公开(公告)号：US06925269B2

公开(公告)日：2005-08-02

申请号：US10263808

申请日：2002-10-04

申请人： Masaru Hibino

发明人： Masaru Hibino

IPC分类号： G03G9/08 ,  G03G5/08 ,  G03G9/10 ,  G03G15/06 ,  G03G15/08

CPC分类号： G03G15/0808

摘要： A developing apparatus includes a developer container for containing a developer containing toner and carrier particles having a volume resistivity of 106-1010 Ωcm; a developer carrying member for carrying the developer contained in the developer container; a voltage applying means for applying a developing bias voltage having a DC component and an AC component to the developer carrying member when an electrostatic image formed on an image hearing member including a surface layer having a volume resistivity of 109-1014 Ωcm is developed by contacting the developer carried on the developer carrying member to the electrostatic image, wherein a volume resistivity of the developer carrying member is 1×10−1-1×102 Ωcm.

摘要翻译： 显影装置包括用于容纳含有调色剂的显影剂的显影剂容器和体积电阻率为10 -6 -10 10Ω的载体颗粒; 用于承载显影剂容器中的显影剂的显影剂承载构件; 电压施加装置，用于当形成在包括体积电阻率为10 9的表面层的图像听觉构件上形成静电图像时，将具有DC分量和AC分量的显影偏压施加到显影剂承载构件 通过使负载在显影剂承载构件上的显影剂与静电图像接触来显影Omega，其中显影剂承载构件的体积电阻率为1×10 -1 -1， 1×10 2Ω。

公开(公告)号：US06304738B1

公开(公告)日：2001-10-16

申请号：US09503194

申请日：2000-02-14

申请人： Yoshiaki Kobayashi ,  Masaru Hibino ,  Masanori Shida ,  Ichiro Ozawa

发明人： Yoshiaki Kobayashi ,  Masaru Hibino ,  Masanori Shida ,  Ichiro Ozawa

IPC分类号： G03G1530

CPC分类号： G03G13/09 ,  G03G9/0819 ,  G03G15/065

摘要： An image forming apparatus uses a toner wherein when a weight average diameter of the initial toner in a developing device is set to D1, and a weight average diameter of a toner forming an initial toner image on an image bearing member is D2, such that D1≧D2 is satisfied.

摘要翻译： 图像形成装置使用调色剂，其中当显影装置中的初始调色剂的重量平均直径设定为D1时，在图像承载部件上形成初始调色剂图像的调色剂的重量平均直径为D2，使得D1 > = D2满足。

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：US06975825B2

公开(公告)日：2005-12-13

申请号：US10406458

申请日：2003-04-04

申请人： Tomoyuki Sakamaki ,  Masaru Hibino ,  Fumitake Hirobe

发明人： Tomoyuki Sakamaki ,  Masaru Hibino ,  Fumitake Hirobe

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/107 ,  G03G15/08 ,  G03G15/09

CPC分类号： G03G15/09 ,  G03G15/0921 ,  G03G2215/0609 ,  G03G2215/0612 ,  G03G2215/0648

摘要： A developing apparatus includes a developer container containing a magnetic developer including a toner and a wax contained in the toner. First and second developer carrying members are rotatably provided in the developer container, for carrying the magnetic developer. A regulation member regulates a thickness of a layer of the magnetic developer carried on the first developer carrying member. A first magnet has a first magnetic pole disposed opposite to the second developer carrying member and a second magnetic pole, which is a subsequent magnetic pole, dispose downstream from the first magnetic pole in a rotation direction of the first developer carrying member and having a polarity identical to a polarity of the first magnetic pole. A second magnet has a third magnetic pole, which has a polarity opposite to a polarity of the first magnetic pole, is disposed opposite to the first developer carrying member.

摘要翻译： 显影装置包括容纳含有调色剂的磁性显影剂和包含在调色剂中的蜡的显影剂容器。 第一和第二显影剂承载构件可旋转地设置在显影剂容器中，用于承载磁性显影剂。 调节构件调节承载在第一显影剂承载构件上的磁性显影剂层的厚度。 第一磁体具有与第二显影剂承载构件相对设置的第一磁极和作为后续磁极的第二磁极，在第一显影剂承载构件的旋转方向上设置在第一磁极的下游，并且具有极性 与第一磁极的极性相同。 第二磁体具有与第一磁极的极性相反的极性的第三磁极，与第一显影剂承载构件相对设置。

公开(公告)号：US06704534B2

公开(公告)日：2004-03-09

申请号：US09939776

申请日：2001-08-28

申请人： Masaru Hibino

发明人： Masaru Hibino

IPC分类号： G03G1509

CPC分类号： G03G15/0921

摘要： A developing device includes a developing container for containing therein a developer provided with a carrier and a toner, a conveying device for conveying the developer in the developing container, a developer bearing member for bearing thereon the developer conveyed by the conveying device, the developer bearing member conveying the developer to a developing portion for developing a latent image formed on an image bearing member, a magnetic field generating device provided in the developer bearing member for generating a magnetic field, the magnetic field generating device being provided with a first magnetic pole and a second magnetic pole provided so as to be adjacent to the downstream side of the first magnetic pole in the direction of rotation of the developer bearing member and having the same polarity as the first magnetic pole, and a regulating device for regulating the layer thickness of the developer on the developer bearing member at a location substantially opposed to the second magnetic pole. The component Br of the intensity of the magnetic field formed between the first magnetic pole and the second magnetic pole in a direction perpendicular to the surface of the developer bearing member assumes a minimum value at a location nearer to the second magnetic pole than to the first magnetic pole, and the minimum value is of the same polarity as the first magnetic pole.

摘要翻译： 显影装置包括用于容纳其中具有载体和调色剂的显影剂的显影容器，用于输送显影容器中的显影剂的输送装置，用于在其上承载由输送装置输送的显影剂的显影剂承载构件， 将显影剂输送到用于显影形成在图像承载部件上的潜像的显影部分，设置在所述显影剂承载部件中用于产生磁场的磁场产生装置，所述磁场产生装置设置有第一磁极和 第二磁极，其设置成在显影剂承载部件的旋转方向上与第一磁极的下游侧相邻并且具有与第一磁极相同的极性;以及调节装置，用于调节第一磁极的层厚度 显影剂承载构件上的显影剂基本上与该显影剂承载构件相对 第二磁极。 在垂直于显影剂承载部件的表面的方向上形成在第一磁极和第二磁极之间的磁场强度的分量Br在比第一磁极更靠近第二磁极的位置处呈现最小值 磁极，最小值与第一磁极的极性相同。

公开(公告)号：US06473584B1

公开(公告)日：2002-10-29

申请号：US09717336

申请日：2000-11-22

申请人： Masaru Hibino ,  Masanori Shida

发明人： Masaru Hibino ,  Masanori Shida

IPC分类号： G03G1508

CPC分类号： G03G15/09 ,  G03G15/0822 ,  G03G2215/0819

摘要： A developing apparatus includes a developer carrying body, opposed to an image bearing body bearing an electrostatic image, for carrying a magnetic developer, a regulating member, provided under the developer carrying body, for regulating an amount of the developer on the developer carrying body, a first magnetic pole provided in the developer carrying body and near a portion regulated by said regulating member, a second magnetic pole, provided at an upstream side of the first magnetic pole in a moving direction of the developer carrying body, for forming a repulsive magnetic field with the first magnetic pole, a first screw for agitating and carrying a developer dropped from the developer carrying body by the repulsive magnetic field, and a second screw for forming a developer circulating path with the first screw and receiving a replenished developer, wherein the first screw has a developer carrying capability lower than a developer carrying ability of the second screw. The second screw has a blade portion 25% or more of which is exposed above the surfaced developer.

摘要翻译： 显影装置包括：显影剂承载体，与承载静电图像的图像承载体相对，用于承载磁性显影剂;调节构件，设置在显影剂承载体下方，用于调节显影剂承载体上的显影剂的量; 设置在显影剂承载体中并靠近由所述调节构件调节的部分的第一磁极，设置在所述显影剂承载体的移动方向上的所述第一磁极的上游侧的第二磁极，用于形成排斥磁体 具有第一磁极的第一螺钉，用于搅拌并携带由显影剂携带体通过排斥磁场落下的显影剂的第一螺杆，以及用于与第一螺杆形成显影剂循环路径并接收补充显影剂的第二螺杆，其中， 第一螺杆具有低于第二螺杆的显影剂承载能力的显影剂承载能力。 第二螺钉具有25％以上的刀片部分暴露在表面显影剂的上方。

公开(公告)号：US06389245B2

公开(公告)日：2002-05-14

申请号：US09359733

申请日：1999-07-23

申请人： Masanori Shida ,  Yoshiaki Kobayashi ,  Masaru Hibino ,  Ichiro Ozawa

发明人： Masanori Shida ,  Yoshiaki Kobayashi ,  Masaru Hibino ,  Ichiro Ozawa

IPC分类号： G03G1508

CPC分类号： G03G15/0849 ,  G03G15/0848 ,  G03G15/0853

摘要： A developing device includes a developer bearing member for bearing and conveying a developer having a toner and a carrier, a first magnetic pole arranged in the developer bearing member, a second magnetic pole arranged in the developer bearing member, a polarity of the second magnetic pole being opposite to a polarity of the first magnetic pole. The second magnetic pole is adjacent to the first magnetic pole and is arranged on a downstream side of the first magnetic pole in a moving direction of the developer bearing member. A regulating member regulates a layer thickness of the developer borne by the developer bearer. The regulating member is arranged in the vicinity of the second magnetic pole and a concentration detector for detecting a concentration of the toner in the developer.

摘要翻译： 显影装置包括用于承载和输送具有调色剂和载体的显影剂的显影剂承载部件，布置在显影剂承载部件中的第一磁极，布置在显影剂承载部件中的第二磁极，第二磁极的极性 与第一磁极的极性相反。 第二磁极与第一磁极相邻，并且在显影剂承载部件的移动方向上布置在第一磁极的下游侧。 调节构件调节由显影剂载体承载的显影剂的层厚度。 调节构件布置在第二磁极附近，并且浓度检测器用于检测显影剂中调色剂的浓度。

公开(公告)号：US6049687A

公开(公告)日：2000-04-11

申请号：US179880

申请日：1998-10-28

申请人： Masaru Hibino ,  Yoshiaki Kobayashi ,  Masanori Shida ,  Ichiro Ozawa

发明人： Masaru Hibino ,  Yoshiaki Kobayashi ,  Masanori Shida ,  Ichiro Ozawa

IPC分类号： G03G9/10 ,  G03G9/107 ,  G03G9/113 ,  G03G15/06 ,  G03G15/08 ,  G03G15/09 ,  G03G9/08

CPC分类号： G03G9/10 ,  G03G15/0907 ,  G03G9/107

摘要： A developing apparatus has a developer bearing member disposed in opposed relationship with an image bearing member bearing an electrostatic image thereon with a gap of 6.times.10.sup.-4 m or less with respect to the image bearing member, and bearing and conveying a developer thereon. The developer bearing member is moved in a direction opposite to the direction of movement of the image bearing member in the portion opposed to the image bearing member, and the developer has a non-magnetic toner and a carrier of which the magnetization rate in a magnetic field of 1000 gauss is equal to or greater than 30 emu/cm.sup.3 and equal to or less than 200 emu/cm.sup.3 and the specific resistance at electric field intensity of 5.times.10.sup.4 V/m is 10.sup.12 .OMEGA.cm or greater. The developing apparatus further has applying means for applying a bias voltage having a vibration component to the developer bearing member. The bias voltage applied to the developer bearing member and the gap between the image bearing member and the developer carrying member satisfy the following relation:2.0.times.10.sup.6 .ltoreq.V/d

摘要翻译： 显影装置具有显影剂承载部件，该显影剂承载部件与图像承载部件相对设置，该图像承载部件相对于图像承载部件具有6×10 -4 m或更小的间隔，并且在其上承载和输送显影剂。 显影剂承载构件在与图像承载构件相对的部分中与图像承载构件的移动方向相反的方向移动，并且显影剂具有非磁性调色剂和载体，其磁化速率在磁性 1000高斯的场等于或大于30emu / cm 3且等于或小于200emu / cm 3，并且电场强度为5×10 4 V / m时的电阻率为1012ΩEG/ cm以上。 显影装置还具有用于将具有振动成分的偏置电压施加到显影剂承载部件的施加装置。 施加到显影剂承载部件的偏置电压和图像承载部件和显影剂承载部件之间的间隙满足以下关系：2.0×10 6

公开(公告)号：US06345162B1

公开(公告)日：2002-02-05

申请号：US09567988

申请日：2000-05-10

申请人： Ichiro Ozawa ,  Yoshiaki Kobayashi ,  Masaru Hibino ,  Masanori Shida

发明人： Ichiro Ozawa ,  Yoshiaki Kobayashi ,  Masaru Hibino ,  Masanori Shida

IPC分类号： G03G1506

CPC分类号： G03G15/0853 ,  G03G2215/021 ,  G03G2221/0005

摘要： The present invention relates to an image forming apparatus which has an image bearing member for bearing a latent image, charging device for charging the image bearing member by bringing ears of electrically conductive particles into contact with the image bearing member, developing device for visualizing the latent image formed on the image bearing member as a toner image by using a developer containing toner and carrier after the image bearing member has been charged by the charging device, a permeability of the carriers being different from a permeability of the electrically conductive particles, density control device for controlling density of the developer within the developing device, the density control device detecting a permeability of the developer, comparing a detected signal value based on the detected result with a reference value, and controlling the density of the developer on the basis of the comparison result, and reference value correcting device for correcting the reference value, the reference value correcting device estimating an amount of the electrically conductive particles that enter within the developing device, and correcting the reference value on the basis of the estimated result.

摘要翻译： 本发明涉及一种图像形成装置，其具有用于承载潜像的图像承载部件，通过使导电粒子的耳朵与图像承载部件接触来对图像承载部件充电的充电装置，用于使潜在的潜像 图像承载部件上的图像作为调色剂图像，通过使用含有调色剂和载体的显影剂，在图像承载部件已被充电装置充电之后，载体的磁导率不同于导电颗粒的磁导率，密度控制 用于控制显影装置内的显影剂密度的装置，密度控制装置检测显影剂的渗透性，将检测到的信号值与检测结果进行比较，并根据检测结果控制显影剂的浓度 比较结果和用于校正的参考值校正装置 参考值，所述参考值校正装置估计进入所述显影装置内的所述导电颗粒的量，并且基于所述估计结果来校正所述参考值。

公开(公告)号：US06332063B1

公开(公告)日：2001-12-18

申请号：US09536306

申请日：2000-03-27

申请人： Ichiro Ozawa ,  Masaru Hibino ,  Masanori Shida

发明人： Ichiro Ozawa ,  Masaru Hibino ,  Masanori Shida

IPC分类号： G03G1500

CPC分类号： G03G15/0853 ,  G03G15/0194 ,  G03G2215/0119 ,  G03G2221/0005

摘要： An image forming apparatus includes a plurality of image forming stations forming images of different colors on a transfer material and is provided along a direction of conveyance of the transfer material by a conveying system, in which a toner replenishing system is operated on the basis of a result of a detected magnetic permeability a detecting device and the developer, which is not transferred to the transfer material but and, which remains on an image bearing member is collected by a developing system.

摘要翻译： 图像形成装置包括多个图像形成站，其在转印材料上形成不同颜色的图像，并且通过传送系统沿着转印材料的输送方向设置，其中调色剂补充系统基于 通过显影系统收集未被转印到转印材料上并且保留在图像承载部件上的检测装置和显影剂的检测磁导率的结果。