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1. 发明授权

US07440133B2 Mode switching in a color printer 有权
标题翻译：彩色打印机中的模式切换
公开(公告)号：US07440133B2
公开(公告)日：2008-10-21
申请号：US10217545
申请日：2002-08-14
申请人： Takanobu Yamada , Seiichi Munemori , Yuusuke Morikami
发明人： Takanobu Yamada , Seiichi Munemori , Yuusuke Morikami
IPC分类号： B41J1/00 , G06F15/00 , H04N1/40 , G03G15/22
CPC分类号： G03G15/01 , G03G2215/0119 , G06K15/129
摘要： A tandem-type color image forming apparatus forms an image in a monochrome mode or in a full color mode. The apparatus has a controller which delays an image forming operation for a predetermined period of time when a color mode is switched from the monochrome mode to the full color mode during different images are continuously formed.
摘要翻译：串联型彩色图像形成装置以单色模式或全色模式形成图像。该装置具有控制器，其在连续形成不同图像期间将颜色模式从单色模式切换到全色模式时将图像形成操作延迟预定时间段。

2. 发明授权

US06519438B2 Tandem type color image forming apparatus having an intermediate transfer belt 有权
标题翻译：具有中间转印带的串联型彩色图像形成装置
公开(公告)号：US06519438B2
公开(公告)日：2003-02-11
申请号：US09879196
申请日：2001-06-13
申请人： Seiichi Munemori , Takanobu Yamada , Yuusuke Morikami
发明人： Seiichi Munemori , Takanobu Yamada , Yuusuke Morikami
IPC分类号： G03G1501
CPC分类号： G03G15/0131 , G03G2215/0119
摘要： A color image forming apparatus in accordance with the present invention including an intermediate transfer member having a movable surface. The apparatus also includes plural image forming units for forming toner images on the intermediate transfer member at each of image-forming positions, and a transfer roller for transferring the toner images formed on the intermediate transfer member onto a sheet, the transfer roller having a circumferential length equal to the distance between the adjacent image forming positions.
摘要翻译：根据本发明的彩色图像形成装置包括具有可移动表面的中间转印部件。该设备还包括用于在每个成像位置在中间转印部件上形成调色剂图像的多个成像单元和用于将形成在中间转印部件上的调色剂图像转印到片材上的转印辊，该转印辊具有周向长度等于相邻图像形成位置之间的距离。

3. 发明授权

US06522843B2 Image forming apparatus capable of judging whether it is appropriate to form an image on a sheet and controlling the image formation accordingly 失效
标题翻译：能够判断在片材上形成图像是否适当并且相应地控制图像形成的图像形成装置
公开(公告)号：US06522843B2
公开(公告)日：2003-02-18
申请号：US09879093
申请日：2001-06-13
申请人： Takanobu Yamada , Seiichi Munemori , Yuusuke Morikami
发明人： Takanobu Yamada , Seiichi Munemori , Yuusuke Morikami
IPC分类号： G03G1516
CPC分类号： G03G15/1605 , G03G2215/00725 , G03G2215/00738 , G03G2215/0119 , G03G2215/0177
摘要： When it is judged that a sheet S is not an ordinary paper but a thick paper or an OHP film sheet, or that the arrival of the sheet S at a pair of timing rollers 48 is delayed due to a slip for example beyond an allowable period of time, a controller 70 judges that a condition for transferring or fixing an image on the sheet S is not met. As a result, a secondary transfer roller 34 and a cleaner 38 are retreated from an intermediate transfer belt 12, and in this state, the intermediate transfer belt 12 carrying a toner image I thereon is made idle at least about one revolution without transferring the image I.
摘要翻译：当判断纸张S不是普通纸而是厚纸或OHP膜片时，或者纸张S到达一对定时辊48时由于滑动例如超过允许周期而延迟的时间，控制器70判断不能满足在片材S上传送或固定图像的条件。结果，二次转印辊34和清洁器38从中间转印带12退回，并且在该状态下，将承载其上的调色剂图像I的中间转印带12在不转印图像的情况下至少空转至大约一圈一世。

4. 发明授权

US06463236B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US06463236B2
公开(公告)日：2002-10-08
申请号：US09874290
申请日：2001-06-06
申请人： Yuusuke Morikami , Takanobu Yamada , Seiichi Munemori , Yasunori Nakayama
发明人： Yuusuke Morikami , Takanobu Yamada , Seiichi Munemori , Yasunori Nakayama
IPC分类号： G03G1501
CPC分类号： G03G21/1633 , G03G15/0194 , G03G21/1619 , G03G2215/0119 , G03G2215/0132 , G03G2221/1642
摘要： An image forming apparatus comprising an intermediate transfer belt 12 having a horizontal belt part 12a, and a transfer section 34 arranged opposite the horizontal belt part 12a of the intermediate transfer belt 12 for transferring to a sheet overlaid images formed on the intermediate transfer belt 12 by a plurality of image forming sections 20Y, 20M, 20C, 20K for overlaying multiple images of respectively different color, wherein a belt unit 110 comprises a frame 112, at least three rollers 14, 16, 18 supported on frame 112, and the intermediate transfer belt 12 supported on the exterior surface of these rollers, and wherein the belt unit 110 can be installed and removed from the image forming apparatus body perpendicular to the shafts of the rollers 14, 16, 18, and parallel to the horizontal part 12a.
摘要翻译：一种图像形成装置，包括具有水平带部分12a的中间转印带12和与中间转印带12的水平带部分12a相对布置的转印部分34，用于转印到由中间转印带12上形成的重叠图像的片材上多个图像形成部分20Y，20M，20C，20K，用于覆盖分别不同颜色的多个图像，其中，皮带单元110包括框架112，支撑在框架112上的至少三个辊子14,16,18以及中间转印件带12支撑在这些辊的外表面上，并且其中带单元110可以垂直于辊14,16,18的轴并且平行于水平部12a从图像形成装置主体安装和移除。

5. 发明授权

US06571078B2 Color image forming apparatus 有权
公开(公告)号：US06571078B2
公开(公告)日：2003-05-27
申请号：US09892560
申请日：2001-06-28
申请人： Seiichi Munemori , Yuusuke Morikami , Takanobu Yamada
发明人： Seiichi Munemori , Yuusuke Morikami , Takanobu Yamada
IPC分类号： G03G1501
CPC分类号： G03G15/0194 , G03G2215/0119
摘要： A color image forming apparatus of the present invention comprises: an intermediate transfer member being driven to rotate by a driving roller; a plural image forming units for forming superposed toner images on the intermediate transfer member, the plural image forming units being located below the intermediate transfer belt; a transfer member for transferring the superposed toner images formed on the intermediate transfer member onto a sheet of paper in a transfer area; and a pair of rotatable conveyance rollers for conveying the paper to the transfer area in synchronization with the superposed toner images on the intermediate transfer member, wherein a first distance from a image forming position, for the image forming unit located most-downstream in the plural image forming units relative to the movement of the intermediate transfer member, to the transfer area is longer than a second distance from a nipping area formed by the pair of conveyance rollers to the transfer area.

6. 发明授权

US06418294B2 Color image forming apparatus with intermediate transfer member length a non-integral multiple of image pitch 有权
标题翻译：具有中间转印部件长度为图像间距的非整数倍的彩色图像形成装置
公开(公告)号：US06418294B2
公开(公告)日：2002-07-09
申请号：US09884141
申请日：2001-06-20
申请人： Yuusuke Morikami , Seiichi Munemori , Takanobu Yamada
发明人： Yuusuke Morikami , Seiichi Munemori , Takanobu Yamada
IPC分类号： G03G1501
CPC分类号： G03G15/0131 , G03G2215/0119
摘要： A color image forming apparatus of the present invention has an intermediate transfer member having a movable surface, a plural image forming units for forming superposed toner images on the intermediate transfer member at a predetermined image forming pitch, and a transfer member for transferring the superposed toner images formed on the intermediate transfer member onto a sheet of paper, wherein the peripheral length of the intermediate transfer member is a non-integral multiple of the image forming pitch.
摘要翻译：本发明的彩色图像形成装置具有可移动表面的中间转印元件，用于以预定图像形成间距在中间转印元件上形成重叠的调色剂图像的多个图像形成单元和用于转印叠加的调色剂形成在中间转印部件上的图像到一张纸上，其中中间转印部件的周长是图像形成间距的非整数倍。

7. 发明授权

US06823158B2 Tandem style color image forming apparatus 失效
标题翻译：串联式彩色图像形成装置
公开(公告)号：US06823158B2
公开(公告)日：2004-11-23
申请号：US10315236
申请日：2002-12-10
申请人： Takanobu Yamada , Yuusuke Morikami , Kyoichi Yoshizawa
发明人： Takanobu Yamada , Yuusuke Morikami , Kyoichi Yoshizawa
IPC分类号： G03G1501
CPC分类号： G03G15/0194 , G03G2215/0119
摘要： In an image forming apparatus in which multiple photoconductors for corresponding developers of different colors are disposed along a transfer belt or paper conveyance belt, the photoconductors are disposed at intervals that are each an integer multiple of the outer circumference length of the driving roller that drives the transfer belt or paper conveyance belt, and the distance between at least one pair of photoconductors is made different from the distances between the other pairs of photoconductors. As a result, in comparison with when all of the photoconductors are disposed at equal intervals, the degree of freedom in arranging the multiple image forming units that each include an photoconductor can be increased, while color shift among the developed images of the difference colors on the transfer belt or the like is prevented.
摘要翻译：在图像形成装置中，沿着转印带或纸传送带设置用于不同颜色的相应显影剂的多个感光体，所述感光体以驱动辊的驱动辊的外周长度的整数倍的间隔设置转印带或纸张输送带，并且至少一对感光体之间的距离与其他成对的感光体之间的距离不同。结果，与所有的感光体以相同的间隔配置的情况相比，可以增加布置各自包含感光体的多个图像形成单元的自由度，同时在不同颜色的显影图像之间的颜色偏移防止转印带等。

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