公开(公告)号：US5835821A

公开(公告)日：1998-11-10

申请号：US724499

申请日：1996-09-30

申请人： Hiroyuki Suzuki ,  Masahiro Itoh ,  Masahiro Inoue ,  Kenichiro Waki ,  Takeo Yamamoto ,  Ryo Inoue

发明人： Hiroyuki Suzuki ,  Masahiro Itoh ,  Masahiro Inoue ,  Kenichiro Waki ,  Takeo Yamamoto ,  Ryo Inoue

IPC分类号： G03G15/02

CPC分类号： G03G15/0225 ,  G03G15/0266 ,  G03G2215/021 ,  G03G2215/022

摘要： An image forming apparatus includes image bearing member for bearing a toner image; charging member contactable to the image bearing member to electrically charge the image bearing member; wherein .delta.V=.vertline.Vdc-Vs.vertline. is different between a first area of the image bearing member which is going to be image area and second area of the image bearing member which is going to be non-image area, where Vdc is a DC component of a voltage applied to the charging member, and Vs is is a potential of the image bearing member charged by the charging member.

摘要翻译： 图像形成装置包括用于承载调色剂图像的图像承载部件; 充电构件可与图像承载构件接触以对图像承载构件进行充电; 其中ΔV= | Vdc-Vs | 在将成为图像区域的图像承载部件的第一区域和将成为非图像区域的图像承载部件的第二区域之间是不同的，其中Vdc是施加到充电部件的电压的DC分量 并且Vs是由充电部件充电的图像承载部件的电位。

公开(公告)号：US5805960A

公开(公告)日：1998-09-08

申请号：US489171

申请日：1995-06-09

申请人： Hiroyuki Suzuki ,  Masahiro Itoh ,  Kenichiro Waki ,  Ryo Inoue

发明人： Hiroyuki Suzuki ,  Masahiro Itoh ,  Kenichiro Waki ,  Ryo Inoue

IPC分类号： G03G15/06 ,  G03G15/08 ,  G03G15/09 ,  G03G21/00 ,  G03G21/10 ,  G03G15/22 ,  G03G15/24

CPC分类号： G03G15/0907 ,  G03G21/0064 ,  G03G2221/0005

摘要： An image forming apparatus includes an electrostatic image bearing member for bearing an electrostatic image; a developer carrying member for carrying developer containing toner; a voltage source for applying to said developer carrying member, an oscillating voltage of a predetermined frequency: a toner image forming device for forming a toner image on said electrostatic image bearing member using said voltage source; a transferring device for transferring the toner image onto transfer material; and a removing device for removing, using said voltage source, the toner remaining on said electrostatic image bearing member after the use of said transferring device: the voltage satisfies: ##EQU1## V.sub.pp �V!: peak-to-peak voltage of oscillating voltage V.sub.f �Hz!: frequency of oscillating voltage V.sub.back �V!: potential difference between surface potential of electrostatic image bearing member and DC component of oscillating voltageQ �c/kg!: average amount of toner charge d �m!: shortest distance between electrostatic image bearing member and developer carrying member.

摘要翻译： 图像形成装置包括用于承载静电图像的静电图像承载部件; 用于承载含有调色剂的显影剂的显影剂承载构件; 用于施加到所述显影剂承载构件的电压源，具有预定频率的振荡电压：用于使用所述电压源在所述静电图像承载构件上形成调色剂图像的调色剂图像形成装置; 用于将调色剂图像转印到转印材料上的转印装置; 以及去除装置，用于在使用所述转印装置之后，使用所述电压源去除剩余在所述静电图像承载部件上的调色剂：所述电压满足：Vpp [V]：振荡电压的峰 - 峰电压 Vf [Hz]：振荡电压的频率Vback [V]：静电图像承载部件的表面电位与振荡电压的直流分量之间的电位差Q [c / kg]：调色剂电荷的平均量d [m] 静电图像承载部件和显影剂承载部件。

公开(公告)号：US5797070A

公开(公告)日：1998-08-18

申请号：US845285

申请日：1997-04-21

申请人： Kenichiro Waki ,  Masahiro Itoh ,  Hiroyuki Suzuki ,  Ryo Inoue

发明人： Kenichiro Waki ,  Masahiro Itoh ,  Hiroyuki Suzuki ,  Ryo Inoue

IPC分类号： G03G15/01 ,  G03G15/30

CPC分类号： G03G15/0194 ,  G03G15/0126 ,  G03G15/0189 ,  G03G2215/0119 ,  G03G2215/1628

摘要： An image forming apparatus includes at least a first image-forming unit provided with a first latent image-holding member, a first latent image-forming device, a first developing device for developing a first latent image with a first toner to form a first toner image, and a first image-transfer device for transferring the first toner image to an image-receiving member, and a second image-forming unit provided with a second latent image-holding member, a second latent image-forming device, a second developing device for developing a second latent image with a second toner to form a second toner image, and a second image-transfer device for transferring the second toner image to the image-receiving member holding the first toner image. The second developing device also serves as a cleaning device for recovering the toner remaining on the second latent image-holding member after the transfer to perform cleaning. The second latent image-holding member has a surface having a contact angle for water of not less than 85.degree..

摘要翻译： 图像形成装置至少包括具有第一潜像保持部件的第一图像形成部件，第一潜像形成装置，第一显影装置，用于利用第一调色剂显影第一潜像，以形成第一调色剂 图像和第一图像转印装置，用于将第一调色剂图像转印到图像接收部件;以及第二图像形成单元，其具有第二潜像保持部件，第二潜像形成装置，第二显影装置 用于利用第二调色剂显影第二潜像以形成第二调色剂图像的装置，以及用于将第二调色剂图像转印到保持第一调色剂图像的图像接收部件的第二图像转印装置。 第二显影装置还用作用于在转印之后回收残留在第二潜像保持部件上的调色剂以进行清洁的清洁装置。 第二潜像保持构件具有不小于85°的水接触角的表面。

公开(公告)号：US5758038A

公开(公告)日：1998-05-26

申请号：US677280

申请日：1996-07-09

申请人： Masahiro Itoh ,  Kenichiro Waki ,  Hiroyuki Suzuki ,  Ryo Inoue

发明人： Masahiro Itoh ,  Kenichiro Waki ,  Hiroyuki Suzuki ,  Ryo Inoue

IPC分类号： G03G15/00 ,  G03G15/01 ,  G03G15/08 ,  G03G15/16 ,  G06F15/00 ,  B41J29/38 ,  H04N1/034 ,  H04N1/46

CPC分类号： G03G21/0064 ,  G03G15/0194 ,  G03G15/0189 ,  G03G2215/0119

摘要： An image forming apparatus has a plurality of image forming units for forming, on an image receiving member such as a transfer sheet, toner images of a plurality of different colors such as magenta, cyan, yellow and black. Each of the image forming units includes a photosensitive drum serving as an image carrier, a developing device for developing an electrostatic latent image carried by the image carrier to form a color toner image, and a transfer device for transferring the toner image to the image receiving member. The developing device in the image forming unit for forming on the image receiving member the toner image of an (i+1)-th color is of the type capable of simultaneously performing both development and removal of residual toner. The transfer currents T.sub.i and T.sub.i+1 employed by the transfer units which perform transfer of the toner images of an i-th color and the (i+1)-th color satisfy the following condition (1). The sphericity factor SF of the toner used in at least one of the image forming units, defined by the following equation (2) satisfies the following condition (3): 1.0

摘要翻译： 图像形成装置具有多个图像形成单元，用于在诸如转印片的图像接收构件上形成诸如品红色，青色，黄色和黑色的多种不同颜色的调色剂图像。 每个图像形成单元包括用作图像载体的感光鼓，用于显影由图像载体承载的静电潜像以形成彩色调色剂图像的显影装置，以及用于将调色剂图像转印到图像接收的转印装置 会员。 图像形成单元中用于在图像接收部件上形成的显影装置，第（i + 1）色的调色剂图像是能够同时进行显影和去除残留调色剂的类型。 执行第i色和第（i + 1）色的调色剂图像的转印的转印单元采用的转印电流Ti和Ti + 1满足以下条件（1）。 用于由下列等式（2）定义的至少一个图像形成单元中的调色剂的球形度SF满足以下条件（3）：1.0

公开(公告)号：US5781832A

公开(公告)日：1998-07-14

申请号：US850863

申请日：1997-05-02

申请人： Ryo Inoue ,  Kenichiro Waki ,  Hiroyuki Suzuki

发明人： Ryo Inoue ,  Kenichiro Waki ,  Hiroyuki Suzuki

IPC分类号： G03G21/10 ,  G03G15/06 ,  G03G15/08 ,  G03G21/00

CPC分类号： G03G21/0064 ,  G03G2215/00548 ,  G03G2221/0005

摘要： An image forming apparatus has an image bearing member, charging means for uniformly charging the image bearing member, electrostatic image forming means for forming an electrostatic image on the image bearing member charged by the charging means, developing means for developing the electrostatic image on the image bearing member with a toner and also recovering any residual toner on the image bearing member, and transferring means for transferring the toner image to a transfer member conveyed. Upon re-operation after jam, at least one full rotation of the image bearing member effects the recovery of the toner on the image bearing member by the developing means with the charging by the charging means being rendered OFF.

摘要翻译： 图像形成装置具有图像承载部件，用于使图像承载部件均匀充电的充电装置，用于在由充电装置充电的图像承载部件上形成静电图像的静电图像形成装置，用于使图像上的静电图像显影的显影装置 带有调色剂的支承构件，并且还回收图像承载构件上的任何残留调色剂;以及转印装置，用于将调色剂图像转印到输送的转印构件上。 在卡纸之后重新操作，图像承载部件的至少一个完整的旋转通过充电装置的关闭使显影装置恢复图像承载部件上的调色剂。

公开(公告)号：US5438394A

公开(公告)日：1995-08-01

申请号：US83899

申请日：1993-06-29

申请人： Hiroyuki Suzuki ,  Yukio Nagase ,  Kenichiro Waki ,  Kazuhisa Kemmochi ,  Masaru Hibino

发明人： Hiroyuki Suzuki ,  Yukio Nagase ,  Kenichiro Waki ,  Kazuhisa Kemmochi ,  Masaru Hibino

IPC分类号： G03G9/107 ,  G03G13/09 ,  G03G15/09

CPC分类号： G03G9/107 ,  G03G13/09

摘要： An image forming apparatus includes an image bearing member; a latent image forming device for forming on the image bearing member a dot distribution electrostatic latent image in accordance with image signals corresponding to an object image; a developing device for developing the latent image formed on the image bearing member by the latent image forming device, in a developing station and by a developer containing toner and magnetic carrier; wherein the developing device includes a developer carrying member for carrying and conveying the developer to the developing station, and a magnetic field generating device provided within the developer carrying member, for forming a magnetic brush of the developer and contacting the magnetic brush to the image bearing member; and wherein a degree .sigma.d (emu/cm.sup.3) of magnetization of the magnetic carrier by a magnetic field by the magnetic field generating means at a peak of a perpendicular magnetic field on the surface of the developer carrying member satisfies the following:if X

摘要翻译： 图像形成装置包括：图像承载部件; 潜像形成装置，用于根据与对象图像相对应的图像信号在图像承载部件上形成点分布静电潜像; 显影装置，用于通过潜像形成装置在显影站和由含有调色剂和磁性载体的显影剂显影在图像承载部件上形成的潜像; 其中显影装置包括用于将显影剂运送和传送到显影站的显影剂承载构件和设置在显影剂承载构件内的磁场产生装置，用于形成显影剂的磁刷并使磁刷与图像承载件接触 会员; 并且其中由所述磁场产生装置在所述显影剂承载构件的表面上的垂直磁场的峰值处的所述磁性载体由磁场的磁化度的σd（emu / cm 3）满足以下条件： 200，则如果X> / = 200，则为30≤x= 15000 / X，则30是静电潜像中每平方毫米的像素数， 不低于60，不超过1000。

公开(公告)号：US5329346A

公开(公告)日：1994-07-12

申请号：US946568

申请日：1992-09-18

申请人： Hiroyuki Suzuki ,  Kenichiro Waki

发明人： Hiroyuki Suzuki ,  Kenichiro Waki

IPC分类号： G03G15/01

CPC分类号： G03G15/0126 ,  G03G15/011 ,  G03G15/0163

摘要： The present invention aims to solve problems caused in forming multiple images on the same transfer sheet in response to an original by using black toner and color toner, and prevents a shade of the original from being developed by the color toner which results in the indistinct copy image. To this end, according to the present invention, an area developed by the color toner is made narrower than an area developed by the black toner.

摘要翻译： 本发明旨在解决通过使用黑色调色剂和彩色调色剂来响应于原稿在相同转印纸上形成多个图像所引起的问题，并且防止原稿的色调被彩色调色剂显影，这导致不清楚的副本 图片。 为此，根据本发明，使由彩色调色剂显影的区域比由黑色调色剂显影的区域窄。

公开(公告)号：US5576812A

公开(公告)日：1996-11-19

申请号：US314303

申请日：1994-09-30

申请人： Masaru Hibino ,  Yukio Nagase ,  Kenichiro Waki ,  Hiroyuki Suzuki

发明人： Masaru Hibino ,  Yukio Nagase ,  Kenichiro Waki ,  Hiroyuki Suzuki

IPC分类号： B41J2/385 ,  G03G15/06 ,  G03G15/09

CPC分类号： G03G15/0921

摘要： A developing method includes forming a magnetic field between an image bearing member bearing an electrostatic image and a developer carrying member carrying a developer comprising toner particles and carrier particles; and contacting chains of carrier particles formed on the developer carrying member to the image bearing member; wherein an absolute value of an intensity of a magnetic field in a movement direction of the developer carrying member over the entire portion of the developer carrying member at a position where the carrier is contacted to the image bearing member is positive.

摘要翻译： 显影方法包括在承载静电图像的图像承载部件和承载包含调色剂颗粒和载体颗粒的显影剂的显影剂承载部件之间形成磁场; 并将形成在显影剂承载构件上的载体颗粒的链接到图像承载构件; 其中显影剂承载构件在载体与图像承载构件接触的位置的整个部分上的移动方向上的磁场强度的绝对值为正。

公开(公告)号：US5459559A

公开(公告)日：1995-10-17

申请号：US318298

申请日：1994-10-05

申请人： Yukio Nagase ,  Kenichiro Waki ,  Hiroyuki Suzuki ,  Masaru Hibino

发明人： Yukio Nagase ,  Kenichiro Waki ,  Hiroyuki Suzuki ,  Masaru Hibino

IPC分类号： G03G15/09 ,  G03G13/09

CPC分类号： G03G13/09

摘要： A developing method for developing an electrostatic image on an image bearing member with a two-component developer includes the steps of bearing a developer containing toner particles and carrier particles on a developer bearing member to a contact region formed between the developer bearing member and an image bearing member bearing an electrostatic image thereon, and rubbing the image bearing member with the magnetic brush with a contact pressure equal to 0.7 gf/cm.sup.2 or less.

摘要翻译： 使用双组分显影剂在图像承载部件上显影静电图像的显影方法包括以下步骤：在显影剂承载部件上承载含有调色剂颗粒和载体颗粒的显影剂到形成在显影剂承载部件和图像之间的接触区域 承载构件，其上具有静电图像，并且用磁刷摩擦图像承载构件，接触压力等于0.7gf / cm 2以下。

公开(公告)号：US06909859B2

公开(公告)日：2005-06-21

申请号：US10429864

申请日：2003-05-06

申请人： Ryo Nakamura ,  Hiroyuki Suzuki ,  Ryo Inoue

发明人： Ryo Nakamura ,  Hiroyuki Suzuki ,  Ryo Inoue

IPC分类号： G03G15/02

CPC分类号： G03G15/0266 ,  G03G2215/02

摘要： A charging apparatus includes plural charging devices including a first charging device and a second charging device, in which an absolute value of a current flowing from the second charging device to a member to be charged is 25% or less of an absolute value of a sum of currents respectively flowing from the plural charging devices to the member to be charged, thereby achieving uniform charging of the member to be charged.

摘要翻译： 充电装置包括多个充电装置，包括第一充电装置和第二充电装置，其中从第二充电装置流向充电装置的电流的绝对值为绝对值的25％以下 的电流分别从多个充电装置流向要充电的构件，从而实现对被充电构件的均匀充电。