公开(公告)号：US20110064488A1

公开(公告)日：2011-03-17

申请号：US12879585

申请日：2010-09-10

申请人： Tomoko TAKAHASHI ,  Naoyuki Ozaki ,  Ryuji Yoshida ,  Nobuyuki Koinuma ,  Hiroaki Maeda ,  Shunichi Hashimoto ,  Mugijirou Uno ,  Yoshinori Nakagawa ,  Mikio Ishibashi ,  Hideki Zemba

发明人： Tomoko TAKAHASHI ,  Naoyuki Ozaki ,  Ryuji Yoshida ,  Nobuyuki Koinuma ,  Hiroaki Maeda ,  Shunichi Hashimoto ,  Mugijirou Uno ,  Yoshinori Nakagawa ,  Mikio Ishibashi ,  Hideki Zemba

IPC分类号： G03G15/01

CPC分类号： G03G15/0131 ,  G03G15/1605 ,  G03G15/161

摘要： An image forming apparatus including a conveyance unit to convey a transfer medium, a first image forming unit to form a monochrome image transferred at a first transfer position onto the transfer medium, and a second image forming unit disposed downstream from the first image forming unit in a direction of conveyance of the transfer medium, including an intermediate transfer body to form a multi-colored toner image on the intermediate transfer body. The multi-colored toner image is transferred onto the transfer medium at a second transfer position. The conveyance unit is separated from the intermediate transfer body at the second transfer position in a monochrome mode to form the monochrome image using only the first image forming unit, and contacts the intermediate transfer body at the second transfer position in a full-color mode to form a full-color image using both the first and second image forming units.

摘要翻译： 一种图像形成装置，包括：传送单元，用于传送转印介质;第一图像形成单元，形成在第一转印位置转印到转印介质上的单色图像;以及第二图像形成单元，设置在第一图像形成单元的下游 转印介质的输送方向，包括中间转印体，以在中间转印体上形成多色调色剂图像。 多色调色剂图像在第二转印位置转印到转印介质上。 输送单元在单色模式下在第二转印位置处与中间转印体分离，以仅使用第一图像形成单元形成单色图像，并且以全色模式在第二转印位置处接触中间转印体， 使用第一和第二图像形成单元形成全色图像。

公开(公告)号：US20140348521A1

公开(公告)日：2014-11-27

申请号：US14275038

申请日：2014-05-12

申请人： Ryusuke MASE ,  Taichi URAYAMA ,  Tomoko TAKAHASHI ,  Shotaro HOSHI ,  Ryuji YOSHIDA ,  Hiroyuki SUGIYAMA ,  Masahiko SHAKUTO ,  Hideki ZEMBA ,  Takamasa OZEKI ,  Yoshinori NAKAGAWA

发明人： Ryusuke MASE ,  Taichi URAYAMA ,  Tomoko TAKAHASHI ,  Shotaro HOSHI ,  Ryuji YOSHIDA ,  Hiroyuki SUGIYAMA ,  Masahiko SHAKUTO ,  Hideki ZEMBA ,  Takamasa OZEKI ,  Yoshinori NAKAGAWA

IPC分类号： G03G15/00 ,  G03G15/06 ,  G03G15/02

CPC分类号： G03G15/5041 ,  G03G15/0848 ,  G03G15/5058 ,  G03G15/55 ,  G03G2215/00042 ,  G03G2215/00059 ,  G03G2215/00063

摘要： An image forming apparatus includes a latent image carrier, a charging device, a latent image forming device, a developing device, a transfer device, a toner amount detector, and a control circuit to execute an imaging condition determination process. The control circuit obtains a linear approximation formula of a developing potential and an amount of toner according to an exposure potential of the patch pattern and a detected amount of toner to calculate a developing gamma and a developing start voltage according to a gradient of the linear approximation formula, determines target charging potential, exposure potential and developing bias according to the developing gamma and the developing start voltage, determines an amount of a background potential to be corrected according to a difference between the developing start voltage and a target developing start voltage obtained according to environmental information, and corrects the target charging potential.

摘要翻译： 图像形成装置包括潜像载体，充电装置，潜像形成装置，显影装置，转印装置，调色剂量检测器和控制电路，以执行成像条件确定处理。 控制电路根据该贴片图案的曝光电位和检测量的调色剂获得显影电位和调色剂量的线性近似公式，以根据线性近似的梯度来计算显影伽马和显影起始电压 根据显影伽马和显影开始电压确定目标充电电位，曝光电位和显影偏压，根据显影开始电压和目标显影开始电压之间的差确定待校正的背景电位的量，根据 对环境信息，并纠正目标充电潜力。

公开(公告)号：US20160041494A9

公开(公告)日：2016-02-11

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： G03G15/08

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。

公开(公告)号：US20140301747A1

公开(公告)日：2014-10-09

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： G03G15/08

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承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。

公开(公告)号：US20150117884A1

公开(公告)日：2015-04-30

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： G03G15/00 ,  G03G15/02

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。

公开(公告)号：US20150139674A1

公开(公告)日：2015-05-21

申请号：US14539330

申请日：2014-11-12

申请人： Hiroyuki SUGIYAMA ,  Shigekazu KOGUCHI ,  Masahiko SHAKUTO ,  Shinji MINAMI ,  Tomoko TAKAHASHI ,  Yoshinori NAKAGAWA ,  Ryuji YOSHIDA ,  Taichi URAYAMA

发明人： Hiroyuki SUGIYAMA ,  Shigekazu KOGUCHI ,  Masahiko SHAKUTO ,  Shinji MINAMI ,  Tomoko TAKAHASHI ,  Yoshinori NAKAGAWA ,  Ryuji YOSHIDA ,  Taichi URAYAMA

IPC分类号： G03G15/02 ,  G03G15/06

CPC分类号： G03G15/065 ,  G03G15/0121 ,  G03G15/0266 ,  G03G15/50

摘要： An image forming apparatus includes an electrostatic latent image bearer; a charger to charge a surface of the electrostatic latent image bearer; a power source to output a charging bias supplied to the charger; an electrostatic latent image writing unit to write an electrostatic latent image on the surface of the electrostatic latent image bearer charged by the charger; a developing unit including a developing member to develop the electrostatic latent image to obtain a toner image; a developing power source to output a developing bias supplied to the developing unit; a processor to adjust the charging bias output from the power source to a predetermined target value; and a storage unit to store an adjustment value algorithm.

摘要翻译： 图像形成装置包括静电潜像载体; 用于对静电潜像承载体的表面充电的充电器; 用于输出提供给充电器的充电偏压的电源; 静电潜像写入单元，用于将静电潜像写入由充电器充电的静电潜像载体的表面上; 显影单元，其包括显影构件以显影静电潜像以获得调色剂图像; 用于输出提供给显影单元的显影偏压的显影电源; 处理器，用于将从电源输出的充电偏压调整到预定的目标值; 以及存储单元，用于存储调整值算法。

公开(公告)号：US20150139668A1

公开(公告)日：2015-05-21

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。

公开(公告)号：US20070212121A1

公开(公告)日：2007-09-13

申请号：US11681940

申请日：2007-03-05

申请人： Tomoko TAKAHASHI ,  Katsuhiro AOKI ,  Hideki ZEMBA

发明人： Tomoko TAKAHASHI ,  Katsuhiro AOKI ,  Hideki ZEMBA

IPC分类号： G03G15/08

CPC分类号： G03G15/065 ,  G03G15/0813

摘要： A developing device, process cartridge, and image forming apparatus that use ETH development, and are capable of forming good multi-color images with a simple construction, and are capable of preventing the dispersal of powder. The developing device is for developing latent images on a latent image carrying member by applying powder to the latent image carrying member, and comprises: a transport member disposed in opposition to the latent image carrying member and having a plurality of transport electrodes that generate a progressive wave electric field to move the powder; a voltage supply device for applying a multi-phase voltage to the transport electrodes; and a transport member surface potential determination device for determining the surface potential of the transport member. The voltage supply device in the developing device according to the present invention applies a multi-phase voltage to the transport electrodes so that the surface potential on the transport member is between the potential of the image portions and the potential of the non-image portions of the latent image carrying member.

摘要翻译： 使用ETH显影的显影装置，处理盒和成像装置，能够以简单的结构形成良好的多色图像，并且能够防止粉末的分散。 显影装置用于通过将粉末施加到潜像承载构件上而在潜像承载构件上显影潜像，并且包括：与潜像承载构件相对设置的传送构件，并且具有多个传送电极，其产生渐进 波电场移动粉末; 用于向所述输送电极施加多相电压的电压供给装置; 以及传送构件表面电位确定装置，用于确定传送构件的表面电位。 根据本发明的显影装置中的电压供应装置向输送电极施加多相电压，使得输送部件上的表面电位在图像部分的电位和非图像部分的电位之间 潜像携带部件。

公开(公告)号：US20090257786A1

公开(公告)日：2009-10-15

申请号：US12422554

申请日：2009-04-13

申请人： Yoshinori NAKAGAWA ,  Yasuyuki ISHII ,  Masaaki YAMADA ,  Hideki KOSUGI ,  Tomoko TAKAHASHI ,  Ichiro KADOTA

发明人： Yoshinori NAKAGAWA ,  Yasuyuki ISHII ,  Masaaki YAMADA ,  Hideki KOSUGI ,  Tomoko TAKAHASHI ,  Ichiro KADOTA

IPC分类号： G03G15/08

CPC分类号： G03G15/065 ,  G03G15/0818 ,  G03G2215/0651

摘要： A developing device includes a toner carrying member and an electric-field forming unit. The electric-field forming unit forms electric fields having different characteristics at a first area of the surface of the toner carrying member located within a developing area and a second area of the surface of the toner carrying member located out of the developing area such that a hopping height of toner at the first area is higher than that at the second area.

摘要翻译： 显影装置包括调色剂承载构件和电场形成单元。 电场形成单元在位于显影区域内的调色剂承载构件的表面的第一区域和位于显影区域外的调色剂承载构件的表面的第二区域中形成具有不同特性的电场，使得 第一区域的调色剂的跳高高于第二区域。

公开(公告)号：US20090067879A1

公开(公告)日：2009-03-12

申请号：US12205240

申请日：2008-09-05

申请人： Tomoko TAKAHASHI ,  Yasuyuki ISHII ,  Hideki KOSUGI ,  Ichiro KADOTA ,  Masaaki YAMADA ,  Yoshinori NAKAGAWA

发明人： Tomoko TAKAHASHI ,  Yasuyuki ISHII ,  Hideki KOSUGI ,  Ichiro KADOTA ,  Masaaki YAMADA ,  Yoshinori NAKAGAWA

IPC分类号： G03G21/18 ,  G03G15/08

CPC分类号： G03G15/0818

摘要： A developing device for a toner powder cloud development system, which can achieve high image quality and can be made compact. The developing device has a two-component development unit, a toner carrier, and an alternating current power source. The toner carrier, which is arranged opposing a latent image carrier, has a plurality of electrodes disposed in a line in a prescribed direction on the surface thereof, and mutually insulated. The alternating current power source supplies a voltage such that an electric field across the plurality of electrodes is temporally switched. The inter-electrode electric field causes the toner being carried on the surface of the toner carrier to carry out hopping, thereby forming a toner powder cloud and carrying out development. The movement speed of the latent image carrier and the linear velocity of the toner carrier are set at approximately equivalent speeds.

摘要翻译： 一种用于调色剂粉末云显影系统的显影装置，其可以实现高图像质量并且可以制造得紧凑。 显影装置具有双组分显影单元，调色剂载体和交流电源。 与潜像载体相对配置的调色剂载体具有在其表面上沿规定方向配置成一排的多个电极，并且彼此绝缘。 交流电源提供电压，使得跨越多个电极的电场在时间上切换。 电极间电场使得调色剂承载在调色剂载体的表面上进行跳跃，从而形成调色剂粉末并进行显影。 潜像载体的移动速度和调色剂载体的线速度被设定为大致相等的速度。