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公开(公告)号：US4660958A
公开(公告)日：1987-04-28
申请号：US607659
申请日：1984-05-07
申请人： Hidemi Egami , Fumitaka Kan , Atsushi Hosoi , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
发明人： Hidemi Egami , Fumitaka Kan , Atsushi Hosoi , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
CPC分类号： G03G15/09
摘要： A developing apparatus includes a developer supply container, having an opening, for containing a non-magnetic developer and magnetic particles, an endlessly movable developer carrying member of a non-magnetic material for carrying a developer, which is movable between an inside of the developer supply container and an outside of the developer supply container through the opening, a magnetic particle confining member, provided to an outer surface of the developer carrying member with a gap, a magnet for generating a fixed magnetic field, having a magnetic pole disposed inside of the carrying member and upstream of the confining member with respect to movement of the carrying member, and a magnet, disposed outside of the carrying member and downstream of the confining member with respect to movement of the carrying member, for forming a line of magnetic force extending therefrom to the confining member.
摘要翻译： 显影装置包括显影剂供应容器，其具有用于容纳非磁性显影剂和磁性颗粒的开口，用于承载显影剂的非磁性材料的可循环移动的显影剂承载构件，其可在显影剂的内部 供给容器和通过该开口的显影剂供应容器的外部，设置在具有间隙的显影剂承载构件的外表面的磁性粒子限制构件，用于产生固定磁场的磁体，具有设置在 所述承载构件和所述限制构件的上游相对于所述承载构件的运动以及磁体，所述磁体设置在所述承载构件的外部并且相对于所述承载构件的移动位于所述限制构件的下游，以形成磁力线 从其延伸到限制构件。
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公开(公告)号：US4637706A
公开(公告)日：1987-01-20
申请号：US618558
申请日：1984-06-08
申请人： Atsushi Hosoi , Fumitaka Kan , Hidemi Egami , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
发明人： Atsushi Hosoi , Fumitaka Kan , Hidemi Egami , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
CPC分类号： G03G15/09 , G03G15/0914
摘要： A developing apparatus, including, a developer supply container, having an opening, for containing a non-magnetic developer and magnetic particles, an endlessly movable developer carrying member of a non-magnetic material for carrying a developer, which is movable between an inside of the developer supply container and an outside of the developer supply container through the opening, a magnetic particle confining member, spaced from outer surface of the developer carrying member with a gap, a magnet for generating a fixed magnetic field, having a magnetic pole disposed inside of the carrying member and upstream of the confining member with respect to movement of the developer carrying member, and a magnet, disposed outside of the carrying member in proximity with the confining member at an upstream side thereof with respect to movement of the developer carrying member.
摘要翻译： 一种显影装置，包括显影剂供应容器，其具有用于容纳非磁性显影剂和磁性颗粒的开口，用于承载显影剂的非磁性材料的可循环移动的显影剂承载构件，其可在内部 显影剂供应容器和通过开口的显影剂供应容器的外部，与间隙的显影剂承载构件的外表面间隔开的磁性颗粒限制构件，用于产生固定磁场的磁体，具有设置在内部的磁极 相对于显影剂承载构件的运动而在限制构件的上游侧相对于显影剂承载构件的移动而在承载构件的外侧设置在承载构件的附近的位置， 。
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公开(公告)号：US4638760A
公开(公告)日：1987-01-27
申请号：US759110
申请日：1985-07-25
申请人： Shunji Nakamura , Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Kimio Nakahata
发明人： Shunji Nakamura , Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Kimio Nakahata
IPC分类号： G03G15/09
CPC分类号： G03G15/0921
摘要： A developing apparatus includes a container for containing a non-magnetic developer and magnetic particles, a developer carrier for carrying the non-magnetic developer toward an image bearing member, a regulating member located adjacent to the non-magnetic developer discharge opening of the container to form a gap between the surface of the carrier and the regulating member, and a magnet positioned adjacent to the carrier at the side of the carrier opposite to the regulating member and causing the magnetic particles to form a magnetic brush upstream of the regulating member adjacent to the developer discharge opening of the container with respect to the direction in which the developer carrier is moved, whereby a thin layer of the non-magnetic developer can be formed on the developer carrier.
摘要翻译： 显影装置包括用于容纳非磁性显影剂和磁性颗粒的容器，用于将非磁性显影剂载持到图像承载部件的显影剂载体，位于容器的非磁性显影剂排出口附近的限制部件， 在载体的表面和调节构件之间形成间隙，以及在载体的与调节构件相对侧的位置与载体相邻的磁体，并使磁性颗粒在与调节构件相邻的调节构件上游形成磁刷 容器的显影剂排出口相对于显影剂载体移动的方向排出，从而可以在显影剂载体上形成非磁性显影剂的薄层。
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公开(公告)号：US4607938A
公开(公告)日：1986-08-26
申请号：US601715
申请日：1984-04-18
申请人： Atsushi Hosoi , Kimio Nakahata , Hatsuo Tajima , Hidemi Egami , Fumitaka Kan , Shunji Nakamura
发明人： Atsushi Hosoi , Kimio Nakahata , Hatsuo Tajima , Hidemi Egami , Fumitaka Kan , Shunji Nakamura
CPC分类号： G03G15/09
摘要： A developing apparatus for developing a latent image includes a container, a developer carrying member movable along an endless path from inside the container to the outside, a magnetic field generator inside the carrying member, a partition member in the container for separately supporting, before operation, a first developer of magnetic particles and a second developer of non-magnetic particles, and a regulating member cooperable with the magnetic field generator. Upon release of the partition member, the first developer forms a base layer on the carrying member and the second developer forms on the base layer and then, upon circulation of the carrying member the second developer is moved past the regulating member.
摘要翻译： 用于显影潜像的显影装置包括容器，可沿着从容器内部到外部的环形路径移动的显影剂承载构件，运送构件内部的磁场发生器，操作前分开支撑的容器中的分隔构件 ，磁性颗粒的第一显影剂和非磁性颗粒的第二显影剂，以及与磁场发生器配合的调节构件。 在释放分隔构件时，第一显影剂在承载构件上形成基层，并且第二显影剂在基层上形成，然后在承载构件循环时，使第二显影剂移动经过调节构件。
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公开(公告)号：US4563978A
公开(公告)日：1986-01-14
申请号：US594863
申请日：1984-03-29
申请人： Shunji Nakamura , Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Kimio Nakahata
发明人： Shunji Nakamura , Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Kimio Nakahata
IPC分类号： G03G15/09
CPC分类号： G03G15/0921
摘要： A developing apparatus includes a container for containing a non-magnetic developer and magnetic particles, a developer carrier for carrying the non-magnetic developer toward an image bearing member, a regulating member located adjacent to the non-magnetic developer discharge opening of the container to form a gap between the surface of the carrier and the regulating member, and a magnet positioned adjacent to the carrier at the side of the carrier opposite to the regulating member and causing the magnetic particles to form a magnetic brush upstream of the regulating member adjacent to the developer discharge opening of the container with respect to the direction in which the developer carrier is moved, whereby a thin layer of the non-magnetic developer can be formed on the developer carrier.
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公开(公告)号：US4559899A
公开(公告)日：1985-12-24
申请号：US630411
申请日：1984-07-13
申请人： Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
发明人： Fumitaka Kan , Hidemi Egami , Atsushi Hosoi , Hatsuo Tajima , Shunji Nakamura , Kimio Nakahata
IPC分类号： G03G15/09
CPC分类号： G03G15/0942
摘要： A thin developer layer forming device includes a developer supply container, having an opening, for containing a non-magnetic developer and magnetic particles, an endlessly movable developer carrying member of a non-magnetic material for carrying a developer, which is movable between an inside of the developer supply container and an outside of the developer supply container through the opening, rotatable member for generating a magnetic field, disposed in the carrying member, and a magnetic particles confining member, provided outside of the developer carrying member and cooperable with a magnetic pole of the magnetic field generating means to confine the magnetic particles within the developer container, wherein the magnetic field generating member is rotated in the developer carrier to move the magnetic particles in a direction opposite to a direction of movement of the developer carrying member.
摘要翻译： 薄的显影剂层形成装置包括显影剂供应容器，其具有用于容纳非磁性显影剂和磁性颗粒的开口，用于承载显影剂的非磁性材料的可循环移动的显影剂承载构件，其可在内部 的显影剂供给容器和显影剂供应容器的外部，设置在承载构件中的用于产生磁场的可旋转构件和设置在显影剂承载构件外部并与磁性配合的磁性颗粒限制构件 磁场产生装置的磁极将磁性颗粒限制在显影剂容器内，其中磁场产生部件在显影剂载体中旋转，以使磁性颗粒沿与显影剂承载部件的运动方向相反的方向移动。
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公开(公告)号：US4669852A
公开(公告)日：1987-06-02
申请号：US652570
申请日：1984-09-20
申请人： Hatsuo Tajima , Kimio Nakahata , Hidemi Egami , Fumitaka Kan , Atsushi Hosoi
发明人： Hatsuo Tajima , Kimio Nakahata , Hidemi Egami , Fumitaka Kan , Atsushi Hosoi
CPC分类号： G03G15/081 , G03G15/09 , G03G2215/0614 , G03G2215/0636
摘要： A developing apparatus for developing a latent image on a latent image bearing member, including a magnetic device for forming a magnetic brush of a developer mixture containing developer particles and magnetic particles; a movable developer carrying member for developing the latent image on the latent image bearing member, the developer carrying member being contactable with the magnetic brush to receive the developer mixture; a magnetic particle blocking member, disposed opposed to the developer carrying member at a position downstream of the position where the developer carrying member is contacted with the magnetic brush, for blocking the magnetic particles to form a coating of the developer particles on a surface of the developer carrying member, wherein the coating of the developer particles is conveyed by the movement of the developer carrying member to a developing station where the latent image is developed with the conveyed developer particles.
摘要翻译： 一种用于在潜像承载部件上显影潜像的显影装置，包括用于形成含有显影剂颗粒和磁性颗粒的显影剂混合物的磁刷的磁性装置; 用于使潜像承载部件上的潜像显影的可移动显影剂承载部件，显影剂承载部件可与磁刷接触以接收显影剂混合物; 磁性颗粒阻挡构件，其在显影剂承载构件与磁刷接触的位置下游的位置处与显影剂承载构件相对设置，用于阻挡磁性颗粒，以在该表面上形成显影剂颗粒的涂层 显影剂承载构件，其中通过显影剂承载构件的移动将显影剂颗粒的涂层输送到显影站，在显影站处，潜像用所输送的显影剂颗粒显影。
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公开(公告)号：US4610531A
公开(公告)日：1986-09-09
申请号：US644560
申请日：1984-08-27
CPC分类号： G03G15/0907
摘要： A method of development including the steps of forming a thin layer of developer on a surface of a developer carrying member; opposing the surface of the developer carrying member to a latent image bearing member bearing a latent image to be developed with a clearance therebetween which is larger than the thickness of the thin developer layer at a developing position; and intermittently forming an alternating electric field, as a developing bias, across the clearance.
摘要翻译： 一种显影方法，包括以下步骤：在显影剂承载构件的表面上形成薄层的显影剂; 将显影剂承载构件的表面相对于潜像承载构件，该潜像承载构件具有待显影的潜像，间隙大于显影位置处的薄显影剂层的厚度; 并间歇地形成跨越间隙的交流电场作为显影偏压。
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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
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。
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公开(公告)号：US4380966A
公开(公告)日：1983-04-26
申请号：US309383
申请日：1981-10-07
申请人： Kazuo Isaka , Kimio Nakahata , Masaaki Sakurai , Tsuyoshi Watanabe , Fumitaka Kan , Kenji Takeda
发明人： Kazuo Isaka , Kimio Nakahata , Masaaki Sakurai , Tsuyoshi Watanabe , Fumitaka Kan , Kenji Takeda
IPC分类号： G03G15/09
CPC分类号： G03G15/0928 , C25D11/16
摘要： A development apparatus has a developer supporting member having a magnet therein and a thickness controlling member for the developer, the developer being a magnetic one-component developer which is applied to the surface of the developer supporting member by means of the thickness controlling member, the applied surface of the developer supporting member being brought into a position opposed to a latent-image carrying member to develop the latent image thereon, the surface of the developer supporting member being roughened by sand blast treatment with irregularly shaped and/or sized particles.
摘要翻译： 显影装置具有其中具有磁体的显影剂支撑构件和用于显影剂的厚度控制构件，显影剂是通过厚度控制构件施加到显影剂支撑构件的表面的磁性单组分显影剂， 使显影剂支撑构件的施加表面进入与潜像承载构件相对的位置以在其上显影潜像，显影剂支撑构件的表面通过不规则形状和/或尺寸颗粒的喷砂处理而粗糙化。
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