公开(公告)号：US20100266297A1

公开(公告)日：2010-10-21

申请号：US12760830

申请日：2010-04-15

申请人： Seiko ITAGAKI ,  Hiroshi AKITA ,  Hiroyuki SAITO ,  Natsuko MINEGISHI

发明人： Seiko ITAGAKI ,  Hiroshi AKITA ,  Hiroyuki SAITO ,  Natsuko MINEGISHI

IPC分类号： G03G15/08

CPC分类号： G03G15/0813 ,  G03G15/065 ,  G03G15/0851 ,  G03G15/5041 ,  G03G2215/0634

摘要： Disclosed is an image forming apparatus including a toner reallocation electrode to carry out a reallocation of a toner of a toner image, a toner detection section to detect a toner amount of the toner image and a control section to calculate a toner amount adhered to the toner reallocation electrode or a density distribution of the toner image based on the detected toner amount and to control an AC component of an applied voltage based on the calculated toner amount or density distribution, and the control section decides a maximum value of the AC component of the applied voltage based on the toner amount or decides a minimum value of the AC component of the applied voltage based on the density distribution, and the control section controls the AC component within a control range of smaller than or equal to the decided maximum value or greater than or equal to the decided minimum value.

摘要翻译： 公开了一种图像形成装置，其包括调色剂再分配电极，用于执行调色剂图像的调色剂的重新分配，调色剂检测部分，用于检测调色剂图像的调色剂量;以及控制部分，计算附着到调色剂的调色剂量 再分配电极或调色剂图像的浓度分布，并且基于计算出的调色剂量或浓度分布来控制施加电压的AC分量，并且控制部分确定调色剂图像的交流分量的最大值 基于调色剂量施加的电压或基于密度分布来决定施加电压的AC分量的最小值，并且控制部将AC分量控制在小于或等于所确定的最大值或更大的控制范围内 大于或等于所确定的最小值。

公开(公告)号：US20100086323A1

公开(公告)日：2010-04-08

申请号：US12574725

申请日：2009-10-07

申请人： Hiroyuki SAITO ,  Seiko ITAGAKI ,  Hiroshi AKITA ,  Natsuko MINEGISHI

发明人： Hiroyuki SAITO ,  Seiko ITAGAKI ,  Hiroshi AKITA ,  Natsuko MINEGISHI

IPC分类号： G03G15/06

CPC分类号： G03G15/0907 ,  G03G2215/0634

摘要： An image forming apparatus includes: a supplying section for supplying developer; a first developing roller including plural magnetic poles and a first sleeve arranged rotatable to the first developing roller; a second developing roller including plural magnetic poles and a second sleeve arranged rotatable to the second developing roller, the second developing roller arranged adjacent to the first developing roller and parallel to the same; an electrode arranged between the first and second developing rollers; and a voltage applying unit for applying bias voltages each having different electric potential corresponding to the first developing roller, the second developing roller and the electrode, wherein an absolute value of the bias voltage to be applied to the electrode is larger than that of the bias voltage to be applied to the first developing roller and smaller than that of the bias voltage to be applied to the second developing roller.

摘要翻译： 一种图像形成装置包括：用于供应显影剂的供应部分; 包括多个磁极的第一显影辊和可旋转到第一显影辊的第一套筒; 包括多个磁极的第二显影辊和可旋转地连接到第二显影辊的第二套筒，第二显影辊邻近第一显影辊布置并且平行于第二显影辊; 布置在第一和第二显影辊之间的电极; 以及电压施加单元，用于施加各自具有与第一显影辊，第二显影辊和电极对应的不同电位的偏置电压，其中施加到电极的偏置电压的绝对值大于偏置电压的绝对值 施加到第一显影辊上的电压小于要施加到第二显影辊的偏置电压的电压。

公开(公告)号：US20110299892A1

公开(公告)日：2011-12-08

申请号：US13117469

申请日：2011-05-27

申请人： Natsuko MINEGISHI ,  Naoki TAJIMA ,  Seiko ITAGAKI ,  Hiroyuki SAITO

发明人： Natsuko MINEGISHI ,  Naoki TAJIMA ,  Seiko ITAGAKI ,  Hiroyuki SAITO

IPC分类号： G03G15/09

CPC分类号： G03G15/065 ,  G03G15/0806 ,  G03G2215/0648

摘要： A developing device, includes a developer agitating member, an upstream side developing miler, and a downstream side developing roller; wherein the toner in the developer handed over from the upstream side developing roller to the downstream side developing roller has a volume average particle size larger than a volume average particle size of the toner in the developer conveyed by the upstream side developing roller to the facing position between the upstream side developing roller and the photoreceptor.

摘要翻译： 显影装置包括显影剂搅拌构件，上游侧显影剂和下游侧显影辊; 其中从上游侧显影辊向下游侧显影辊移交的显影剂中的调色剂的体积平均粒径大于由上游侧显影辊输送到面对位置的显影剂中的调色剂的体积平均粒径 在上游侧显影辊和感光体之间。

公开(公告)号：US20120093527A1

公开(公告)日：2012-04-19

申请号：US13271595

申请日：2011-10-12

申请人： Seiko ITAGAKI ,  Natsuko MINEGISHI ,  Hiroyuki SAITO

发明人： Seiko ITAGAKI ,  Natsuko MINEGISHI ,  Hiroyuki SAITO

IPC分类号： G03G15/08

CPC分类号： G03G15/0834 ,  G03G15/0126 ,  G03G15/0849 ,  G03G15/0868 ,  G03G15/0877 ,  G03G15/0893

摘要： In an image forming apparatus including an image carrier, a developing device which uses a developer including a toner and a carrier and to develop the electrostatic latent image and forms a visible toner image, plural toner supplying devices each of which supplies the toner in which mass ratio of an additive against the toner is different, and a control section which controls a ratio of a toner supplying amount to be supplied from each of the plural toner supplying devices, under a condition that toner consumption per a single print is low, the control section is configured to increase the toner supplying ratio of the toner including a high ratio of the additive, and under a condition that the toner consumption per the single print is high, the control section is configured to decrease the toner supplying ratio of the toner including a high ratio of the additive.

摘要翻译： 在包括图像载体的图像形成装置中，使用包括调色剂和载体的显影剂并显影静电潜像并形成可见调色剂图像的显影装置，每个调色剂供给装置供给质量大的调色剂 添加剂与调色剂的比例不同，并且控制部分控制在每个单色打印机的调色剂消耗量低的条件下，从多个调色剂供应装置中供应的调色剂供应量的比例，控制 配置为增加包括添加剂的高比例的调色剂的调色剂供应比，并且在每单色打印的调色剂消耗量高的条件下，控制部分被配置为降低调色剂的调色剂供应比，包括 添加剂的比例高。

公开(公告)号：US20120141178A1

公开(公告)日：2012-06-07

申请号：US13303373

申请日：2011-11-23

申请人： Natsuko MINEGISHI ,  Hisayoshi NAGASE ,  Takashi AKAZAWA

发明人： Natsuko MINEGISHI ,  Hisayoshi NAGASE ,  Takashi AKAZAWA

IPC分类号： G03G21/00

CPC分类号： G03G21/0094

摘要： A lubricant supplying device that supplies a lubricant to the surface of an image carrier has a cloud generating section that generates a cloud in which particles of the lubricant are mixed with air and a conveying section that classifies the particles of the lubricant present in the cloud generated by the cloud generating section into small particles with sizes smaller than a prescribed size and large particles with sizes larger than or equal to the prescribed size, and conveys the classified small particles toward the image carrier, and has a lubricant supplying member that holds a lubricant, a contacting member that contacts the lubricant supplying member and causes the lubricant carried by the lubricant supplying member to fly off in the direction of the image carrier, and a leveling member that contacts the image carrier and levels the adhered lubricant.

摘要翻译： 向图像载体的表面供给润滑剂的润滑剂供给装置具有云产生部，其产生将空气中的润滑剂粒子与空气混合的云，以及对存在于云中的润滑剂的粒子进行分类的输送部 通过云产生部分形成尺寸小于规定尺寸的小颗粒和尺寸大于或等于规定尺寸的大颗粒，并将分类的小颗粒输送到图像载体，并且具有保持润滑剂的润滑剂供给构件 与所述润滑剂供给部件接触并使由所述润滑剂供给部件所携带的润滑剂沿着所述图像载体的方向飞行的接触部件，以及与所述图像载体接触并使所述附着的润滑剂平坦化的调平部件。