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1. 发明授权

US08521054B2 Charging device 有权
标题翻译：充电装置
公开(公告)号：US08521054B2
公开(公告)日：2013-08-27
申请号：US13032485
申请日：2011-02-22
申请人： Hiroyuki Kidaka
发明人： Hiroyuki Kidaka
IPC分类号： G03G21/00
CPC分类号： G03G15/0291 , G03G2215/026
摘要： The present invention provides a charging device which can suppress the deterioration of a photosensitive member and the occurrence of an image deletion phenomenon on an electrophotographic image due to an electric discharge product having deposited on a charger shutter, even when having been used for a long period of time. The charging device has an image bearing member which bears an image thereon, a charging member which charges the image bearing member, and a shielding member which shields the charging member from the image bearing member, wherein the shielding member includes a specific material.
摘要翻译：本发明提供了一种充电装置，即使长时间使用也能够抑制感光元件的劣化，以及由于放电产品沉积在充电器遮光板上而导致的电子照相图像上的图像删除现象的发生的时间。充电装置具有在其上具有图像的图像承载部件，对图像承载部件充电的充电部件以及将充电部件与图像承载部件进行屏蔽的屏蔽部件，其中，遮蔽部件包括特定材料。

2. 发明授权

US08204399B2 Method and apparatus for automatic corotron cleaning in an image production device 有权
标题翻译：在图像制作装置中进行自动电晕清洗的方法和装置
公开(公告)号：US08204399B2
公开(公告)日：2012-06-19
申请号：US12182246
申请日：2008-07-30
申请人： Robert Arnold Gross , Michael Nicholas Soures , John Chinnici
发明人： Robert Arnold Gross , Michael Nicholas Soures , John Chinnici
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G15/0225 , G03G15/5037 , G03G15/5079 , G03G15/55 , G03G2215/026
摘要： A method and apparatus for automatic corotron cleaning in an image production device is disclosed. The method may include receiving a first dynamic current reading, the dynamic current being the current supplied to a photoreceptor of the image production device, determining if the first dynamic current reading exceeds a predetermined threshold, the predetermined threshold being a threshold set on the allowable variation in the dynamic current value, wherein if it is determined that the first dynamic current reading exceeds the predetermined threshold, sending a signal to a cleaning device to clean the corotron, determining that the corotron has been cleaned, receiving a second current reading, determining if the second dynamic current reading exceeds the predetermined threshold, wherein if it is determined that the second dynamic current reading exceeds the predetermined threshold, sending a signal to prompt a user to replace the corotron in the image production device.
摘要翻译：公开了一种用于在图像制作装置中进行自动滚筒清洗的方法和装置。该方法可以包括接收第一动态电流读数，动态电流是提供给图像产生装置的感光体的电流，确定第一动态电流读数是否超过预定阈值，该预定阈值是对容许变化设定的阈值在所述动态电流值中，其中如果确定所述第一动态电流读数超过所述预定阈值，则将信号发送到清洁装置以清洁所述电晕管，确定所述电晕管已被清洁，接收第二电流读数，确定是否所述第二动态电流读数超过所述预定阈值，其中，如果确定所述第二动态电流读数超过所述预定阈值，则发送信号以提示用户更换所述图像制作装置中的所述电晕管。

3. 发明申请

US20110236072A1 ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：电子发射元件及其制造方法
公开(公告)号：US20110236072A1
公开(公告)日：2011-09-29
申请号：US13069852
申请日：2011-03-23
申请人： Yasuo Imura , Hiroyuki Hirakawa , Ayae Nagaoka , Kanako Hirata , Tadashi Iwamatsu
发明人： Yasuo Imura , Hiroyuki Hirakawa , Ayae Nagaoka , Kanako Hirata , Tadashi Iwamatsu
IPC分类号： G03G15/02 , H01J9/04 , H01T23/00 , H01J9/02 , H05B41/00 , G01J1/42
CPC分类号： H01J1/312 , B82Y10/00 , G03G15/02 , G03G2215/026 , H01J9/022 , H01J2201/3125
摘要： The present invention provides an electron emitting element, comprising: a first electrode; an insulating fine particle layer formed on the first electrode; and comprising first insulating fine particles and second insulating fine particles larger than the first insulating fine particles, a surface of the insulating fine particle layer having a projection formed from the second insulating fine particles, and a second electrode formed on the insulating fine particle layer, wherein when a voltage is applied between the first electrode and the second electrode, electrons provided from the first electrode are accelerated in the insulating fine particle layer to be emitted from the second electrode via the projection.
摘要翻译：本发明提供一种电子发射元件，包括：第一电极; 形成在所述第一电极上的绝缘性微粒层; 并且包括第一绝缘细颗粒和大于第一绝缘细颗粒的第二绝缘细颗粒，绝缘细颗粒层的表面具有由第二绝缘细颗粒形成的突起和形成在绝缘细颗粒层上的第二电极，其中当在所述第一电极和所述第二电极之间施加电压时，从所述第一电极提供的电子在所述绝缘细颗粒层中被加速以经由所述突起从所述第二电极发射。

4. 发明申请

US20080260438A1 IMAGE FORMING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
标题翻译：图像形成单元，过程盒和图像形成装置
公开(公告)号：US20080260438A1
公开(公告)日：2008-10-23
申请号：US11852572
申请日：2007-09-10
申请人： Junroh Uda , Sadayuki Iwai
发明人： Junroh Uda , Sadayuki Iwai
IPC分类号： G03G21/00
CPC分类号： G03G15/0291 , G03G15/0194 , G03G2215/0119 , G03G2215/026 , G03G2215/027
摘要： An image forming apparatus includes a plurality of toner-image forming units. Each toner-image forming unit includes a photosensitive drum and a charging unit that is arranged to abut against or remain detached from the photosensitive drum, and that electrically charges the photosensitive drum. Each of the toner-image forming units forms an image of a different color. At least one of the charging units functions as a corona charging unit and at least another one of the charging units functions as a non-contact charging unit.
摘要翻译：图像形成装置包括多个调色剂图像形成单元。每个调色剂图像形成单元包括感光鼓和充电单元，其被布置成抵靠或保持与感光鼓分离，并且对感光鼓进行电荷充电。每个调色剂图像形成单元形成不同颜色的图像。至少一个充电单元用作电晕充电单元，并且至少另一个充电单元用作非接触充电单元。

5. 发明申请

US20070223961A1 CHARGING DEVICE, PHOTOCONDUCTIVE DRUM UNIT, AND IMAGE FORMING DEVICE 有权
标题翻译：充电装置，光电鼓组和图像形成装置
公开(公告)号：US20070223961A1
公开(公告)日：2007-09-27
申请号：US11681904
申请日：2007-03-05
申请人： Naritoshi TAKAMATSU
发明人： Naritoshi TAKAMATSU
IPC分类号： G03G21/18 , G03G15/02
CPC分类号： G03G15/0291 , G03G2215/026 , G03G2215/028
摘要： A photoconductive drum unit includes a frame, a photoconductive drum, and a scorotron charging unit. The charging unit includes a pair of mounting members, a discharging electrode filament, a shield casing, a grid, and a connecting member. The mounting members are mounted and fixed at both end portions of the frame. The discharging electrode filament extends between the mounting members in a tensioned state. The shield casing is supported by being connected between the mounting members and covers the discharging electrode filament. The grid extends between the mounting members in a tensioned state and is arranged in an opening of the shield casing. The connecting member connects the mounting members and the shield casing in a state in which a slight displacement is permitted between the mounting members and the shield casing.
摘要翻译：感光鼓单元包括框架，感光鼓和烧烤炉充电单元。充电单元包括一对安装构件，放电电极丝，屏蔽壳，栅格和连接构件。安装构件安装并固定在框架的两端部。放电电极丝在张紧状态下在安装构件之间延伸。屏蔽壳体通过连接在安装构件之间并覆盖放电电极灯丝而被支撑。栅格在张紧状态下在安装构件之间延伸并且布置在屏蔽壳体的开口中。连接构件在安装构件和屏蔽壳体之间允许轻微位移的状态下连接安装构件和屏蔽壳体。

6. 发明申请

US20060024083A1 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20060024083A1
公开(公告)日：2006-02-02
申请号：US11172805
申请日：2005-07-05
申请人： Takashi Hori , Kuniaki Nakano , Tomohiko Fujii , Yoshie Iwakura
发明人： Takashi Hori , Kuniaki Nakano , Tomohiko Fujii , Yoshie Iwakura
IPC分类号： G03G21/20
CPC分类号： G03G15/0258 , G03G2215/026
摘要： In an image forming apparatus that uses a charging unit to charge a photosensitive drum, forms an electrostatic latent image by carrying out image exposure according to image information, and transfers to a paper the electrostatic latent image by developing the electrostatic latent image into a visible image using a developer so that the image information is presented, an exhaust duct 33 for exhausting air that contains ozone produced within a drum unit 30, which includes a photosensitive drum 3 and a charging unit 5, and a duct 32 for taking in air, which draws in fresh air, are provided within the drum unit 30 so that ventilation of the drum unit 30 can be carried out with excellent efficiency.
摘要翻译：在使用充电单元对感光鼓充电的图像形成装置中，通过根据图像信息执行图像曝光形成静电潜像，并且通过将静电潜像显影成可视图像将该静电潜像转印到纸上使用显影剂使得显示图像信息;用于排出包含在包括感光鼓3和充电单元5的鼓单元30内产生的臭氧的空气的排气管33和用于吸入空气的管道32，吸入新鲜空气，设置在鼓单元30内，从而可以以优异的效率进行鼓单元30的通风。

7. 发明申请

US20050214026A1 Electrophotographic reproduction system with a multifaceted charging mechanism 有权
标题翻译：具有多面充电机制的电子照相再现系统
公开(公告)号：US20050214026A1
公开(公告)日：2005-09-29
申请号：US11081426
申请日：2005-03-16
申请人： Daniel Palmer , Douglas DeHollander
发明人： Daniel Palmer , Douglas DeHollander
IPC分类号： G03G15/02
CPC分类号： G03G15/0233 , G03G15/0291 , G03G2215/026
摘要： A charging mechanism for an electrophotographic reproduction system has a charger cartridge inserted into a charger sleeve. The charger cartridge has multiple facets, each with a corona charger. The charger cartridge is positioned in the charger sleeve to have the corona charger of one facet adjacent to a photoconductor in the electrophotographic reproduction system. The charger cartridge may be repositioned in the charger sleeve to have another corona charger from another facet adjacent to the photoconductor.
摘要翻译：用于电子照相再现系统的充电机构具有插入充电器套筒中的充电器盒。充电器盒具有多个刻面，每个具有电晕充电器。充电器盒位于充电器套筒中，以使电子照相再现系统中的与感光体相邻的一个面的电晕充电器。充电器盒可以重新定位在充电器套筒中以从另一个与感光体相邻的小面上具有另一个电晕充电器。

8. 发明申请

US20160161878A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160161878A1
公开(公告)日：2016-06-09
申请号：US14953602
申请日：2015-11-30
申请人： CANON KABUSHIKI KAISHA
发明人： Kenichiro Kitajima
IPC分类号： G03G15/02
CPC分类号： G03G15/0266 , G03G13/02 , G03G15/0283 , G03G15/0291 , G03G2215/026 , G03G2215/027
摘要： An image forming apparatus includes a rotatable photosensitive member (drum), a first corona charger, a second corona charger, an image forming portion, a voltage applying portion, a surface potential detecting portion, a controller. The controller determines a condition of voltages applied to the first and second corona chargers during image formation, by setting a first voltage condition for the first corona charger so that the surface potential of the drum is a second potential lower in absolute value than the first potential in a state in which the first corona charger operates, and the second corona charger does not operates, and then by setting a second voltage condition for the second corona charger so that the surface potential of the drum is the first potential in a state in which the first corona charger operates under the first voltage condition, and the second corona charger operates.
摘要翻译：图像形成装置包括可旋转的感光部件（鼓），第一电晕充电器，第二电晕充电器，图像形成部分，电压施加部分，表面电位检测部分，控制器。控制器通过设置第一电晕充电器的第一电压条件来确定在图像形成期间施加到第一和第二电晕充电器的电压的条件，使得滚筒的表面电位具有比第一电位的绝对值更低的第二电位在第一电晕充电器工作的状态下，第二电晕充电器不工作，然后通过设定第二电晕充电器的第二电压条件使得鼓的表面电位为第一电位，其中，第一电晕充电器在第一电压条件下工作，第二电晕充电器工作。

9. 发明授权

US08682222B2 Charging device having a shielding member 有权
标题翻译：具有屏蔽构件的充电装置
公开(公告)号：US08682222B2
公开(公告)日：2014-03-25
申请号：US13770860
申请日：2013-02-19
申请人： Canon Kabushiki Kaisha
发明人： Hiroyuki Kidaka
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G2215/026
摘要： The present invention provides a charging device which can suppress the deterioration of a photosensitive member and the occurrence of an image deletion phenomenon on an electrophotographic image due to an electric discharge product having deposited on a charger shutter, even when having been used for a long period of time. The charging device has an image bearing member which bears an image thereon, a charging member which charges the image bearing member, and a shielding member which shields the charging member from the image bearing member, wherein the shielding member includes a specific material.
摘要翻译：本发明提供了一种充电装置，即使长时间使用也能够抑制感光元件的劣化，以及由于放电产品沉积在充电器遮光板上而导致的电子照相图像上的图像删除现象的发生的时间。充电装置具有在其上具有图像的图像承载部件，对图像承载部件充电的充电部件以及将充电部件与图像承载部件进行屏蔽的屏蔽部件，其中，遮蔽部件包括特定材料。

10. 发明授权

US08385779B2 Charging device including a multi-portion sheet member for shielding a corona charger 失效
标题翻译：充电装置包括用于屏蔽电晕充电器的多部分薄片部件
公开(公告)号：US08385779B2
公开(公告)日：2013-02-26
申请号：US12793857
申请日：2010-06-04
申请人： Shigeki Takishita
发明人： Shigeki Takishita
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G2215/026 , G03G2215/027
摘要： A charging device includes a corona charger for electrically charging a photosensitive member; a shutter, having first surfaces at which the shutter opposes the corona charger and having second surfaces at which the shutter opposes the photosensitive member, for covering and uncovering an opening of the corona charger with respect to a longitudinal direction of the opening; and a retracting device for retracting the shutter when the opening is uncovered. The retracting device retracts the shutter in a state in which the first surfaces contact each other so that the first surfaces and the second surfaces do not contact each other.
摘要翻译：充电装置包括用于对感光构件充电的电晕充电器; 快门，其具有第一表面，快门与电晕充电器相对，并且具有第二表面，快门与感光构件相对，用于相对于开口的纵向方向覆盖和露出电晕充电器的开口; 以及用于当开口未被覆盖时收回快门的回缩装置。回缩装置在第一表面彼此接触的状态下使快门缩回，使得第一表面和第二表面彼此不接触。

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