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    • 2. 发明申请
    • DEVELOPING DEVICE, AND CONTROLLING METHOD THEREOF
    • 开发设备及其控制方法
    • US20110058835A1
    • 2011-03-10
    • US12876488
    • 2010-09-07
    • Tomoyuki IMURAKazuhiro SaitoTakuya OkadaTakuya SasakiChikara TsutsuiTakayuki Takai
    • Tomoyuki IMURAKazuhiro SaitoTakuya OkadaTakuya SasakiChikara TsutsuiTakayuki Takai
    • G03G15/08
    • G03G15/065G03G15/0806G03G2215/0607
    • A developing device is provided with a first transporting member for transporting a developer containing a toner and a carrier; a second transporting member opposite to the first transporting member to interpose a first spatial region therebetween and opposite to an electrostatic latent image carrying member to interpose a second spatial region therebetween; a first electric field forming device, composed of first and second power sources, for shifting the toner in the developer held onto the first transporting member to the second transporting member; and a second electric field forming device, composed of the second power source, for shifting the toner held onto the second transporting member to an electrostatic latent image on the carrying member. The operation of the second electric field forming device is controlled based on electric currents flowing in the first and second power sources, which are detected by first and second detecting blocks, respectively.
    • 显影装置设置有用于输送包含调色剂和载体的显影剂的第一输送构件; 与所述第一传送部件相对的第二传送部件,以在其间插入与静电潜像承载部件相对的第一空间区域,以在其间插入第二空间区域; 第一电场形成装置,由第一和第二电源组成,用于将保持在第一输送构件上的显影剂中的调色剂移动到第二输送构件; 以及第二电场形成装置,其由第二电源组成,用于将保持在第二输送构件上的调色剂移动到承载构件上的静电潜像。 基于由第一和第二检测块检测到的在第一和第二电源中流动的电流来控制第二电场形成装置的操作。
    • 4. 发明授权
    • Developing device, and controlling method thereof
    • 显影装置及其控制方法
    • US08280268B2
    • 2012-10-02
    • US12876488
    • 2010-09-07
    • Tomoyuki ImuraKazuhiro SaitoTakuya OkadaTakuya SasakiChikara TsutsuiTakayuki Takai
    • Tomoyuki ImuraKazuhiro SaitoTakuya OkadaTakuya SasakiChikara TsutsuiTakayuki Takai
    • G03G15/06G03G15/08G03G15/09
    • G03G15/065G03G15/0806G03G2215/0607
    • A developing device is provided with a first transporting member for transporting a developer containing a toner and a carrier; a second transporting member opposite to the first transporting member to interpose a first spatial region therebetween and opposite to an electrostatic latent image carrying member to interpose a second spatial region therebetween; a first electric field forming device, composed of first and second power sources, for shifting the toner in the developer held onto the first transporting member to the second transporting member; and a second electric field forming device, composed of the second power source, for shifting the toner held onto the second transporting member to an electrostatic latent image on the carrying member. The operation of the second electric field forming device is controlled based on electric currents flowing in the first and second power sources, which are detected by first and second detecting blocks, respectively.
    • 显影装置设置有用于输送包含调色剂和载体的显影剂的第一输送构件; 与所述第一传送部件相对的第二传送部件,以在其间插入与静电潜像承载部件相对的第一空间区域,以在其间插入第二空间区域; 第一电场形成装置,由第一和第二电源组成,用于将保持在第一输送构件上的显影剂中的调色剂移动到第二输送构件; 以及第二电场形成装置,其由第二电源组成,用于将保持在第二输送构件上的调色剂移动到承载构件上的静电潜像。 基于由第一和第二检测块检测到的在第一和第二电源中流动的电流来控制第二电场形成装置的操作。
    • 6. 发明授权
    • Developing apparatus image forming apparatus, and method of charging a developer using charging particles
    • 显影装置图像形成装置以及使用充电颗粒对显影剂充电的方法
    • US07835676B2
    • 2010-11-16
    • US12007790
    • 2008-01-15
    • Hiroshi GotoChikara TsutsuiTakayuki Takai
    • Hiroshi GotoChikara TsutsuiTakayuki Takai
    • G03G15/09
    • G03G15/0808G03G15/065G03G2215/0607
    • A developing apparatus for visualizing an electrostatic latent image on an electrostatic latent image bearing member by using a developer including toner and carrier particles, has a developer including toner and carrier particles, a first transport member, a second transport member positioned to oppose to the first transport member across a first region and to the electrostatic latent image bearing member across a second region. A first electric field forming unit forms a first electric field between the first and second transport members to move the toner particles from the first transport member to the second transport member. A second electric field forming unit forms a second electric field between the second transport member and the electrostatic latent image bearing member to move the toner particles from the second transport member to the electrostatic latent image bearing member and thereby to visualize an electrostatic latent image on the image into a visible image. The developer further includes charging particles releasably retained on surfaces of the toner particles. Once released from the toner particles and then held on surfaces of the carrier particles, the third particles function to provide an electric charge of the first polarity to the toner particles by the contact therewith.
    • 通过使用包含调色剂和载体颗粒的显影剂使静电潜像承载部件上的静电潜像可视化的显影装置具有包括调色剂和载体颗粒的显影剂,第一传送部件和与第一传送部件相对的第二传送部件 运输构件穿过第一区域并且穿过第二区域到静电潜像承载构件。 第一电场形成单元在第一和第二输送构件之间形成第一电场,以将调色剂颗粒从第一输送构件移动到第二输送构件。 第二电场形成单元在第二传送构件和静电潜像承载构件之间形成第二电场,以将调色剂颗粒从第二传送构件移动到静电潜像承载构件,从而使静电潜像可视化 图像变成可见的图像。 显影剂还包括可释放地保留在调色剂颗粒表面上的带电颗粒。 一旦从调色剂颗粒中释放出来,然后将其保持在载体颗粒的表面上,则第三颗粒的作用是通过与调色剂颗粒的接触来提供第一极性的电荷给调色剂颗粒。
    • 7. 发明申请
    • DEVELOPING DEVICE AND DEVELOPING METHOD
    • 开发设备和开发方法
    • US20110299893A1
    • 2011-12-08
    • US13150919
    • 2011-06-01
    • Takayuki TAKAITakuya OkadaTakuya SasakiHokuto Hatano
    • Takayuki TAKAITakuya OkadaTakuya SasakiHokuto Hatano
    • G03G15/08G03G13/08
    • G03G15/065G03G15/0806G03G2215/0648
    • A developing device having a plurality of toner carrying members for carrying toner on their outer peripheral surfaces, the plurality of toner carrying members being placed along a rotating direction of an image carrying member and out of contact with the image carrying member; and a developer carrying member for carrying a developer composed of toner and carriers and for supplying the toner to the plurality of toner carrying members. In the developing device, AC bias voltages are applied to the toner carrying members so as to cause the toner carried by the toner carrying members to stick to an electrostatic latent image formed on the image carrying member by the effect of electric fields induced by a voltage of the electrostatic latent image and the AC bias voltages applied to the toner carrying members. The amount of developing toner sticking on the image carrying member immediately after the image carrying member has passed a development area in an upstream side in the rotating direction of the image carrying member is larger than the amount of developing toner sticking on the image carrying member immediately after the image carrying member has passed a development area in a downstream side in the rotating direction of the image carrying member.
    • 一种显影装置,具有多个用于在其外周表面上承载调色剂的调色剂承载构件,所述多个调色剂承载构件沿图像承载构件的旋转方向放置并与图像承载构件脱离接触; 以及用于承载由调色剂和载体组成的显影剂并用于将调色剂供给到多个调色剂承载构件的显影剂承载构件。 在显影装置中,将交流偏置电压施加到调色剂承载构件,以便由调色剂承载构件承载的调色剂通过电压感应的电场的影响而粘附在形成在图像承载构件上的静电潜像 的静电潜像和施加到调色剂承载构件的AC偏置电压。 图像承载构件刚刚通过图像承载构件的旋转方向的上游侧的显影区域的图像承载构件上的显影调色剂的量大于立即在图像承载构件上粘着的显影调色剂的量 在图像承载构件已经通过图像承载构件的旋转方向的下游侧的显影区域之后。
    • 9. 发明授权
    • Developing device and image forming apparatus equipped with the same
    • 显影装置及其配备的成像装置
    • US08050602B2
    • 2011-11-01
    • US12417229
    • 2009-04-02
    • Takayuki Takai
    • Takayuki Takai
    • G03G15/09
    • G03G15/0808G03G2215/0607
    • A developing device includes: a developer containing a toner and a carrier; a first transporting member placed at an opening portion of a developer vessel used for housing the developer; a second transporting member that faces the first transporting member with a first area interposed therebetween, and also faces an electrostatic latent image-supporting member with a second area interposed therebetween; a first electric-field-forming unit that forms a first electric field between the first transporting member and the second transporting member; and a second electric-field-forming unit that forms a second electric field between the second transporting member and the electrostatic latent image-supporting member. An image-forming apparatus includes the above-mentioned developing device.
    • 显影装置包括:含有调色剂和载体的显影剂; 放置在用于容纳显影剂的显影剂容器的开口部分的第一输送构件; 面向所述第一输送部件的第二输送部件,其间具有第一区域,并且还面向静电潜像支撑部件,所述静电潜像支撑部件具有介于其间的第二区域; 第一电场形成单元,其在所述第一输送构件和所述第二输送构件之间形成第一电场; 以及第二电场形成单元,其在第二输送构件和静电潜像支撑构件之间形成第二电场。 图像形成装置包括上述显影装置。
    • 10. 发明申请
    • Developing device and image forming apparatus
    • 显影装置和图像形成装置
    • US20080175625A1
    • 2008-07-24
    • US12007790
    • 2008-01-15
    • Hiroshi GOTOChikara TSUTSUITakayuki TAKAI
    • Hiroshi GOTOChikara TSUTSUITakayuki TAKAI
    • G03G15/00
    • G03G15/0808G03G15/065G03G2215/0607
    • A developing apparatus for visualizing an electrostatic latent image on an electrostatic latent image bearing member by using a developer including toner and carrier particles, has a developer including toner and carrier particles, a first transport member, a second transport member positioned to oppose to the first transport member across a first region and to the electrostatic latent image bearing member across a second region. A first electric field forming unit forms a first electric field between the first and second transport members to move the toner particles from the first transport member to the second transport member. A second electric field forming unit forms a second electric field between the second transport member and the electrostatic latent image bearing member to move the toner particles from the second transport member to the electrostatic latent image bearing member and thereby to visualize an electrostatic latent image on the image into a visible image. The developer further includes charging particles releasably retained on surfaces of the toner particles. Once released from the toner particles and then held on surfaces of the carrier particles, the third particles function to provide an electric charge of the first polarity to the toner particles by the contact therewith.
    • 通过使用包含调色剂和载体颗粒的显影剂使静电潜像承载部件上的静电潜像可视化的显影装置具有包括调色剂和载体颗粒的显影剂,第一传送部件和与第一传送部件相对的第二传送部件 运输构件穿过第一区域并且穿过第二区域到静电潜像承载构件。 第一电场形成单元在第一和第二输送构件之间形成第一电场,以将调色剂颗粒从第一输送构件移动到第二输送构件。 第二电场形成单元在第二传送构件和静电潜像承载构件之间形成第二电场,以将调色剂颗粒从第二传送构件移动到静电潜像承载构件,从而使静电潜像可视化 图像变成可见的图像。 显影剂还包括可释放地保留在调色剂颗粒表面上的带电颗粒。 一旦从调色剂颗粒中释放出来,然后将其保持在载体颗粒的表面上,则第三颗粒的作用是通过与调色剂颗粒的接触来提供第一极性的电荷给调色剂颗粒。