generating device provided within the developer carrying member, for forming a magnetic brush of the developer and contacting the magnetic brush to the image bearing member; and wherein a degree .sigma.d (emu/cm.sup.3) of magnetization of the magnetic carrier by a magnetic field by the magnetic field generating means at a peak of a perpendicular magnetic field on the surface of the developer carrying member satisfies the following:if X
摘要翻译：图像形成装置包括：图像承载部件; 潜像形成装置，用于根据与对象图像相对应的图像信号在图像承载部件上形成点分布静电潜像; 显影装置，用于通过潜像形成装置在显影站和由含有调色剂和磁性载体的显影剂显影在图像承载部件上形成的潜像; 其中显影装置包括用于将显影剂运送和传送到显影站的显影剂承载构件和设置在显影剂承载构件内的磁场产生装置，用于形成显影剂的磁刷并使磁刷与图像承载件接触会员; 并且其中由所述磁场产生装置在所述显影剂承载构件的表面上的垂直磁场的峰值处的所述磁性载体由磁场的磁化度的σd（emu / cm 3）满足以下条件： 200，则如果X> / = 200，则为30≤x= 15000 / X，则30是静电潜像中每平方毫米的像素数，不低于60，不超过1000。

3. 发明授权

US5576812A Developing method with carrier chains contacted to image bearing member 失效
标题翻译：载体链与图像承载部件接触的显影方法
公开(公告)号：US5576812A
公开(公告)日：1996-11-19
申请号：US314303
申请日：1994-09-30
申请人： Masaru Hibino , Yukio Nagase , Kenichiro Waki , Hiroyuki Suzuki
发明人： Masaru Hibino , Yukio Nagase , Kenichiro Waki , Hiroyuki Suzuki
IPC分类号： B41J2/385 , G03G15/06 , G03G15/09
CPC分类号： G03G15/0921
摘要： A developing method includes forming a magnetic field between an image bearing member bearing an electrostatic image and a developer carrying member carrying a developer comprising toner particles and carrier particles; and contacting chains of carrier particles formed on the developer carrying member to the image bearing member; wherein an absolute value of an intensity of a magnetic field in a movement direction of the developer carrying member over the entire portion of the developer carrying member at a position where the carrier is contacted to the image bearing member is positive.
摘要翻译：显影方法包括在承载静电图像的图像承载部件和承载包含调色剂颗粒和载体颗粒的显影剂的显影剂承载部件之间形成磁场; 并将形成在显影剂承载构件上的载体颗粒的链接到图像承载构件; 其中显影剂承载构件在载体与图像承载构件接触的位置的整个部分上的移动方向上的磁场强度的绝对值为正。

4. 发明授权

US5459559A Magnetic brush developing method using a two-component developer 失效
标题翻译：使用双组分显影剂的磁刷显影方法
公开(公告)号：US5459559A
公开(公告)日：1995-10-17
申请号：US318298
申请日：1994-10-05
申请人： Yukio Nagase , Kenichiro Waki , Hiroyuki Suzuki , Masaru Hibino
发明人： Yukio Nagase , Kenichiro Waki , Hiroyuki Suzuki , Masaru Hibino
IPC分类号： G03G15/09 , G03G13/09
CPC分类号： G03G13/09
摘要： A developing method for developing an electrostatic image on an image bearing member with a two-component developer includes the steps of bearing a developer containing toner particles and carrier particles on a developer bearing member to a contact region formed between the developer bearing member and an image bearing member bearing an electrostatic image thereon, and rubbing the image bearing member with the magnetic brush with a contact pressure equal to 0.7 gf/cm.sup.2 or less.
摘要翻译：使用双组分显影剂在图像承载部件上显影静电图像的显影方法包括以下步骤：在显影剂承载部件上承载含有调色剂颗粒和载体颗粒的显影剂到形成在显影剂承载部件和图像之间的接触区域承载构件，其上具有静电图像，并且用磁刷摩擦图像承载构件，接触压力等于0.7gf / cm 2以下。

5. 发明授权

US06304738B1 Image forming apparatus wherein toner in a developing device toner and toner on an image bearing member satisfy a prescribed weight average diameter relationship 有权
标题翻译：图像形成装置，其中显影调色剂中的调色剂和图像承载部件上的调色剂满足规定的重均直径关系
公开(公告)号：US06304738B1
公开(公告)日：2001-10-16
申请号：US09503194
申请日：2000-02-14
申请人： Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida , Ichiro Ozawa
发明人： Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida , Ichiro Ozawa
IPC分类号： G03G1530
CPC分类号： G03G13/09 , G03G9/0819 , G03G15/065
摘要： An image forming apparatus uses a toner wherein when a weight average diameter of the initial toner in a developing device is set to D1, and a weight average diameter of a toner forming an initial toner image on an image bearing member is D2, such that D1≧D2 is satisfied.
摘要翻译：图像形成装置使用调色剂，其中当显影装置中的初始调色剂的重量平均直径设定为D1时，在图像承载部件上形成初始调色剂图像的调色剂的重量平均直径为D2，使得D1 > = D2满足。

6. 发明授权

US06389245B2 Developing device and image forming apparatus 有权
标题翻译：显影装置和图像形成装置
公开(公告)号：US06389245B2
公开(公告)日：2002-05-14
申请号：US09359733
申请日：1999-07-23
申请人： Masanori Shida , Yoshiaki Kobayashi , Masaru Hibino , Ichiro Ozawa
发明人： Masanori Shida , Yoshiaki Kobayashi , Masaru Hibino , Ichiro Ozawa
IPC分类号： G03G1508
CPC分类号： G03G15/0849 , G03G15/0848 , G03G15/0853
摘要： A developing device includes a developer bearing member for bearing and conveying a developer having a toner and a carrier, a first magnetic pole arranged in the developer bearing member, a second magnetic pole arranged in the developer bearing member, a polarity of the second magnetic pole being opposite to a polarity of the first magnetic pole. The second magnetic pole is adjacent to the first magnetic pole and is arranged on a downstream side of the first magnetic pole in a moving direction of the developer bearing member. A regulating member regulates a layer thickness of the developer borne by the developer bearer. The regulating member is arranged in the vicinity of the second magnetic pole and a concentration detector for detecting a concentration of the toner in the developer.
摘要翻译：显影装置包括用于承载和输送具有调色剂和载体的显影剂的显影剂承载部件，布置在显影剂承载部件中的第一磁极，布置在显影剂承载部件中的第二磁极，第二磁极的极性与第一磁极的极性相反。第二磁极与第一磁极相邻，并且在显影剂承载部件的移动方向上布置在第一磁极的下游侧。调节构件调节由显影剂载体承载的显影剂的层厚度。调节构件布置在第二磁极附近，并且浓度检测器用于检测显影剂中调色剂的浓度。

7. 发明授权

US6049687A Developing apparatus 有权
标题翻译：开发设备
公开(公告)号：US6049687A
公开(公告)日：2000-04-11
申请号：US179880
申请日：1998-10-28
申请人： Masaru Hibino , Yoshiaki Kobayashi , Masanori Shida , Ichiro Ozawa
发明人： Masaru Hibino , Yoshiaki Kobayashi , Masanori Shida , Ichiro Ozawa
IPC分类号： G03G9/10 , G03G9/107 , G03G9/113 , G03G15/06 , G03G15/08 , G03G15/09 , G03G9/08
CPC分类号： G03G9/10 , G03G15/0907 , G03G9/107
摘要： A developing apparatus has a developer bearing member disposed in opposed relationship with an image bearing member bearing an electrostatic image thereon with a gap of 6.times.10.sup.-4 m or less with respect to the image bearing member, and bearing and conveying a developer thereon. The developer bearing member is moved in a direction opposite to the direction of movement of the image bearing member in the portion opposed to the image bearing member, and the developer has a non-magnetic toner and a carrier of which the magnetization rate in a magnetic field of 1000 gauss is equal to or greater than 30 emu/cm.sup.3 and equal to or less than 200 emu/cm.sup.3 and the specific resistance at electric field intensity of 5.times.10.sup.4 V/m is 10.sup.12 .OMEGA.cm or greater. The developing apparatus further has applying means for applying a bias voltage having a vibration component to the developer bearing member. The bias voltage applied to the developer bearing member and the gap between the image bearing member and the developer carrying member satisfy the following relation:2.0.times.10.sup.6 .ltoreq.V/d
摘要翻译：显影装置具有显影剂承载部件，该显影剂承载部件与图像承载部件相对设置，该图像承载部件相对于图像承载部件具有6×10 -4 m或更小的间隔，并且在其上承载和输送显影剂。显影剂承载构件在与图像承载构件相对的部分中与图像承载构件的移动方向相反的方向移动，并且显影剂具有非磁性调色剂和载体，其磁化速率在磁性 1000高斯的场等于或大于30emu / cm 3且等于或小于200emu / cm 3，并且电场强度为5×10 4 V / m时的电阻率为1012ΩEG/ cm以上。显影装置还具有用于将具有振动成分的偏置电压施加到显影剂承载部件的施加装置。施加到显影剂承载部件的偏置电压和图像承载部件和显影剂承载部件之间的间隙满足以下关系：2.0×10 6

8. 发明授权

US06345162B1 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06345162B1
公开(公告)日：2002-02-05
申请号：US09567988
申请日：2000-05-10
申请人： Ichiro Ozawa , Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida
发明人： Ichiro Ozawa , Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida
IPC分类号： G03G1506
CPC分类号： G03G15/0853 , G03G2215/021 , G03G2221/0005
摘要： The present invention relates to an image forming apparatus which has an image bearing member for bearing a latent image, charging device for charging the image bearing member by bringing ears of electrically conductive particles into contact with the image bearing member, developing device for visualizing the latent image formed on the image bearing member as a toner image by using a developer containing toner and carrier after the image bearing member has been charged by the charging device, a permeability of the carriers being different from a permeability of the electrically conductive particles, density control device for controlling density of the developer within the developing device, the density control device detecting a permeability of the developer, comparing a detected signal value based on the detected result with a reference value, and controlling the density of the developer on the basis of the comparison result, and reference value correcting device for correcting the reference value, the reference value correcting device estimating an amount of the electrically conductive particles that enter within the developing device, and correcting the reference value on the basis of the estimated result.
摘要翻译：本发明涉及一种图像形成装置，其具有用于承载潜像的图像承载部件，通过使导电粒子的耳朵与图像承载部件接触来对图像承载部件充电的充电装置，用于使潜在的潜像图像承载部件上的图像作为调色剂图像，通过使用含有调色剂和载体的显影剂，在图像承载部件已被充电装置充电之后，载体的磁导率不同于导电颗粒的磁导率，密度控制用于控制显影装置内的显影剂密度的装置，密度控制装置检测显影剂的渗透性，将检测到的信号值与检测结果进行比较，并根据检测结果控制显影剂的浓度比较结果和用于校正的参考值校正装置参考值，所述参考值校正装置估计进入所述显影装置内的所述导电颗粒的量，并且基于所述估计结果来校正所述参考值。

9. 发明授权

US06294305B1 Image forming method and image forming apparatus 失效
标题翻译：图像形成方法和图像形成装置
公开(公告)号：US06294305B1
公开(公告)日：2001-09-25
申请号：US09523744
申请日：2000-03-13
申请人： Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida , Ichiro Ozawa
发明人： Yoshiaki Kobayashi , Masaru Hibino , Masanori Shida , Ichiro Ozawa
IPC分类号： G03G1302
CPC分类号： G03G13/09 , G03G13/025 , G03G2215/022 , G03G2221/0005 , Y10S430/102
摘要： An image forming method includes (i) a charging step of using a charging device including conductive magnetic particles, a rotatable conductive-magnetic-particle carrying member for carrying and conveying the conductive magnetic particles, and a plurality of magnetic-field generation means provided within the conductive-magnetic-particle carrying member, and charging a surface of an image bearing member by applying a voltage to the conductive-magnetic-particle carrying member and causing the conductive magnetic particles to contact the image bearing member, (ii) a latent-image forming step of forming an electrostatic latent image on the charged surface of the image bearing member, and (iii) a developing step of using a developing device facing the image bearing member and including a two-component developer including a toner and magnetic carrier particles, a developer carrying member for carrying the two-component developer, and a plurality of magnetic-field generation means provided within the developer carrying member, and forming a toner image by forming an AC electric field at a portion where the image bearing member faces the developer carrying member and developing the electrostatic latent image by the toner of the two-component developer. An amount of frictional charging (Q1) of the toner with the conductive magnetic particles and an amount of frictional charging (Q2) of the toner with the magnetic carrier particles within the developing device satisfy the following relationship: 0 Q2≧Q1 (mC/kg).
摘要翻译：一种图像形成方法包括：（i）使用包括导电磁性颗粒的充电装置，用于承载和输送导电磁性颗粒的可旋转的导电磁性颗粒承载构件的充电步骤，以及设置在内部的多个磁场产生装置所述导电性磁性粒子承载部件通过向所述导电性磁性体承载部件施加电压并使所述导电性磁性粒子与所述载像部件接触而对图像承载部件的表面进行充电，（ii）在图像承载部件的带电表面上形成静电潜像的图像形成步骤，以及（iii）使用面向图像承载部件的显影装置的显影步骤，并且包括具有调色剂和磁性载体颗粒的双组分显影剂，用于承载双组分显影剂的显影剂承载构件和设置有w的多个磁场产生装置并且通过在图像承载部件面向显影剂承载部件的部分处形成AC电场并通过双组分显影剂的调色剂显影静电潜像来形成调色剂图像。具有导电磁性颗粒的调色剂的摩擦带电量（Q1）和显影装置内的磁性载体颗粒的调色剂的摩擦带电量（Q2）满足以下关系：

10. 发明授权

US5870656A Image forming apparatus for effecting development and cleaning by using magnet brush 失效
标题翻译：用于通过使用磁刷实现显影和清洁的图像形成装置
公开(公告)号：US5870656A
公开(公告)日：1999-02-09
申请号：US982341
申请日：1997-12-02
申请人： Masaru Hibino , Yoshiaki Kobayashi , Koichi Hashimoto , Ichiro Ozawa
发明人： Masaru Hibino , Yoshiaki Kobayashi , Koichi Hashimoto , Ichiro Ozawa
IPC分类号： G03G9/10 , G03G13/09 , G03G21/00 , G03G15/30
CPC分类号： G03G21/0064 , G03G13/09 , G03G9/10 , G03G2221/0005
摘要： An image forming apparatus having an image bearing member for bearing an electrostatic image to be developed by toner, a transfer device for transferring a toner image formed on the image bearing member onto a transfer material, and developing and cleaning device for developing the electrostatic image with developer including toner and carrier and for cleaning residual toner remaining on the image bearing member after transferring, the developing and cleaning device having a developer bearing member for bearing the developer and serving to effect development and cleaning by causing a magnet brush formed by the carrier to contact with the image bearing member, and wherein the following relation is satisfied:.vertline.V.sub.s1 V.sub.dr .vertline./.vertline.V.sub.dr .vertline..times.L.times.m.times..alpha..gtoreq.7(where, V.sub.s1 is a moving speed (mm/sec.) of a surface of the developer bearing member, V.sub.dr is a moving speed (mm/sec.) of a surface of the image bearing member, L is a contact width (mm) of the brush in a moving direction of the image bearing member, m is a cross-sectional area (mm.sup.2) of the magnet brush, and .alpha. is density (flux/mm.sup.2) of the magnet brush).
摘要翻译：一种图像形成装置，具有用于承载通过调色剂显影的静电图像的图像承载部件，用于将形成在图像承载部件上的调色剂图像转印到转印材料上的转印装置，以及用于使静电图像显影的显影和清洁装置，显影剂，包括调色剂和载体，并用于清洁转印后残留在图像承载部件上的残留调色剂，显影和清洁装置具有用于承载显影剂的显影剂承载部件，并且用于通过使由载体形成的磁刷形成显影和清洁与图像承载部件接触，并且其中满足以下关系：| Vs1Vdr | / | Vdr |xLxmxα1/ = 7（其中，Vs1是显影剂承载部件的表面的移动速度（mm / sec） Vdr是图像承载部件的表面的移动速度（mm / sec），L是图像承载部件的移动方向上的刷子的接触宽度（mm），m是磁刷的横截面积（mm2），α是磁刷的密度（磁通/ mm2））。

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