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1. 发明授权

US06445895B1 Image forming apparatus having a belt attaching/detaching mechanism 有权
公开(公告)号：US06445895B1
公开(公告)日：2002-09-03
申请号：US09768810
申请日：2001-01-25
申请人： Satoshi Shirasawa , Kazutaka Sato , Isao Nakajima , Yukio Otome
发明人： Satoshi Shirasawa , Kazutaka Sato , Isao Nakajima , Yukio Otome
IPC分类号： G03G2116
摘要： In an image forming apparatus, attachment/detachment guide pins (10 and 11) are disposed on a side face of a belt cartridge (12). Attachment/detachment guide grooves (30, 31, and 32) which guide the attachment/detachment guide pins (10 and 11) are disposed in a frame (29) of a main unit of an image forming apparatus. A belt tension applying mechanism including a tension link (13) and a spring (15) is disposed on the side of the apparatus main unit. When the belt cartridge (12) is to be attached to the apparatus main unit, the cartridge is attached along the attachment/detachment guide grooves (30, 31, and 32), so that the rotation shaft of a tension roller (4) is easily and surely engaged with the belt tension applying mechanism (13 and 15).

2. 发明授权

US06496672B2 Image production apparatus 有权
标题翻译：图像制作装置
公开(公告)号：US06496672B2
公开(公告)日：2002-12-17
申请号：US09749551
申请日：2000-12-28
申请人： Kenji Asuwa , Kazutaka Sato , Satoshi Shirasawa , Shuho Yokokawa , Isao Nakajima , Yukio Otome
发明人： Kenji Asuwa , Kazutaka Sato , Satoshi Shirasawa , Shuho Yokokawa , Isao Nakajima , Yukio Otome
IPC分类号： G03G1500
CPC分类号： G03G15/755 , G03G15/1605 , G03G2215/00151 , G03G2215/0119
摘要： An image production apparatus includes at least one image production unit having a latent image forming device for forming a latent image on an image carrying member and a developing device for attaching toner to the latent image formed by the latent image forming device. A toner image formed by the image production unit is transferred to a transfer medium to produce an image. The image production apparatus further includes a periodicity giving device for giving periodicity to movement in a main scanning direction of the image carrying member or transfer medium. According to this periodicity, the movement time from an image forming position to a transfer position, or the movement time of a transfer medium between adjacent transfer positions is set equal to an integral multiple of the period.
摘要翻译：图像产生装置包括至少一个具有用于在图像承载部件上形成潜像的潜像形成装置和用于将调色剂附着到由潜像形成装置形成的潜像的显影装置的图像产生装置。由图像生成单元形成的调色剂图像被转印到转印介质上以产生图像。图像制作装置还包括周期性赋予装置，用于对图像承载部件或转印介质的主扫描方向进行移动的周期性。根据该周期性，从图像形成位置到传送位置的移动时间或相邻传送位置之间的传送介质的移动时间被设置为等于该周期的整数倍。

3. 发明授权

US06603942B2 Image forming apparatus having belt-shaped carrier 失效
标题翻译：具有带状载体的图像形成装置
公开(公告)号：US06603942B2
公开(公告)日：2003-08-05
申请号：US10216725
申请日：2002-08-13
申请人： Kenji Asuwa , Kazutaka Sato , Masahiro Yagi , Isao Nakajima , Yukio Otome , Akihiko Yamazaki
发明人： Kenji Asuwa , Kazutaka Sato , Masahiro Yagi , Isao Nakajima , Yukio Otome , Akihiko Yamazaki
IPC分类号： G03G1500
CPC分类号： G03G15/754 , G03G15/1615 , G03G2215/0119
摘要： An image forming apparatus has an endless belt which serves as an image carrier is characterized by reduced image misregistration and reduced machining cost. When the endless belt feed path is divided into a path from a drive roller to a tension roller, and a path from the tension roller to the drive roller, the eccentricity of an idle roller located on the path on the side including a latent image forming point is set to a value smaller than that of an idle roller located on the path not including the image forming point.
摘要翻译：图像形成装置具有用作图像载体的环形带，其特征在于减少图像重合失调并降低加工成本。当环形带馈送路径被分为从驱动辊到张紧辊的路径，以及从张紧辊到驱动辊的路径时，位于包括潜像形成侧的路径上的空转辊的偏心点被设定为小于位于不包括图像形成点的路径上的空转辊的值。

4. 发明授权

US5818496A Exposure device of electrophotographic apparatus with optical path position deciding device 失效
标题翻译：具有光路位置决定装置的电子照相设备的曝光装置
公开(公告)号：US5818496A
公开(公告)日：1998-10-06
申请号：US502056
申请日：1995-07-14
申请人： Youji Hirose , Yasuyuki Tsuji , Shuuho Yokokawa , Kunitomo Takahashi , Isao Nakajima , Muneyoshi Akai , Satoshi Aita , Sho Sawahata , Shigeo Nemoto , Yukio Otome , Katsuhito Komoda , Keiji Kataoka , Kazuhiro Akatsu
发明人： Youji Hirose , Yasuyuki Tsuji , Shuuho Yokokawa , Kunitomo Takahashi , Isao Nakajima , Muneyoshi Akai , Satoshi Aita , Sho Sawahata , Shigeo Nemoto , Yukio Otome , Katsuhito Komoda , Keiji Kataoka , Kazuhiro Akatsu
IPC分类号： B41J2/44 , B41J2/47 , G02B26/12 , G03G15/04 , H04N1/04 , H04N1/047 , H04N1/113 , H04N1/191 , B41J2/435
CPC分类号： H04N1/0473 , B41J2/473 , G02B26/123 , H04N1/1135 , H04N1/1911 , H04N2201/0476
摘要： An exposure device of an electrophotographic apparatus which includes a rotary polyhedral mirror for scanning a plurality of laser beams on a photosensitive body, a beam interval adjusting member for adjusting an interval between the laser beams, a rotating mechanism for rotating the beam interval adjusting member, and an optical path position deciding device disposed on the side of the rotary polyhedral mirror in a laser beam advancing direction at the time of adjustment of the laser beam interval, the beam interval adjusting member being rotated so that the optical paths of the laser beams are decided by the optical path position deciding device. The optical path position deciding device may include a plate-like member with boresights or a CCD sensor and a CRT display.
摘要翻译：一种电子照相设备的曝光装置，包括用于扫描感光体上的多个激光束的旋转多面体镜，用于调节激光束之间的间隔的光束间隔调节部件，用于旋转光束间隔调节部件的旋转机构，以及在调整激光束间隔时在激光束行进方向上设置在旋转多面体镜侧的光路位置决定装置，使光束间隔调整部件旋转，使得激光束的光路为由光路位置决定装置决定。光路位置决定装置可以包括具有射影的板状构件或CCD传感器和CRT显示器。

5. 发明授权

US07773896B2 Image forming apparatus and toner adhesion amount correction method 有权
标题翻译：图像形成装置和调色剂附着量校正方法
公开(公告)号：US07773896B2
公开(公告)日：2010-08-10
申请号：US11806392
申请日：2007-05-31
申请人： Makoto Yagawara , Hideharu Miki , Isao Nakajima , Akihiko Yamazaki , Akira Asaoka , Yukio Otome , Souichi Nakazawa
发明人： Makoto Yagawara , Hideharu Miki , Isao Nakajima , Akihiko Yamazaki , Akira Asaoka , Yukio Otome , Souichi Nakazawa
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G15/5058 , G03G2215/00059 , G03G2215/00063
摘要： According to one embodiment, an image forming apparatus includes an image carrier, a image forming unit, a measurement unit and a controller. The image carrier includes a central region on which a target image as an object of an image forming is formed and a peripheral region placed outward of the central region. The image forming unit forms a reference image on the peripheral region and the central region, before the image forming is started. Also, the image forming unit forms the target image on the central region based on a preset condition and a third reference image on the peripheral region, during the image forming. The measurement unit measures a physical quantity for the reference images.
摘要翻译：根据一个实施例，图像形成装置包括图像载体，图像形成单元，测量单元和控制器。图像载体包括形成作为图像形成对象的目标图像的中心区域，以及设置在中央区域外侧的周边区域。在图像形成开始之前，图像形成单元在周边区域和中心区域上形成参考图像。此外，图像形成单元在图像形成期间，基于周边区域上的预设条件和第三参考图像，在中心区域上形成目标图像。测量单元测量参考图像的物理量。

6. 发明授权

US07539453B2 Printer capable of reserving sheet wrapping width 有权
标题翻译：打印机能够保留纸张包装宽度
公开(公告)号：US07539453B2
公开(公告)日：2009-05-26
申请号：US11107820
申请日：2005-04-18
申请人： Yukio Otome , Isao Nakajima , Sho Sawahata , Akihiko Yamazaki , Yukinori Sakuma
发明人： Yukio Otome , Isao Nakajima , Sho Sawahata , Akihiko Yamazaki , Yukinori Sakuma
IPC分类号： G03G15/00 , G03G15/01
CPC分类号： G03G15/167 , G03G2215/00409 , G03G2215/1614
摘要： To provide a printer capable of minimizing the effect of a wrapping member, which is used for wrapping a recording form around a photoconductor, on image quality and realizing high image quality printing, a conveying roller 6, wrapping roller 8, and transfer units 36a and 36b are arranged so that a line La connecting a center Ca of a roller 38a and a transfer point Ta and a line Lb connecting a center Cb of a roller 38b and a transfer point Tb are inclined to a central line A-A and are almost symmetric to the central line A-A. When the wrapping width W of the form around belt photoconductors 32a and 32b is specified to 5 mm≦W≦25 mm, even when a wrapping roller is not arranged between printing units 30a and 30b, a fixed wrapping width of the form S around the belt photoconductors 32a and 32b is reserved.
摘要翻译：为了提供一种能够最小化用于将感光体周围的记录形式包裹的卷绕构件对图像质量和实现高图像质量打印的影响的打印机，输送辊6，包裹辊8和传送单元36a和 36b被布置成使得连接辊38a的中心Ca和转印点Ta的线La和连接辊38b的中心Cb和转印点Tb的线Lb相对于中心线AA倾斜并几乎对称于中线AA。当带状感光体32a和32b周围的形状的包裹宽度W被规定为5mm≤W≤25mm时，即使在打印单元30a和30b之间没有布置包装辊的情况下，形式S的固定包装宽度带周围的感光体32a和32b被保留。

7. 发明申请

US20080044192A1 Image forming apparatus and toner adhesion amount correction method 有权
标题翻译：图像形成装置和调色剂附着量校正方法
公开(公告)号：US20080044192A1
公开(公告)日：2008-02-21
申请号：US11806392
申请日：2007-05-31
申请人： Makoto Yagawara , Hideharu Miki , Isao Nakajima , Akihiko Yamazaki , Akira Asaoka , Yukio Otome , Souichi Nakazawa
发明人： Makoto Yagawara , Hideharu Miki , Isao Nakajima , Akihiko Yamazaki , Akira Asaoka , Yukio Otome , Souichi Nakazawa
IPC分类号： G03G15/00 , G03G15/02 , G03G15/043 , G03G15/08
CPC分类号： G03G15/5041 , G03G15/5058 , G03G2215/00059 , G03G2215/00063
摘要： According to one embodiment, an image forming apparatus includes an image carrier, a image forming unit, a measurement unit and a controller. The image carrier includes a central region on which a target image as an object of an image forming is formed and a peripheral region placed outward of the central region. The image forming unit forms a reference image on the peripheral region and the central region, before the image forming is started. Also, the image forming unit forms the target image on the central region based on a preset condition and a third reference image on the peripheral region, during the image forming. The measurement unit measures a physical quantity for the reference images.
摘要翻译：根据一个实施例，图像形成装置包括图像载体，图像形成单元，测量单元和控制器。图像载体包括形成作为图像形成对象的目标图像的中心区域，以及设置在中央区域外侧的周边区域。在图像形成开始之前，图像形成单元在周边区域和中心区域上形成参考图像。此外，图像形成单元在图像形成期间，基于周边区域上的预设条件和第三参考图像，在中心区域上形成目标图像。测量单元测量参考图像的物理量。

8. 发明申请

US20050232670A1 Printer capable of reserving sheet wrapping width 有权
标题翻译：打印机能够保留纸张包装宽度
公开(公告)号：US20050232670A1
公开(公告)日：2005-10-20
申请号：US11107820
申请日：2005-04-18
申请人： Yukio Otome , Isao Nakajima , Sho Sawahata , Akihiko Yamazaki , Yukinori Sakuma
发明人： Yukio Otome , Isao Nakajima , Sho Sawahata , Akihiko Yamazaki , Yukinori Sakuma
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/167 , G03G2215/00409 , G03G2215/1614
摘要： To provide a printer capable of minimizing the effect of a wrapping member, which is used for wrapping a recording form around a photoconductor, on image quality and realizing high image quality printing, a conveying roller 6, wrapping roller 8, and transfer units 36a and 36b are arranged so that a line La connecting a center Ca of a roller 38a and a transfer point Ta and a line Lb connecting a center Cb of a roller 38b and a transfer point Tb are inclined to a central line A-A and are almost symmetric to the central line A-A. When the wrapping width W of the form around belt photoconductors 32a and 32b is specified to 5 mm≦W≦25 mm, even when a wrapping roller is not arranged between printing units 30a and 30b, a fixed wrapping width of the form S around the belt photoconductors 32a and 32b is reserved.
摘要翻译：为了提供能够最小化用于将感光体周围的记录形式包裹的卷绕构件对图像质量和实现高图像质量打印的影响的打印机，输送辊6，包裹辊8和传送单元36a 36b布置成使得连接辊38a的中心Ca和转印点Ta的线La和连接辊子38b的中心Cb和转印点Tb的线Lb相对于中心线AA倾斜，并且几乎与中心线AA对称。当带状感光体32a和32b周围的形状的包裹宽度W被规定为5mm≤W<= 25mm时，即使在打印单元30a和30b之间没有布置包装辊，固定的包装宽度围绕带子感光体32a和32b的形式S被保留。

9. 发明授权

US10286666B2 Ink discharge device and ink discharge method 有权
公开(公告)号：US10286666B2
公开(公告)日：2019-05-14
申请号：US15794068
申请日：2017-10-26
申请人： Masahiko Ishikawa , Hiroshi Gotou , Takahiro Yoshida , Yukio Otome
发明人： Masahiko Ishikawa , Hiroshi Gotou , Takahiro Yoshida , Yukio Otome
IPC分类号： B41J2/14
摘要： An ink discharge device is provided including an ink, an ink discharge head, and a circulator. The ink discharge head includes a nozzle, an individual liquid chamber communicated with the nozzle, a flow-in channel, and a flow-out channel. The circulator circulates the ink by letting the ink flow into the individual liquid chamber via the flow-in channel and flow out from the individual liquid chamber via the flow-out channel. A flow rate of the circulated ink is 0.10 to 1.50 times a maximum dischargeable rate of the ink discharge head. A dynamic surface tension A of the ink at 25° C. is 34.0 mN/m or less when measured by a maximum bubble pressure method at a surface lifetime of 15 msec, and the dynamic surface tension A and a static surface tension B of the ink at 25° C. satisfy the following relation: 10.0(%)≤[(A−B)/(A+B)]×100≤19.0(%).

10. 发明申请

US20080226321A1 IMAGE FORMING APPARATUS AND TANDEM IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置和条形图像形成装置
公开(公告)号：US20080226321A1
公开(公告)日：2008-09-18
申请号：US12047859
申请日：2008-03-13
申请人： Akitomo Kuwabara , Tsukasa Onose , Sho Sawahata , Yukio Otome , Akihiko Yamazaki , Hiroyuki Mabuchi
发明人： Akitomo Kuwabara , Tsukasa Onose , Sho Sawahata , Yukio Otome , Akihiko Yamazaki , Hiroyuki Mabuchi
IPC分类号： G03G15/16
CPC分类号： G03G15/167 , G03G2215/0054
摘要： An image forming apparatus has a photoconductive drum or belt supporting a toner image, a transfer member transferring the toner image onto a recording medium, a transportation device transporting the recording medium to between the photoconductor and the transfer member, a charger charging a surface of the transfer member to the anti-polarity of the electric charge of the toner image, a rotation drive unit rotating the transfer member to the same direction of the recording medium transportation, a contacting /removing unit that contacts the transfer member to the image supported member for printing and removes the transfer member from the image supported member when not printing, and a drive force transferring/blocking unit that transfers the drive force from the rotation drive unit to the transfer member before print starting-up and blocking the drive force during printing.
摘要翻译：图像形成装置具有支撑调色剂图像的感光鼓或带，将调色剂图像转印到记录介质上的转印部件，将记录介质传送到光电导体和转印部件之间的输送装置，转印构件到调色剂图像的电荷的反极性;旋转驱动单元，使转印构件转动到记录介质输送的相同方向;接触/去除单元，其将转印构件接触到图像支撑构件，用于在不打印时从图像支撑构件打印和移除传送构件;以及驱动力传递/阻挡单元，其在打印之前将驱动力从旋转驱动单元传递到传送构件，并且在打印期间阻挡驱动力。

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