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1. 发明授权

US08401439B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08401439B2
公开(公告)日：2013-03-19
申请号：US12963567
申请日：2010-12-08
申请人： Hiroyuki Saito , Naoki Tajima , Seiko Itagaki , Natsuko Minegishi
发明人： Hiroyuki Saito , Naoki Tajima , Seiko Itagaki , Natsuko Minegishi
IPC分类号： G03G15/095
CPC分类号： G03G15/095 , G03G2221/0005 , G03G2221/0078
摘要： The present invention realizes an image forming apparatus which is equipped with a carrier recovery section of simple configuration and for which maintenance is not required, the apparatus includes: a photoconductive drum; a developing device to develop a latent image formed on the photoconductive drum by a two-component developer containing a toner and a magnetic carrier, and a carrier recovery section which is equipped with a recovery roller, wherein the carrier recovery roller includes a rotatable sleeve, and a magnet roller that is installed inside the sleeve and provided with a plurality of fixed magnetic poles including a main pole to recover the magnetic carrier adhered onto the photoconductive drum and a separating pole to separate the magnetic carrier from the recovery roller, wherein a separating member is disposed at such a position that is opposite to the sleeve at a prescribed distance in a non-contact state.
摘要翻译：本发明实现了一种图像形成装置，其具有简单结构的载体回收部分，并且不需要维护，该装置包括：感光鼓; 显影装置，用于通过含有调色剂和磁性载体的双组分显影剂显影形成在感光鼓上的潜像;以及载体回收部分，其配备有回收辊，其中载体回收辊包括可旋转套筒，以及磁性辊，其安装在所述套筒的内部并且设置有多个固定磁极，所述多个固定磁极包括主极以回收附着在所述感光鼓上的磁性载体，以及分离杆，用于将所述磁性载体与所述回收辊分离，构件以非接触状态设置在与套筒相对的位置处以规定的距离。

2. 发明授权

US08666294B2 Carrier removing device and image forming apparatus 有权
标题翻译：载体移除装置和图像形成装置
公开(公告)号：US08666294B2
公开(公告)日：2014-03-04
申请号：US12904014
申请日：2010-10-13
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： G03G15/00
CPC分类号： G03G15/095 , G03G21/0047 , G03G2215/0607
摘要： A carrier removing apparatus, including: an electrode, having a plurality of openings through which a carrier passes, disposed to oppose an image carrier, and a power source to apply a voltage onto the electrode so as to separate the carrier on the image carrier from the image carrier, wherein the electrode has a surface along a surface of the image carrier.
摘要翻译：一种载体移除装置，包括：电极，其具有多个开口，载体通过所述开口设置成与图像载体相对;以及电源，用于向所述电极施加电压，以将所述载体上的载体与所述载体分离; 所述图像载体，其中所述电极具有沿所述图像载体的表面的表面。

3. 发明授权

US08503901B2 Image forming apparatus with a toner contamination detecting device 有权
标题翻译：具有调色剂污染检测装置的图像形成装置
公开(公告)号：US08503901B2
公开(公告)日：2013-08-06
申请号：US12877548
申请日：2010-09-08
申请人： Hiroshi Akita , Seiko Itagaki , Natsuko Minegishi , Hiroyuki Saito
发明人： Hiroshi Akita , Seiko Itagaki , Natsuko Minegishi , Hiroyuki Saito
IPC分类号： G03G21/00
CPC分类号： G03G15/169
摘要： An image forming apparatus includes: an image carrier; a latent image forming device; a developing device; an electrode which faces to the image carrier; an electric power source, a toner contamination detecting device for detecting toner contamination onto the electrode; an electrode cleaning device for cleaning the electrode; and a controlling section. The control section controls the electric power source to apply at least an alternating current voltage to the electrode so that toner image is rearranged by reciprocally moving toner of the toner image between the image carrier and the electrode control section and allows the electrode cleaning device to clean the electrode when the toner contamination detecting device detects toner contamination on the electrode, and performs the toner rearrangement by the electrode from which the toner contamination is removed.
摘要翻译：图像形成装置包括：图像载体; 潜像形成装置; 显影装置; 面向图像载体的电极; 电源，用于检测调色剂污染到电极上的调色剂污染检测装置; 用于清洁电极的电极清洁装置; 和控制部分。控制部分控制电源至少向电极施加交流电压，使得通过在图像载体和电极控制部分之间往复移动调色剂图像的调色剂来重新排列调色剂图像，并允许电极清洁装置清洁当调色剂污染检测装置检测到电极上的调色剂污染并且通过去除调色剂污染的电极执行调色剂重排时，电极。

4. 发明申请

US20110058843A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110058843A1
公开(公告)日：2011-03-10
申请号：US12877548
申请日：2010-09-08
申请人： Hiroshi Akita , Seiko Itagaki , Natsuko Minegishi , Hiroyuki Saito
发明人： Hiroshi Akita , Seiko Itagaki , Natsuko Minegishi , Hiroyuki Saito
IPC分类号： G03G21/00
CPC分类号： G03G15/169
摘要： An image forming apparatus includes: an image carrier; a latent image forming device; a developing device; an electrode which faces to the image carrier; an electric power source, a toner contamination detecting device for detecting toner contamination onto the electrode; an electrode cleaning device for cleaning the electrode; and a controlling section, wherein the control section controls the electric power source to apply at least an alternating current voltage to the electrode so that toner image is rearranged by reciprocally moving toner of the toner image between the image carrier and the electrode control section and allows the electrode cleaning device to clean the electrode when the toner contamination detecting device detects toner contamination on the electrode, and performs the toner rearrangement by the electrode from which the toner contamination is removed.
摘要翻译：图像形成装置包括：图像载体; 潜像形成装置; 显影装置; 面向图像载体的电极; 电源，用于检测调色剂污染到电极上的调色剂污染检测装置; 用于清洁电极的电极清洁装置; 以及控制部分，其中所述控制部分控制所述电源以向所述电极施加至少一个交流电压，使得通过在所述图像载体和所述电极控制部分之间往复移动调色剂图像的调色剂来重新排列调色剂图像，并允许所述电极清洁装置在所述调色剂污染检测装置检测到所述电极上的调色剂污染物时清洁所述电极，并且通过除去所述调色剂污染物的电极进行所述调色剂重排。

5. 发明授权

US08811832B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08811832B2
公开(公告)日：2014-08-19
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 , G03G15/01
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，包括添加剂的比例很高。

6. 发明授权

US08682229B2 Developing device with bias voltage and image forming apparatus 有权
标题翻译：具有偏置电压和图像形成装置的显影装置
公开(公告)号：US08682229B2
公开(公告)日：2014-03-25
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 roller, and a downstream side developing roller; wherein a toner in a 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 a photoreceptor drum.
摘要翻译：显影装置包括显影剂搅拌构件，上游侧显影辊和下游侧显影辊; 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鼓之间。

7. 发明授权

US08244164B2 Image forming apparatus with two developing rollers, and an electrode therebetween 有权
标题翻译：具有两个显影辊的图像形成装置及其间的电极
公开(公告)号：US08244164B2
公开(公告)日：2012-08-14
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： G03G15/08
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。

8. 发明申请

US20110170913A1 Image Forming Apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20110170913A1
公开(公告)日：2011-07-14
申请号：US12963567
申请日：2010-12-08
申请人： Hiroyuki Saito , Naoki Tajima , Seiko Itagaki , Natsuko Minegishi
发明人： Hiroyuki Saito , Naoki Tajima , Seiko Itagaki , Natsuko Minegishi
IPC分类号： G03G15/095
CPC分类号： G03G15/095 , G03G2221/0005 , G03G2221/0078
摘要： The present invention realizes an image forming apparatus which is equipped with a carrier recovery section of simple configuration and for which maintenance is not required, the apparatus includes: a photoconductive drum; a developing device to develop a latent image formed on the photoconductive drum by a two-component developer containing a toner and a magnetic carrier, and a carrier recovery section which is equipped with a recovery roller, wherein the carrier recovery roller includes a rotatable sleeve, and a magnet roller that is installed inside the sleeve and provided with a plurality of fixed magnetic poles including a main pole to recover the magnetic carrier adhered onto the photoconductive drum and a separating pole to separate the magnetic carrier from the recovery roller, wherein a separating member is disposed at such a position that is opposite to the sleeve at a prescribed distance in a non-contact state.
摘要翻译：本发明实现了一种图像形成装置，其具有简单结构的载体回收部分，并且不需要维护，该装置包括：感光鼓; 显影装置，用于通过含有调色剂和磁性载体的双组分显影剂显影形成在感光鼓上的潜像;以及载体回收部分，其配备有回收辊，其中载体回收辊包括可旋转套筒，以及磁性辊，其安装在所述套筒的内部并且设置有多个固定磁极，所述多个固定磁极包括主极以回收附着在所述感光鼓上的磁性载体，以及分离杆，用于将所述磁性载体与所述回收辊分离，构件以非接触状态设置在与套筒相对的位置处以规定的距离。

9. 发明申请

US20110097115A1 Carrier Removing Device and Image Forming Apparatus 有权
标题翻译：载体移除装置和图像形成装置
公开(公告)号：US20110097115A1
公开(公告)日：2011-04-28
申请号：US12904014
申请日：2010-10-13
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： G03G15/095
CPC分类号： G03G15/095 , G03G21/0047 , G03G2215/0607
摘要： A carrier removing apparatus, including: an electrode, having a plurality of openings through which a carrier passes, disposed to oppose an image carrier, and a power source to apply a voltage onto the electrode so as to separate the carrier on the image carrier from the image carrier, wherein the electrode has a surface along a surface of the image carrier.
摘要翻译：一种载体移除装置，包括：电极，其具有多个开口，载体通过所述开口设置成与图像载体相对;以及电源，用于向所述电极施加电压，以将所述载体上的载体与所述载体分离; 所述图像载体，其中所述电极具有沿所述图像载体的表面的表面。

10. 发明授权

US09077938B2 Electrostatigraphic image forming apparatus with droplet ejecting unit 有权
标题翻译：具有液滴喷射单元的气象图像形成装置
公开(公告)号：US09077938B2
公开(公告)日：2015-07-07
申请号：US13690729
申请日：2012-11-30
申请人： Hiroyuki Saito , Hiroshi Akita , Eri Yagi , Tomohiro Kawasaki
发明人： Hiroyuki Saito , Hiroshi Akita , Eri Yagi , Tomohiro Kawasaki
IPC分类号： H04N1/60 , G03G15/16
CPC分类号： H04N1/60 , G03G15/1605 , G03G15/169
摘要： An image forming apparatus includes a photosensitive drum, a developing device, a primary transfer part, a droplet ejecting unit and a controller. On the photosensitive drum, an electrostatic latent image is formed. The developing device forms a toner image by causing a developing agent to adhere to the electrostatic latent image. The primary transfer part transfers the toner image onto an intermediate transfer belt. The droplet ejecting unit ejects droplets onto the toner image on the photosensitive drum after forming the toner image on the photosensitive drum and before transferring the toner image to the transfer member. The controller controls an ejection area of the droplet ejecting unit in accordance with image information of the toner image.
摘要翻译：图像形成装置包括感光鼓，显影装置，一次转印部分，液滴喷射单元和控制器。在感光鼓上形成静电潜像。显影装置通过使显影剂粘附到静电潜像来形成调色剂图像。一次转印部分将调色剂图像转印到中间转印带上。在形成感光鼓上的调色剂图像之后并且将调色剂图像转印到转印部件之前，液滴喷射单元将液滴喷射到感光鼓上的调色剂图像上。控制器根据调色剂图像的图像信息控制液滴喷射单元的喷射区域。

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