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    Image forming apparatus
    1.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US09042748B2

    公开(公告)日：2015-05-26

    申请号：US14276082

    申请日：2014-05-13

    申请人： Taichi Urayama ,  Ryuji Yoshida ,  Tomoko Takahashi ,  Shotaro Hoshi ,  Hiroyuki Sugiyama ,  Ryusuke Mase ,  Masahiko Shakuto ,  Takamasa Ozeki ,  Hideki Zemba ,  Yoshinori Nakagawa

    发明人： Taichi Urayama ,  Ryuji Yoshida ,  Tomoko Takahashi ,  Shotaro Hoshi ,  Hiroyuki Sugiyama ,  Ryusuke Mase ,  Masahiko Shakuto ,  Takamasa Ozeki ,  Hideki Zemba ,  Yoshinori Nakagawa

    IPC分类号： G03G15/06 ,  G03G15/08 ,  G03G15/00

    CPC分类号： G03G15/0824 ,  G03G15/065 ,  G03G15/0849 ,  G03G15/5054 ,  G03G15/5058 ,  G03G2215/0607

    摘要： An image forming apparatus includes a latent image carrier to carry a latent image on a surface thereof, a developing device to develop the latent image with toner to form a toner image on the surface of the latent image carrier, a transfer unit to transfer the toner image onto a recording medium, and a controller. The controller executes an image density adjustment control of adjusting a developing bias to obtain a target image density. The controller further executes a forced toner consumption control of forcibly consuming the toner contained in the developing device by attaching the toner to the latent image carrier to form a toner pattern on the surface of the latent image carrier. The controller executes the forced toner consumption control to forcibly consume a smaller amount of toner in response to a higher developing bias as adjusted by the image density adjustment control.

    摘要翻译： 图像形成装置包括：潜像载体，用于在其表面上承载潜像;显影装置，用调色剂显影潜像以在潜像载体的表面上形成调色剂图像;转印单元，用于转印调色剂 图像到记录介质上，以及控制器。 控制器执行调整显影偏压的图像浓度调整控制，以获得目标图像浓度。 控制器进一步执行通过将调色剂附着在潜影载体上来强制地消耗包含在显影装置中的调色剂的强制调色剂消耗控制，以在潜像载体的表面上形成调色剂图案。 控制器执行强制调色剂消耗控制，以响应由图像浓度调节控制调节的较高显影偏压而强制消耗较少量的调色剂。

    IMAGE FORMING APPARATUS
    2.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20140341597A1

    公开(公告)日：2014-11-20

    申请号：US14276082

    申请日：2014-05-13

    申请人： Taichi URAYAMA ,  Ryuji Yoshida ,  Tomoko Takahashi ,  Shotaro Hoshi ,  Hiroyuki Sugiyama ,  Ryusuke Mase ,  Masahiko Shakuto ,  Takamasa Ozeki ,  Hideki Zemba ,  Yoshinori Nakagawa

    发明人： Taichi URAYAMA ,  Ryuji Yoshida ,  Tomoko Takahashi ,  Shotaro Hoshi ,  Hiroyuki Sugiyama ,  Ryusuke Mase ,  Masahiko Shakuto ,  Takamasa Ozeki ,  Hideki Zemba ,  Yoshinori Nakagawa

    IPC分类号： G03G15/08

    CPC分类号： G03G15/0824 ,  G03G15/065 ,  G03G15/0849 ,  G03G15/5054 ,  G03G15/5058 ,  G03G2215/0607

    摘要： An image forming apparatus includes a latent image carrier to carry a latent image on a surface thereof, a developing device to develop the latent image with toner to form a toner image on the surface of the latent image carrier, a transfer unit to transfer the toner image onto a recording medium, and a controller. The controller executes an image density adjustment control of adjusting a developing bias to obtain a target image density. The controller further executes a forced toner consumption control of forcibly consuming the toner contained in the developing device by attaching the toner to the latent image carrier to form a toner pattern on the surface of the latent image carrier. The controller executes the forced toner consumption control to forcibly consume a smaller amount of toner in response to a higher developing bias as adjusted by the image density adjustment control.

    摘要翻译： 图像形成装置包括：潜像载体，用于在其表面上承载潜像;显影装置，用调色剂显影潜像以在潜像载体的表面上形成调色剂图像;转印单元，用于转印调色剂 图像到记录介质上，以及控制器。 控制器执行调整显影偏压的图像浓度调整控制，以获得目标图像浓度。 控制器进一步执行通过将调色剂附着在潜影载体上来强制地消耗包含在显影装置中的调色剂的强制调色剂消耗控制，以在潜像载体的表面上形成调色剂图案。 控制器执行强制调色剂消耗控制，以响应由图像浓度调节控制调节的较高显影偏压而强制消耗较少量的调色剂。

    Image forming apparatus and image forming method
    4.
    发明授权
    Image forming apparatus and image forming method 有权
    图像形成装置及图像形成方法

    公开(公告)号：US09298125B2

    公开(公告)日：2016-03-29

    申请号：US14529847

    申请日：2014-10-31

    申请人： Hiroyuki Sugiyama ,  Takamasa Ozeki ,  Tomoko Takahashi ,  Yoshinori Nakagawa ,  Masahiko Shakuto ,  Ryuji Yoshida ,  Taichi Urayama ,  Ryusuke Mase ,  Shotaro Hoshi

    发明人： Hiroyuki Sugiyama ,  Takamasa Ozeki ,  Tomoko Takahashi ,  Yoshinori Nakagawa ,  Masahiko Shakuto ,  Ryuji Yoshida ,  Taichi Urayama ,  Ryusuke Mase ,  Shotaro Hoshi

    IPC分类号： G03G15/06 ,  G03G15/00

    CPC分类号： G03G15/065 ,  G03G15/5041 ,  G03G15/5058

    摘要： An image forming apparatus includes a latent image bearing member, a charging unit, a charging power source, a latent image writing unit, a development unit, a transfer unit, a toner detector, and a controller. The controller causes a background fog pattern to be formed on a surface of the latent image bearing member. In addition to the background fog pattern, the controller causes a latent image to be developed to form a toner image used for position identification on the surface of the latent image bearing member. The controller identifies a time when the toner image used for position identification has entered a detection range of the toner detector based on a change in outputs of the toner detector to determine a time when each of sections of the background fog pattern enters the detection range based on the identified time.

    摘要翻译： 图像形成装置包括潜像承载部件，充电单元，充电电源，潜像写入单元，显影单元，转印单元，调色剂检测器和控制器。 控制器在潜像承载部件的表面上形成背景雾图。 除了背景雾图案之外，控制器还使潜像显影，形成用于在潜像承载部件的表面上进行位置识别的调色剂图像。 控制器识别用于位置识别的调色剂图像基于调色剂检测器的输出的变化进入调色剂检测器的检测范围的时间，以确定背景雾图案的每个部分进入基于检测范围的时间 在确定的时间。

    Image forming apparatus
    5.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号：US09244374B2

    公开(公告)日：2016-01-26

    申请号：US14531413

    申请日：2014-11-03

    申请人： Hiroyuki Sugiyama ,  Ryoh Tanoue ,  Masahiko Shakuto ,  Tomoko Takahashi ,  Yoshinori Nakagawa ,  Ryuji Yoshida ,  Taichi Urayama ,  Shotaro Hoshi ,  Ryusuke Mase ,  Takamasa Ozeki

    发明人： Hiroyuki Sugiyama ,  Ryoh Tanoue ,  Masahiko Shakuto ,  Tomoko Takahashi ,  Yoshinori Nakagawa ,  Ryuji Yoshida ,  Taichi Urayama ,  Shotaro Hoshi ,  Ryusuke Mase ,  Takamasa Ozeki

    IPC分类号： G03G15/00 ,  G03G15/02

    CPC分类号： G03G15/0266

    摘要： The image forming apparatus includes a process unit, a latent image writer, a power source, and a controller. The process unit is detachably attachable relative to the image forming apparatus and includes, as a single integrated unit, a latent image bearing member to bear a latent image on a surface thereof, a charging device to charge the surface of the latent image bearing member, and a development device to develop the latent image with toner. The controller causes the power source to output a charging bias at a predetermined target level supplied to the charging device. The process unit includes a first storage device to store correction information for calculating the predetermined target level of the charging bias in accordance with a combination of the latent image bearing member and the charging device. The controller corrects the predetermined target level based on the correction information in the first storage device.

    摘要翻译： 图像形成装置包括处理单元，潜像写入器，电源和控制器。 处理单元相对于图像形成装置可拆卸地安装，并且包括作为单个集成单元的潜像承载构件以在其表面上承载潜像，对潜像承载构件的表面充电的充电装置， 以及用调色剂显影潜像的显影装置。 控制器使得电源以提供给充电装置的预定目标电平输出充电偏压。 处理单元包括第一存储装置，用于根据潜像承载部件和充电装置的组合存储用于计算充电偏压的预定目标电平的校正信息。 控制器基于第一存储装置中的校正信息来校正预定目标电平。

    Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor
    6.
    发明授权
    Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor 有权
    显影装置，处理盒，并入其的图像形成装置及显影剂量调整方法

    公开(公告)号：US09316950B2

    公开(公告)日：2016-04-19

    申请号：US13856541

    申请日：2013-04-04

    申请人： Tomoko Takahashi ,  Yoshiyuki Fukuda ,  Yoshio Hattori ,  Sho Akiyama ,  Takamasa Ozeki ,  Yoshinori Nakagawa ,  Mikio Ishibashi ,  Ryuji Yoshida ,  Taichi Urayama

    发明人： Tomoko Takahashi ,  Yoshiyuki Fukuda ,  Yoshio Hattori ,  Sho Akiyama ,  Takamasa Ozeki ,  Yoshinori Nakagawa ,  Mikio Ishibashi ,  Ryuji Yoshida ,  Taichi Urayama

    IPC分类号： G03G15/09

    CPC分类号： G03G15/0849 ,  G03G15/0921 ,  G03G21/18

    摘要： A development device is operable in multiple different speed modes and includes a developer bearer to carry developer, a developer regulator to adjust an amount of developer carried on the developer bearer, and multiple developer conveyance members disposed facing the developer bearer to transport developer in a longitudinal direction to circulate developer inside the development device. The multiple developer conveyance members including a first developer conveyance member to supply developer to the developer bearer and a second developer conveyance member to transport developer collected from the developer bearer. The development device executes developer amount balance adjustment in which a driving velocity of at least the multiple developer conveyance members is increased from a driving velocity in a lower-speed mode for a predetermined period after image development in the lower speed mode is completed and before image development in a higher speed mode is started.

    摘要翻译： 显影装置可以多种不同的速度模式操作，并且包括用于承载显影剂的显影剂载体，显影剂调节器，用于调节显影剂载体承载的显影剂的量，以及面向显影剂载体设置的多个显影剂传送构件，以纵向传送显影剂 使显影剂在显影装置内循环的方向。 多个显影剂传送构件包括用于向显影剂载体提供显影剂的第一显影剂传送构件和用于传送从显影剂载体收集的显影剂的第二显影剂传送构件。 显影装置执行显影剂量平衡调整，其中至少多个显影剂输送构件的驱动速度在低速模式下的图像显影完成之后的预定时间段内从低速模式的驱动速度增加，并且在图像之前 开始以较高速度模式开发。