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1. 发明授权

US5239343A Developing apparatus with regulating member having magnetic and non-magnetic members 失效
标题翻译：具有磁性和非磁性构件的调节构件的显影装置
公开(公告)号：US5239343A
公开(公告)日：1993-08-24
申请号：US660152
申请日：1991-02-20
申请人： Yuji Sakemi , Hatsuo Tajima , Kenji Okado , Masahiro Inoue
发明人： Yuji Sakemi , Hatsuo Tajima , Kenji Okado , Masahiro Inoue
IPC分类号： G03G15/09
CPC分类号： G03G15/09 , G03G15/0921
摘要： A developing apparatus includes a developer layer thickness regulating zone downstream of one of magnetic poles of a stationary magnet disposed inside a developing sleeve, with respect to the rotational direction of the sleeve. In the regulating zone, there are provided a magnetic member and a non-magnetic member to regulate the layer thickness of the developer containing magnetic carrier particles and toner particles on the sleeve. The magnetic member has a width of not less than 1 mm and not more than 10 mm and a thickness of not less than 0.2 mm and not more than 3 mm.
摘要翻译：显影装置包括相对于套筒的旋转方向设置在显影套筒内部的固定磁体的一个磁极下游的显影剂层厚度调节区域。在调节区域中，设置有磁性构件和非磁性构件，以调节包含磁性载体颗粒的显影剂的层厚度和套筒上的调色剂颗粒。磁性构件的宽度为1mm以上且10mm以下，厚度为0.2mm以上且3mm以下。

2. 发明授权

US4954404A Developing method and device and color image forming method and apparatus using same 失效
标题翻译：显影方法和装置以及使用其的彩色图像形成方法和装置
公开(公告)号：US4954404A
公开(公告)日：1990-09-04
申请号：US251780
申请日：1988-10-03
申请人： Masahiro Inoue , Hatsuo Tajima , Yuji Sakemi , Kenji Okado
发明人： Masahiro Inoue , Hatsuo Tajima , Yuji Sakemi , Kenji Okado
IPC分类号： G03G15/01 , G03G13/01 , G03G13/09
CPC分类号： G03G13/09 , G03G13/013
摘要： A method of reverse development for depositing the toner particles to the light potential area of a photosensitive member. The developer used contains magnetic carrier particles and toner particles. An alternating electric field is formed in the developing position or zone. A relative volumetric ratio Q (%) of the magnetic carrier particles in the developing position satisfies 15.0.ltoreq.Q.ltoreq.28.0. The relative volumetric ratio is defined asQ=(M/h).times.(1/.rho.).times.C.sigma./(T+C)where M (g/cm.sup.2) is an amount of applied developer on a developing sleeve surface per unit area, h (cm) is a height of space in the developing position, .rho. (g/cm.sup.3) is a true density of the magnetic carrier particles, C/(T+C) (%) is a weight ratio of the carrier particles in the developer on the surface of the sleeve, and .sigma. is a ratio of a peripheral speed of the sleeve relative to the peripheral speed of the photosensitive member.
摘要翻译：一种用于将调色剂颗粒沉积到感光构件的光电势区域的反向显影方法。使用的显影剂包含磁性载体颗粒和调色剂颗粒。在显影位置或区域形成交变电场。显影位置中的磁性载体颗粒的相对体积比Q（％）满足15.0≤Q≤28.0。相对体积比定义为Q =（M / h）x（1 / rho）xC sigma /（T + C）其中M（g / cm2）是每单位面积在显影套筒表面上施加的显影剂的量， h（cm）是显影位置的高度，rho（g / cm3）是磁性载体颗粒的真实密度，C /（T + C）（％）是载体颗粒的重量比显影剂在套筒的表面上，西格玛是套筒的圆周速度相对于感光构件的圆周速度的比率。

3. 发明授权

US4590140A Toner application method and treated magnetic particles for use therein 失效
标题翻译：调色剂施用方法和处理过的磁性颗粒
公开(公告)号：US4590140A
公开(公告)日：1986-05-20
申请号：US658779
申请日：1984-10-09
申请人： Yasuo Mitsuhashi , Masanori Takenouchi , Hatsuo Tajima , Masaki Uchiyama , Motoo Urawa , Kenji Okado
发明人： Yasuo Mitsuhashi , Masanori Takenouchi , Hatsuo Tajima , Masaki Uchiyama , Motoo Urawa , Kenji Okado
IPC分类号： G03G15/09 , G03G9/083 , G03G9/113 , G03G13/09 , G03G13/08
CPC分类号： G03G9/083 , Y10S222/01
摘要： A method for applying a toner comprising: forming, in a container containing a toner and magnetic particles for application of the toner, a magnetic brush of the magnetic particles; circulating the magnetic particles in the container; forming a thin layer of the toner electrically charged on the toner carrying member, wherein the magnetic particles have been treated with a substance A having a position opposite to that of the toner in the triboelectric series with the material constituting at least the surface of the toner carrying member as the standard substance and with a substance B having a position between the substance A and the toner in the triboelectric series.
摘要翻译：一种施加调色剂的方法，包括：在容纳调色剂的容器和用于施加调色剂的磁性颗粒的容器中形成磁性颗粒的磁刷; 将磁性颗粒循环在容器中; 形成在调色剂承载构件上带电的调色剂薄层，其中已经用具有与摩擦系列中的调色剂的位置相反的位置的物质A处理磁性颗粒，其中至少构成调色剂表面的材料携带部件作为标准物质，物质B具有物质A和摩擦系列中的调色剂之间的位置。

4. 发明授权

US5030996A Image forming apparatus with AC bias voltages for preventing developer mixture 失效
标题翻译：具有用于防止显影剂混合的AC偏压的图像形成装置
公开(公告)号：US5030996A
公开(公告)日：1991-07-09
申请号：US574893
申请日：1990-08-30
申请人： Hatsuo Tajima , Yoshiaki Kobayashi
发明人： Hatsuo Tajima , Yoshiaki Kobayashi
IPC分类号： G03G15/01 , G03G15/06
CPC分类号： G03G15/0121
摘要： An image forming apparatus includes an image bearing member movable through first and second developing positions in the order named and a bias voltage applying device applies a first developing bias voltage to a first developer carrying member and a second developing bias voltage to a second developer carrying member. The first bias voltage has a phase of a first electric field for applying to the toner a force from the developer carrying member to the image bearing member for a period t11 in the first developing position and a phase of a second electric field in the opposite direction to the first for a period t21 in the first developing position. The second bias voltage has a phase of a third electric field for applying to the toner a force from the developer carrying member to the image bearing member for a period t12 in the second developing position and a phase of a fourth electric field in the opposite direction to the third for a period t22 in the second developing zone. A ratio of period t22 to period t12 is larger than a ratio of period t21 to period t11. A; and peak level of the second bias voltage in period t12 is larger than a peak level of the first bias voltage in period t11 and a peak level of the second bias voltage in period t22 is smaller than a peak level of the first voltage in period t21.

5. 发明授权

US4933254A Method and apparatus for transferring toner from carrying member to image bearing member using chains of magnetic particles 失效
标题翻译：使用磁性颗粒链将调色剂从携带部件转印到图像承载部件上的方法和装置
公开(公告)号：US4933254A
公开(公告)日：1990-06-12
申请号：US257164
申请日：1988-10-13
申请人： Atsushi Hosoi , Hatsuo Tajima , Takashi Saito , Norihisa Hoshika , Hiroshi Tajika , Masaaki Yamaji
发明人： Atsushi Hosoi , Hatsuo Tajima , Takashi Saito , Norihisa Hoshika , Hiroshi Tajika , Masaaki Yamaji
IPC分类号： G03G13/09 , G03G15/09
CPC分类号： G03G13/09 , G03G15/09
摘要： A developing method including forming a layer of electrically charged toner particles on a surface of the developer carrying member and dispersing magnetic particles retaining on their surfaces electrically charged toner particles on the surface of the developer carrying member, carrying the particles on the developer carrying member to a developing position where a surface of an electrostatic latent image bearing member for bearing an electrostatic latent image is opposed with a clearance to the surface of the developer carrying member, applying an alternating electric field across the clearance and forming the magnetic particles into chains of the magnetic particles by magnetic field generating means disposed behind the developer carrying member, and developing the electrostatic latent image by the charged toner particles on the surface of the developer carrying member and on the surfaces of the magnetic particles.
摘要翻译：一种显影方法，包括在显影剂承载构件的表面上形成带电荷的调色剂颗粒层，并将保持在其表面上的带电荷的调色剂颗粒的磁性颗粒分散在显影剂承载构件的表面上，将显影剂承载构件上的颗粒携带在显影位置，其中用于承载静电潜像的静电潜像承载部件的表面与显影剂承载部件的表面间隙相对，跨越间隙施加交变电场，并将磁性颗粒形成为通过设置在显影剂承载构件后面的磁场产生装置的磁性颗粒，并且通过在显影剂承载构件的表面和磁性颗粒的表面上的带电调色剂颗粒将静电潜像显影。

6. 发明授权

US4542980A Apparatus for fixing images 失效
标题翻译：用于固定图像的装置
公开(公告)号：US4542980A
公开(公告)日：1985-09-24
申请号：US335741
申请日：1981-12-30
申请人： Hatsuo Tajima
发明人： Hatsuo Tajima
IPC分类号： G03G15/20 , H05B6/70
CPC分类号： G03G15/2007
摘要： An image recording apparatus includes a high frequency radiation type fixing device in which high frequency radiation is conveyed through a solid dielectric material positioned to fix an unfixed image on a recording material and a heat absorbing device is provided for controlling the temperature of the solid dielectric material so as to prevent overheating of the dielectric material.
摘要翻译：一种图像记录装置包括高频辐射型定影装置，其中高频辐射通过固定介电材料传送，固定介质材料定位成将未固定的图像固定在记录材料上，并提供一种吸热装置，用于控制固体电介质材料的温度以防止电介质材料的过热。

7. 发明授权

US4484811A Apparatus for forming an image on a recording member 失效
标题翻译：用于在记录部件上形成图像的装置
公开(公告)号：US4484811A
公开(公告)日：1984-11-27
申请号：US329018
申请日：1981-12-09
申请人： Kimio Nakahata , Hatsuo Tajima , Naoki Iwami , Shunichi Masuda , Katsuichi Shimizu , Yoshihiro Kawatsura , Koji Suzuki , Yoshikazu Yokomizo
发明人： Kimio Nakahata , Hatsuo Tajima , Naoki Iwami , Shunichi Masuda , Katsuichi Shimizu , Yoshihiro Kawatsura , Koji Suzuki , Yoshikazu Yokomizo
IPC分类号： G03G15/00 , G03G15/06 , G03G15/30
CPC分类号： G03G15/5037 , G03G15/065 , G03G15/30
摘要： The image forming method is executed by projecting a light image on a rotatable recording member to consecutively form electrostatic latent images corresponding to the light image, developing the latent images, projecting a predetermined amount of light onto a non-imaged area present between two consecutive latent images on the recording member to form an electrostatic image, detecting potential of the electrostatic image, and controlling the development of the latent images next to the electrostatic image detected during the detection of the potential in response to the detection results. This method is performed in the image forming apparatus which includes a rotatable recording member, processing units for projecting a light image onto the recording member to consecutively form electrostatic latent images corresponding to the light image, a developer unit for developing the latent images, a voltage applying circuit for applying a voltage to the developer unit, a projecting unit for projecting a predetermined amount of light onto a non-imaged area present between two consecutive latent images on the recording member, a detector for detecting surface potential of the non-imaged area, and a controller for controlling the voltage applying circuit in response to detection output from the detector in the development of the latent image next to the non-imaged area in the developer unit.
摘要翻译：图像形成方法通过将光图像投射在可旋转的记录部件上来连续地形成与光图像相对应的静电潜像，显影潜像，将预定量的光投射到存在于两个连续的潜在的非成像区域之间记录部件上的图像以形成静电图像，检测静电图像的电位，并且响应于检测结果控制在检测到电位期间检测到的静电图像旁边的潜像的显影。该方法在包括可旋转记录部件的图像形成装置中进行，用于将光图像投影到记录部件上以连续形成与光图像相对应的静电潜像的处理单元，用于显影潜像的显影单元，电压用于向显影剂单元施加电压的施加电路，用于将预定量的光投射到存在于记录构件上的两个连续潜像之间的非成像区域上的投影单元，用于检测非成像区域的表面电位的检测器以及控制器，用于在显影单元中的非成像区域旁边的潜像的显影中响应于来自检测器的检测输出来控制电压施加电路。

8. 发明授权

US4383497A Developing device 失效
标题翻译：开发设备
公开(公告)号：US4383497A
公开(公告)日：1983-05-17
申请号：US183947
申请日：1980-09-04
申请人： Hatsuo Tajima
发明人： Hatsuo Tajima
IPC分类号： G03G15/08 , G03G15/09
CPC分类号： G03G15/0808 , G03G2215/0619 , G03G2215/0636
摘要： A developing device of a construction including a magnetic device to form a magnetic brush with a magnetic carrier which charges and attracts single component, non-magnetic toner particles, a developer conveying device which receives the attracted toner particles through contact with the magnetic brush of the magnetic device, and leads the toner for development to a position confronting an electrostatic image holding member at a predetermined space interval, and a carrier passage inhibiting device, such as a device for applying an AC voltage between the magnetic device and developer conveying device, for providing movement of the toner to the conveying device while inhibiting movement of the carrier.
摘要翻译：一种结构的显影装置，包括磁性装置，以形成带有电荷吸引单组分非磁性调色剂颗粒的磁性载体的磁刷，显影剂输送装置，其通过与吸附的调色剂颗粒接触而吸收吸引的调色剂颗粒磁性装置，并将显影用调色剂引导到与静电图像保持部件相对的预定间隔的位置，以及载体通道抑制装置，例如用于在磁性装置和显影剂输送装置之间施加交流电压的装置，用于提供调色剂到输送装置的运动，同时抑制载体的移动。

9. 发明授权

US5075728A Developing apparatus with developer leak prevention 失效
标题翻译：开发人员泄漏防护的开发设备
公开(公告)号：US5075728A
公开(公告)日：1991-12-24
申请号：US572404
申请日：1990-08-27
申请人： Yoshiaki Kobayashi , Hatsuo Tajima
发明人： Yoshiaki Kobayashi , Hatsuo Tajima
IPC分类号： G03G15/08
CPC分类号： G03G15/0896 , G03G15/0875 , G03G15/0877
摘要： A developing apparatus includes a container having a first chamber and a second chamber, the second chamber containing a developer; a rotatable developer carrying member in the first chamber to carry the developer through a developing zone where an electrostatic latent image on an image bearing member is developed; a rotatable supply member disposed in the first chamber and cooperative with the developer carrying member to form a nip therebetween to supply the developer supplied from the second chamber to the developer carrying member; and a partition wall between the first chamber and a second chamber having an opening for permitting supply of the developer from the second chamber to the supply member, wherein the opening has a length smaller than a length of the supply member.
摘要翻译：显影装置包括具有第一室和第二室的容器，第二室包含显影剂; 第一室中的可旋转的显影剂承载构件，用于将显影剂携带在图像承载构件上的静电潜像被显影的显影区域中; 可旋转的供给构件，设置在所述第一室中并与所述显影剂承载构件协作以在其间形成辊隙，以将从所述第二室供应的显影剂供应到所述显影剂承载构件; 以及位于第一室和第二室之间的分隔壁，其具有用于允许显影剂从第二室供应到供应构件的开口，其中开口的长度小于供应构件的长度。

10. 发明授权

US4887131A Developing apparatus using magnetic particles and toner particles 失效
标题翻译：使用磁性颗粒和调色剂颗粒的显影装置
公开(公告)号：US4887131A
公开(公告)日：1989-12-12
申请号：US168517
申请日：1988-03-15
申请人： Masahide Kinoshita , Hatsuo Tajima , Norihisa Hoshika , Hiroshi Tajika , Atsushi Hosoi
发明人： Masahide Kinoshita , Hatsuo Tajima , Norihisa Hoshika , Hiroshi Tajika , Atsushi Hosoi
IPC分类号： G03G15/09
CPC分类号： G03G15/09
摘要： A developing apparatus for developing an electrostatic latent image on an electrostatic latent image bearing member includes a container for containing a developer which contains toner particles and magnetic particles, a developer carrying member, opposed to the electrostatic latent image bearing member, for forming a developing position for supplying the toner particles to the latent image bearing member and for carrying the developer from the container to the developing position, magnetic field generating magnet disposed across the developer carrying member from the latent image bearing member for generating a magentic field, developer regulating member for regulating the developer which contains the toner particles and carrier particles and which is carried to the developing position, wherein the magnetic field generating magnet includes one magnetic pole adjacent an upstream side of the regulating member with respect to a movement direction of the developer carrying member, and wherein a magnetic flux density downstream of the one pole less steeply decreases the increase thereof at an upstream side.
摘要翻译：用于在静电潜像承载部件上显影静电潜像的显影装置包括容纳包含调色剂颗粒和磁性颗粒的显影剂的容器，与静电潜像承载部件相对的用于形成显影位置的显影剂承载部件用于将调色剂颗粒供应到潜像承载构件并将显影剂从容器运送到显影位置，磁场产生磁体设置在显影剂承载构件的两侧，用于产生磁场，用于产生磁场，用于产生磁场的显影剂调节构件调节含有调色剂颗粒和载体颗粒并且被运送到显影位置的显影剂，其中磁场产生磁体包括相对于显影剂承载构件的移动方向与调节构件的上游侧相邻的一个磁极，并且控制一极下游的磁通密度不太急剧地减小其在上游侧的增加。

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