公开(公告)号：US5512406A

公开(公告)日：1996-04-30

申请号：US321903

申请日：1994-10-12

申请人： Kenichi Takeda ,  Tatsuya Tada ,  Nobuyuki Itoh ,  Masao Nakano ,  Kazuhisa Kemmochi ,  Isami Itoh

发明人： Kenichi Takeda ,  Tatsuya Tada ,  Nobuyuki Itoh ,  Masao Nakano ,  Kazuhisa Kemmochi ,  Isami Itoh

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/09725 ,  G03G9/0819 ,  G03G9/097 ,  G03G9/09708

摘要： A toner for electrophotography, comprising toner particles and an additive, is obtained by mixing toners A and B together which are obtained by respectively adding the additive to each of at least two toner particle groups (a) and (b) having different particle size distributions. The average particle size of the toner particle group (a) is smaller than that of the toner particle group (b), and the amount of additive in the toner A is larger than that in the toner B. The toner reduces the differences in development conditions between different particle sizes due to broadening of toner particle size distribution, thereby enabling a stable image quality to be obtained which maintains a high image density for an extended period of time and is relatively free from fog generation in non-image portions.

摘要翻译： 通过将调色剂A和B混合在一起，通过将添加剂分别添加到具有不同粒度分布的至少两个调色剂颗粒组（a）和（b）中的每一个而获得的电子照相用调色剂， 。 调色剂颗粒组（a）的平均粒径小于调色剂颗粒组（b）的平均粒径，并且调色剂A中的添加剂的量大于调色剂B中的添加剂的量。调色剂减少了显影的差异 由于调色剂粒度分布的变宽，不同粒径之间的条件，从而能够获得稳定的图像质量，其在长时间内保持高图像密度，并且在非图像部分中相对不产生雾。

公开(公告)号：US5781836A

公开(公告)日：1998-07-14

申请号：US755598

申请日：1996-11-25

申请人： Tatsuya Tada ,  Isami Itoh

发明人： Tatsuya Tada ,  Isami Itoh

IPC分类号： G03G15/09

CPC分类号： G03G15/09

摘要： A developing device for an image forming apparatus such as a copying machine, a printer, or the like to develop an electrostatic latent image on an image carrier includes a toner carrier which moves while carrying a toner on its surface, and a regulating member for regulating the amount of toner on the toner carrier by applying a moving force to the toner in a direction opposite to the moving direction of the toner carrier. In a regulating portion defined by the regulating member, a convey force received by a toner portion, which does not contact the surface of the toner carrier, from the regulating member is larger than a convey force received from the toner carrier.

摘要翻译： 用于在诸如复印机，打印机等的图像形成装置的显影装置中，用于在图像载体上显影静电潜像包括在其表面上承载调色剂的同时移动的调色剂载体和用于调节 通过在与调色剂承载件的移动方向相反的方向上向调色剂施加移动力来调色剂载体上的调色剂量。 在由调节构件限定的调节部分中，由调色剂部分接收的不与调色剂承载器表面接触的输送力与调色剂承载体的输送力相比大。

公开(公告)号：US5523533A

公开(公告)日：1996-06-04

申请号：US250682

申请日：1994-05-26

申请人： Isami Itoh ,  Tatsuya Tada

发明人： Isami Itoh ,  Tatsuya Tada

IPC分类号： G03G15/09

CPC分类号： B82Y15/00 ,  G03G15/09

摘要： A developing device including a developing agent container for storing a developing agent composed of toner particles and magnetic carrier particles, a toner carrier for carrying and conveying the toner particles to supply the toner particles to an image carrier for carrying an electrostatic image, and a developing agent regulating rotary member, disposed adjacent the toner carrier with a gap therebetween, for forming a brush of the magnetic carrier particles by a magnetic force between itself and the toner carrier. The regulating rotary member allows only the toner to pass therethrough without substantially allowing passage of the carrier.

摘要翻译： 一种显影装置，包括用于存储由调色剂颗粒和磁性载体颗粒组成的显影剂的显影剂容器，用于承载和输送调色剂颗粒以将调色剂颗粒供应到用于承载静电图像的图像载体的调色剂载体，以及显影剂 代理调节旋转构件，其间设置有邻近调色剂载体的间隙，用于通过其自身与调色剂载体之间的磁力形成磁性载体颗粒的刷子。 调节旋转构件仅允许调色剂通过，而基本上不允许载体通过。

公开(公告)号：US5754929A

公开(公告)日：1998-05-19

申请号：US748615

申请日：1996-11-13

申请人： Makoto Nonomura ,  Tatsuya Tada ,  Isami Itoh ,  Takeshi Yamamoto

发明人： Makoto Nonomura ,  Tatsuya Tada ,  Isami Itoh ,  Takeshi Yamamoto

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/09

摘要： A development apparatus having a development sleeve for carrying and transporting a magnetic developer, a regulating roll for controlling the thickness of a layer of the developer on the development sleeve, a first magnetic pole provided in the development sleeve in the vicinity of a position of layer thickness control by the regulating roll, a second magnetic pole provided in the regulating roll to form a magnetic field for restraining the developer in cooperation with the first magnetic pole. The first and second magnetic poles are provided on the upstream side of a straight line connecting a center of the development sleeve and a center of the regulating roll in the direction of transport of the developer by the development sleeve so that the following inequalities are satisfied: 0

摘要翻译： 具有用于承载和运送磁性显影剂的显影套筒的显影装置，用于控制显影套筒上的显影剂层的厚度的调节辊，设置在显影套筒中的层的位置附近的第一磁极 通过调节辊的厚度控制，设置在调节辊中的第二磁极，以形成用于与第一磁极配合地限制显影剂的磁场。 第一和第二磁极设置在连接显影套筒的中心和调节辊的中心的直线的上游侧，该显影套筒由显影套筒输送显影剂的方向，使得满足以下不等式： 其中α是第一磁极的磁通密度分布的半值宽度的角度，其中α是第一磁极的磁通密度分布的半值宽度的角度;其中α是第一磁极的磁通密度分布的半值宽度的角度; θ是直线与连接第一磁极和显影套筒中心的线之间的角度; phi是直线与连接第二磁极和调节辊的中心的线之间的角度; r是调节辊的半径; 而R是开发套的半径。

公开(公告)号：US5517286A

公开(公告)日：1996-05-14

申请号：US187872

申请日：1994-01-28

申请人： Tatsuya Tada ,  Isami Itoh

发明人： Tatsuya Tada ,  Isami Itoh

IPC分类号： G03G15/09

CPC分类号： G03G15/09 ,  G03G2215/0614

摘要： A stationary magnet is disposed in a developing sleeve for carrying a one component magnetic developer. A regulating sleeve for regulating a layer of the developer is disposed opposed to the developing sleeve. The regulating sleeve rotates in the same direction as the developing sleeve. In the regulating sleeve, there is disposed a magnet or magnetic member cooperative with the stationary magnet to form a magnetic field in a gap between the developing sleeve and the regulating sleeve.

摘要翻译： 固定磁体设置在用于承载单组分磁性显影剂的显影套筒中。 用于调节显影剂层的调节套筒设置成与显影套筒相对。 调节套筒沿与显影套筒相同的方向旋转。 在调节套筒中，设置有与固定磁体协作的磁体或磁性构件，以在显影套筒和调节套筒之间的间隙中形成磁场。

公开(公告)号：USRE38026E1

公开(公告)日：2003-03-11

申请号：US09963853

申请日：2001-09-27

申请人： Tatsuya Tada ,  Isami Itoh

发明人： Tatsuya Tada ,  Isami Itoh

IPC分类号： G03G1509

CPC分类号： G03G15/09

摘要： A developing device for an image forming apparatus such as a copying machine, a printer, or the like to develop an electrostatic latent image on an image carrier includes a toner carrier which moves while carrying a toner on its surface, and a regulating member for regulating the amount of toner on the toner carrier by applying a moving force to the toner in a direction opposite to the moving direction of the toner carrier. In a regulating portion defined by the regulating member, a convey force received by a toner portion, which does not contact the surface of the toner carrier, from the regulating member is larger than a convey force received from the toner carrier.

摘要翻译： 用于在诸如复印机，打印机等的图像形成装置的显影装置中，用于在图像载体上显影静电潜像包括在其表面上承载调色剂的同时移动的调色剂载体和用于调节 通过在与调色剂承载件的移动方向相反的方向上向调色剂施加移动力来调色剂载体上的调色剂量。 在由调节构件限定的调节部分中，由调色剂部分接收的不与调色剂承载器表面接触的输送力与调色剂承载体的输送力相比大。

公开(公告)号：US06996358B2

公开(公告)日：2006-02-07

申请号：US10441165

申请日：2003-05-20

申请人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Yukio Nagase ,  Nobuyuki Itoh ,  Isami Itoh ,  Tomohito Ishida

发明人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Yukio Nagase ,  Nobuyuki Itoh ,  Isami Itoh ,  Tomohito Ishida

IPC分类号： G03G15/01

CPC分类号： G03G15/0115 ,  G03G9/0821 ,  G03G9/09 ,  G03G9/0906 ,  G03G2215/0106

摘要： A color image forming apparatus forms an image using a deep toner and a pale toner at least for one color such that the pale toner is used to form an image in a high lightness area, and the pale toner and the deep toner are used in combination to form the image in a half tone area. A toner kit has a deep toner and a pale toner which are separated from each other. A method for forming an image uses the color image forming apparatus, the toner kit, and the deep toner and the pale toner. A high quality image can be formed while inhibiting graininess and roughness over a broad image area.

摘要翻译： 彩色图像形成装置使用深色调剂和浅调色剂形成至少一种颜色的图像，使得淡调色剂用于在高亮度区域中形成图像，并且将淡色调剂和深色调剂组合使用 以在半色调区域中形成图像。 调色剂套件具有彼此分离的深色调剂和浅色调色剂。 用于形成图像的方法使用彩色图像形成装置，调色剂组件和深色调剂和淡色调剂。 可以形成高质量的图像，同时在宽的图像区域上抑制颗粒度和粗糙度。

公开(公告)号：US06803932B2

公开(公告)日：2004-10-12

申请号：US10645631

申请日：2003-08-22

申请人： Isami Itoh ,  Takeshi Ikeda ,  Yukio Nagase ,  Nobuyuki Itoh ,  Yasukazu Ayaki ,  Tomohito Ishida

发明人： Isami Itoh ,  Takeshi Ikeda ,  Yukio Nagase ,  Nobuyuki Itoh ,  Yasukazu Ayaki ,  Tomohito Ishida

IPC分类号： B41J2385

CPC分类号： G03G15/011 ,  G03G15/0194 ,  Y10S430/153

摘要： Provided is an image forming apparatus for forming a toner image including: a first light source emitting a beam corresponding to image information; a first photosensitive member; a first developing means for developing a latent image with a first toner; a second light source; a second photosensitive member; and a second developing means for developing a latent image with a second toner, in which the coloring agent contained in the first toner and the coloring agent contained in the second toner are substantially of the same hue, with the content of the coloring agent contained in the second toner being smaller than the content of the coloring agent contained in the first toner, and in which an oscillation wavelength of at least the first light source ranges from 370 to 500 nm. With the image forming apparatus structured as described above, an improvement in terms of granularity is achieved.

摘要翻译： 提供一种用于形成调色剂图像的图像形成装置，包括：发射与图像信息对应的光束的第一光源; 第一感光构件; 用于利用第一调色剂显影潜像的第一显影装置; 第二光源; 第二感光构件; 以及第二显影装置，用于用第二调色剂显影潜像，其中包含在第一调色剂中的着色剂和第二调色剂中包含的着色剂基本上具有相同的色调，其中着色剂的含量包含在 第二调色剂小于第一调色剂中包含的着色剂的含量，并且其中至少第一光源的振荡波长范围为370-500nm。 利用如上所述构造的图像形成装置，实现了粒度方面的改进。

公开(公告)号：US06374070B1

公开(公告)日：2002-04-16

申请号：US09333971

申请日：1999-06-16

申请人： Isami Itoh

发明人： Isami Itoh

IPC分类号： G03G2100

摘要： An electrophotographic apparatus includes a decreasing device for decreasing the potential difference between the potential of the toner-adhering portion of the photosensitive body and the potential of the toner-nonadhering portion of the photosensitive body after the development by a developing device and before the transfer by a transferring device. The potential of the toner-nonadhering portion is maintained higher than the potential of the toner-adhering portion regardless of a decrease of the potential difference.

公开(公告)号：US20090067869A1

公开(公告)日：2009-03-12

申请号：US12270275

申请日：2008-11-13

申请人： Masatsugu Toyonori ,  Tomohito Ishida ,  Tetsuya Atsumi ,  Isami Itoh

发明人： Masatsugu Toyonori ,  Tomohito Ishida ,  Tetsuya Atsumi ,  Isami Itoh

IPC分类号： G03G15/20

CPC分类号： G03G15/2007 ,  G03G15/2064 ,  G03G15/2092 ,  G03G15/6573 ,  G03G2215/00805 ,  G03G2215/0081 ,  G03G2215/2006

摘要： An image heating apparatus for allowing a surface of a heated toner image borne on a recording material to be glossed without generating a batter in the heated toner image is provided. In an image heating apparatus (9) including heating means (11 and 12) for heating an unfixed toner image (ta) borne on a recording material (P) and pressure means (21 and 22) for pressurizing an unfixed toner image (tb) heated by the heating means to gloss a surface of the unfixed toner image, the pressure means includes: pressure force changing means (54L and 54R) for changing a pressure force when the pressure means pressurizes the unfixed toner image; temperature detecting means (51 and 52) for detecting a temperature of the pressure means; and pressurization control means (53). The pressurization control means controls the pressure changing means according to temperature information of the temperature detecting means to change the pressure force of the pressure means before the pressure means pressurizes the unfixed toner image.

摘要翻译： 提供一种图像加热装置，用于允许在记录材料上承载的加热调色剂图像的表面被光泽而不在加热的调色剂图像中产生面糊。 在包括用于加热记录材料（P）上的未定影调色剂图像（ta）的加热装置（11和12）的图像加热装置（9）和用于对未定影调色剂图像（tb）加压的压力装置（21和22） 通过加热装置加热以对未定影的调色剂图像的表面进行光泽，压力装置包括：压力改变装置（54L和54R），用于当压力装置对未定影的调色剂图像加压时改变压力; 温度检测装置（51和52），用于检测压力装置的温度; 和加压控制装置（53）。 加压控制装置根据温度检测装置的温度信息控制压力改变装置，以在压力装置对未定影的调色剂图像加压之前改变压力装置的压力。