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1. 发明授权

US08406660B2 Image forming apparatus including counter-rotating developing rollers and controlling method 有权
标题翻译：图像形成装置，包括反转显影辊和控制方法
公开(公告)号：US08406660B2
公开(公告)日：2013-03-26
申请号：US12700064
申请日：2010-02-04
申请人： Tomonari Hokkyoh , Hiroaki Maeda , Katsuhiro Akinaga , Koutarou Yamada
发明人： Tomonari Hokkyoh , Hiroaki Maeda , Katsuhiro Akinaga , Koutarou Yamada
IPC分类号： G03G15/08
CPC分类号： G03G15/09 , G03G15/5008
摘要： The disclosed image forming apparatus includes a rotatable image holding body configured to hold an electrostatic latent image on a surface of the image holding body, a developing device including a forward rotation developing roller rotatable in a same rotational direction as that of the rotatable image holding body and a reverse rotation developing roller rotatable in a reverse rotational direction to that of the rotatable image holding body, which supply a two-component developer to the surface of the image holding body to form a toner image corresponding to the electrostatic latent image, and a control unit configured to control rotation of the image holding body, the forward rotation developing roller, and the reverse rotation developing roller to supply the two-component developer. The control unit controls the rotation of the image holding body to start after a predetermined time period from starting the rotation of the forward rotation developing roller and the reverse rotation developing roller.
摘要翻译：所公开的图像形成装置包括：可旋转图像保持体，其构造成将静电潜像保持在图像保持体的表面上;显影装置，包括可旋转的旋转图像保持体的旋转方向的正转显影辊以及反转显影辊，其以与可旋转图像保持体相反的旋转方向旋转，将双组分显影剂供应到图像保持体的表面，以形成与静电潜像对应的调色剂图像;以及控制单元，被配置为控制图像保持体，正向旋转显影辊和反转显影辊的旋转，以供应双组分显影剂。控制单元控制图像保持体的旋转，以在从正向旋转显影辊和反转显影辊的旋转开始的预定时间段之后开始。

2. 发明授权

US08532545B2 Image forming apparatus and image forming method 失效
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US08532545B2
公开(公告)日：2013-09-10
申请号：US12943336
申请日：2010-11-10
申请人： Tomonari Hokkyoh , Takashi Suzuki , Koutarou Yamada , Katsuhiro Akinaga
发明人： Tomonari Hokkyoh , Takashi Suzuki , Koutarou Yamada , Katsuhiro Akinaga
IPC分类号： G03G15/09
CPC分类号： G03G15/0818 , G03G2215/0648
摘要： A developing device in an image forming apparatus includes: a first developer carrier that rotates in a same direction as a rotating direction of an image carrier of the image forming apparatus so as to supply developer to the image carrier; and a second developer carrier that rotates in a direction opposite to the rotating direction of the image carrier so as to supply the developer to the image carrier. The developing device simultaneously performs a refreshing operation of performing replacement of the developer and a filming removal operation of causing the image carrier to rotate idle while forming an image for use in the refreshing operation and causing the first and second developer carriers to rotate in their respective rotating directions.
摘要翻译：图像形成装置中的显影装置包括：第一显影剂载体，其沿与图像形成装置的图像载体的旋转方向相同的方向旋转，以将显影剂供应到图像载体; 以及第二显影剂载体，其沿与图像载体的旋转方向相反的方向旋转，以将显影剂供应到图像载体。显影装置同时执行执行显影剂的更换的刷新操作以及使图像载体在形成用于刷新操作的图像的同时使图像载体旋转空转并使第一和第二显影剂载体各自旋转的成膜操作旋转方向

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