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1. 发明授权

US06882819B2 Image forming apparatus for printing an image on both sides of a recording medium 失效
标题翻译：用于在记录介质的两面上打印图像的图像形成装置
公开(公告)号：US06882819B2
公开(公告)日：2005-04-19
申请号：US10228051
申请日：2002-08-27
申请人： Masahiro Yagi , Kazutaka Sato , Kenji Asuwa , Isao Nakajima
发明人： Masahiro Yagi , Kazutaka Sato , Kenji Asuwa , Isao Nakajima
IPC分类号： G03G21/14 , B65H23/192 , G03G15/00 , G03G15/01 , G03G15/23 , G03G21/00
CPC分类号： G03G15/238 , G03G15/0194 , G03G2215/00455
摘要： An image forming apparatus, having imaging units arranged alternately on both sides of a continuous paper web, is characterized by minimized image misregistration and reduced processing cost. In order to prevent possible color misregistration caused by changes in paper feed path length resulting from the eccentricity of each drive roller, the difference in the eccentric phases of the rollers on the front and back surfaces is controlled, thereby minimizing the difference in changes in paper feed path length.
摘要翻译：具有交替设置在连续纸幅的两侧的成像单元的图像形成装置的特征在于最小化图像重合失调并降低处理成本。为了防止由每个驱动辊的偏心导致的进纸路径长度变化引起的颜色不对齐，控制了前后表面上的辊的偏心相的差异，从而最小化纸张的变化的差异进给路径长度。

2. 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。

3. 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。

4. 发明授权

US07209681B2 Electrophotographic apparatus for forming a color image utilizing LED array exposure devices 有权
标题翻译：使用LED阵列曝光装置形成彩色图像的电子照相设备
公开(公告)号：US07209681B2
公开(公告)日：2007-04-24
申请号：US10695945
申请日：2003-10-30
申请人： Shintaro Yamada , Toru Miyasaka , Taichiro Yamashita , Kenji Asuwa , Masahiro Yagi
发明人： Shintaro Yamada , Toru Miyasaka , Taichiro Yamashita , Kenji Asuwa , Masahiro Yagi
IPC分类号： G03G15/04 , G03G15/01
CPC分类号： G03G15/0812 , G03G15/0121 , G03G21/1604 , G03G21/1666 , G03G21/1676 , G03G2215/0119 , G03G2215/0634 , G03G2221/1815
摘要： An electrophotographic apparatus includes a plurality of image forming devices, wherein each image forming device includes a developing device having a tip end part and a toner storage part coupled to the tip end part. A thickness of the tip end part is smaller than a thickness of the toner storage part. An exposure device, which is an LED array, is arranged near the tip end part.
摘要翻译：电子照相设备包括多个图像形成装置，其中每个图像形成装置包括具有末端部分和耦合到顶端部分的调色剂储存部分的显影装置。前端部的厚度小于调色剂存储部的厚度。作为LED阵列的曝光装置配置在前端部附近。

5. 发明授权

US07227562B2 Electrophotograhic apparatus 有权
标题翻译：电子扫描仪
公开(公告)号：US07227562B2
公开(公告)日：2007-06-05
申请号：US10694813
申请日：2003-10-29
申请人： Kenji Asuwa , Toru Miyasaka , Taichiro Yamashita , Masahiro Yagi , Shintaro Yamada
发明人： Kenji Asuwa , Toru Miyasaka , Taichiro Yamashita , Masahiro Yagi , Shintaro Yamada
IPC分类号： G03G15/01
CPC分类号： G03G15/0812 , G03G15/0121 , G03G2215/0119 , G03G2215/0634 , G03G2221/1815
摘要： Provided is a small-sized electrophotographic apparatus for which maintenance such as disposal of a jam of sheets, replacement of consumables including toner, or replacement of components to be periodically replaced can be facilitated.Thus, there is provided a tandem type electrophotographic apparatus using an intermediate transfer belt, in which photosensitive drums are arranged in a vertical one row, the intermediate transfer belt is located on one side of the row of the photosensitive drums, the developing means are located on the other side of the row of the photosensitive drums, a transfer means for transfer a toner image from the intermediate transfer belt onto a recording medium is located above the row of the photosensitive drums, a recording medium conveying path composed of a vertical conveying path (a front opening door) for conveying a recording medium fed from the recording medium supply means, outside of the developing means and substantially in parallel with the intermediate transfer belt, a curved part and a horizontal conveying path for conveying the recording medium up to a transfer means in a substantially horizontal direction, and a fixing means for fixing a toner image transferred onto the recording medium is incorporated in the horizontal conveying path (a top surface opening door), downstream of the transfer means.
摘要翻译：提供了一种小型电子照相设备，其可以便于诸如处理卡纸，包括调色剂的消耗品的更换或要定期更换的部件的更换的维护。因此，提供了一种使用中间转印带的串联型电子照相设备，其中感光鼓以垂直一排布置，中间转印带位于感光鼓的一行的一侧，显影装置位于在感光鼓的另一侧上，用于将调色剂图像从中间转印带转印到记录介质上的转印装置位于感光鼓的行之上，记录介质传送路径由竖直传送路径（前开门），用于输送从记录介质供给装置供给的记录介质，在显影装置的外部并基本上与中间转印带平行;弯曲部分和水平传送路径，用于将记录介质传送至转印装置在大致水平方向上，以及固定装置，用于固定转印到记录器上的调色剂图像丁基介质结合在水平输送路径（顶面开启门）中，在转印装置的下游。

6. 发明申请

US20050025544A1 Electrophotographic apparatus 有权
标题翻译：电子照相设备
公开(公告)号：US20050025544A1
公开(公告)日：2005-02-03
申请号：US10730112
申请日：2003-12-09
申请人： Taichiro Yamashita , Toru Miyasaka , Masahiro Yagi , Shintaro Yamada , Kenji Asuwa
发明人： Taichiro Yamashita , Toru Miyasaka , Masahiro Yagi , Shintaro Yamada , Kenji Asuwa
IPC分类号： G03G15/00 , B65H29/54 , B65H29/58 , B65H85/00 , G03G15/01 , G03G15/23
CPC分类号： G03G15/231 , G03G2215/0119
摘要： Provided is a small-sized electrophotographic apparatus having a double face printing function, which can print at a high speed even during double face printing. There are provided a recording medium conveying path 5 composed of a vertical conveying path 5a for upward conveying a sheet fed from a sheet cassette 2, outside of a developing means 60, a curved conveying path 5b and horizontal conveying path 5c for conveying the recording medium to a transfer means 50, a fusing means 51 located in the horizontal conveying path 5c, downstream of the transfer means 50, for fusing a toner image on the recording medium 2, a sheet discharge tray 53, a bypass conveying path for guiding a sheet to be subjected to double face printing, having one surface for which printing has been completed, a first branch means 58 for guiding the sheet to be subjected to double face printing from a conveying path for the sheet discharge tray 53 into the bypass conveying path 56, a reversing conveying path 54 for reversing the sheet conveyed in the bypass conveying path 54 during double face printing, a second branch means 59 for guiding the sheet which has been reversed in the reversing conveying path 54, into the horizontal conveying path 5c, and a return conveying path 57 for returning the sheet which has passed through the second branch means 59, into the return conveying path 57 for conveying the sheet to the horizontal conveying path.
摘要翻译：提供了一种具有双面打印功能的小尺寸电子照相设备，即使在双面打印期间也可以高速打印。提供了一个记录媒体传送路径5，它由垂直传送路径5a构成，用于向上传送从纸盒2供给的纸张，在显影装置60外部，弯曲传送路径5b和水平传送路径5c，用于传送记录介质传送装置50，位于水平传送路径5c中的转印装置50的下游的定影装置51，用于将记录介质2上的调色剂图像定影，片材排出托盘53，用于引导片材的旁路输送路径进行双面打印，具有一个已经完成印刷的表面，第一分支装置58，用于将用于排纸托盘53的输送路径进行双面印刷的纸张引导到旁路输送路径56中，用于在双面打印期间反转在旁路传送路径54中传送的纸张的反转输送路径54，用于引导已经反转的纸张的第二分支装置59 n反向输送路径54进入水平输送路径5c，以及用于将已经通过第二分支装置59的纸张返回到用于将纸张输送到水平输送路径的返回输送路径57中的返回输送路径57。

7. 发明申请

US20100302323A1 FLUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：流体排放头和图像形成装置
公开(公告)号：US20100302323A1
公开(公告)日：2010-12-02
申请号：US12765350
申请日：2010-04-22
申请人： Masahiro YAGI , Kenji Asuwa , Dongsik Jang , Yoshikazu Akiyama , Eiichi Ohta , Yukitoshi Tajima , Takeshi Takemoto
发明人： Masahiro YAGI , Kenji Asuwa , Dongsik Jang , Yoshikazu Akiyama , Eiichi Ohta , Yukitoshi Tajima , Takeshi Takemoto
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2/161 , B41J2/164 , B41J2002/14338 , B41J2002/14354
摘要： A fluid discharge head includes a fluid chamber filled with ink; a discharge opening configured to discharge a droplet of ink from the fluid chamber; a plurality of piezoelectric elements configured as displacement generating units to provide kinetic energy to the ink for the discharge of the ink droplet; and a vibrating plate forming a part of the fluid chamber and connected to the piezoelectric elements, the vibrating plate being configured to transmit a displacement generated by the piezoelectric elements to the ink in the fluid chamber. The vibrating plate includes vibrating portions for the respective the piezoelectric elements. The vibrating portions are configured to be independently displaced for the corresponding piezoelectric elements, and at least one of the piezoelectric elements is configured as a pressure detecting unit to detect an ink pressure in the fluid chamber.
摘要翻译：流体排放头包括填充有油墨的流体室; 排出口，其构造成从所述流体室排出墨滴; 多个压电元件，其构造为位移产生单元，以向墨水提供动能以排出墨滴; 以及形成流体室的一部分并连接到压电元件的振动板，所述振动板被配置为将由压电元件产生的位移传递到流体室中的墨。振动板包括各压电元件的振动部分。振动部分被配置为相应的压电元件独立地移位，并且至少一个压电元件被配置为压力检测单元以检测流体室中的墨水压力。

8. 发明授权

US06553206B2 Image forming apparatus 失效
公开(公告)号：US06553206B2
公开(公告)日：2003-04-22
申请号：US09996993
申请日：2001-11-30
申请人： Kenji Asuwa , Kazutaka Sato , Shigeru Obata , Yasushi Kinoshita , Akitomo Kuwabara , Tetsuya Ooba
发明人： Kenji Asuwa , Kazutaka Sato , Shigeru Obata , Yasushi Kinoshita , Akitomo Kuwabara , Tetsuya Ooba
IPC分类号： G03G1500
CPC分类号： G03G15/0194 , G03G2215/00455 , G03G2215/00746 , G03G2215/0119 , G03G2215/0158
摘要： An image forming apparatus is provided in which a misregistration of an image forming-position due to a tension, acting on a continuous recording medium, and a fluctuation thereof, is corrected with a low-cost construction to provide an image of high quality. A pair of recording medium speed detection devices are provided upstream and downstream of an image forming section, respectively, and a misregistration correction amount is calculated from a detected recording medium feed speed so as to correct the image forming position.

9. 发明授权

US06895211B2 Electrophotographic apparatus 有权
标题翻译：电子照相设备
公开(公告)号：US06895211B2
公开(公告)日：2005-05-17
申请号：US10730112
申请日：2003-12-09
申请人： Taichiro Yamashita , Toru Miyasaka , Masahiro Yagi , Shintaro Yamada , Kenji Asuwa
发明人： Taichiro Yamashita , Toru Miyasaka , Masahiro Yagi , Shintaro Yamada , Kenji Asuwa
IPC分类号： G03G15/00 , B65H29/54 , B65H29/58 , B65H85/00 , G03G15/01 , G03G15/23
CPC分类号： G03G15/231 , G03G2215/0119
摘要： Provided is a small-sized electrophotographic apparatus having a double face printing function, which can print at a high speed even during double face printing. There are provided a recording medium conveying path 5 composed of a vertical conveying path 5a for upward conveying a sheet fed from a sheet cassette 2, outside of a developing means 60, a curved conveying path 5b and horizontal conveying path 5c for conveying the recording medium to a transfer means 50, a fusing means 51 located in the horizontal conveying path 5c, downstream of the transfer means 50, for fusing a toner image on the recording medium 2, a sheet discharge tray 53, a bypass conveying path for guiding a sheet to be subjected to double face printing, having one surface for which printing has been completed, a first branch means 58 for guiding the sheet to be subjected to double face printing from a conveying path for the sheet discharge tray 53 into the bypass conveying path 56, a reversing conveying path 54 for reversing the sheet conveyed in the bypass conveying path 54 during double face printing, a second branch means 59 for guiding the sheet which has been reversed in the reversing conveying path 54, into the horizontal conveying path 5c, and a return conveying path 57 for returning the sheet which has passed through the second branch means 59, into the return conveying path 57 for conveying the sheet to the horizontal conveying path.
摘要翻译：提供了一种具有双面打印功能的小尺寸电子照相设备，即使在双面打印期间也可以高速打印。提供了一个记录介质传送路径5，它由竖直传送路径5a组成，用于向上传送从纸盒2供给的纸张，在显影装置60外部，弯曲传送路径5b和水平传送路径5c，传送装置50的记录介质，位于传送装置50下游的水平传送路径5c中的用于将记录介质2上的调色剂图像定影的定影装置51，排纸盘53，旁路传送路径用于引导经过双面打印的片材，其具有已经完成印刷的一个表面;第一分支装置58，用于将用于片材排出托盘53的输送路径进行双面打印的片材引导到旁路输送路径56，用于在双面打印期间反转在旁路输送路径54中输送的纸张的反转输送路径54;第二分支单元59，在反转输送路径54中反向进入水平输送路径5c，以及用于将已经通过第二分支装置59的纸张返回到返回输送路径57中的返回输送路径57，用于将纸张输送到水平输送路径。

10. 发明申请

US20050073572A1 Optical writing apparatus and image forming apparatus 审中-公开
标题翻译：光学写入装置和图像形成装置
公开(公告)号：US20050073572A1
公开(公告)日：2005-04-07
申请号：US10877156
申请日：2004-06-24
申请人： Masahiro Yagi , Taichiro Yamashita , Toru Miyasaka , Kenji Asuwa , Shintaro Yamada
发明人： Masahiro Yagi , Taichiro Yamashita , Toru Miyasaka , Kenji Asuwa , Shintaro Yamada
IPC分类号： B41J2/44 , B41J2/435 , B41J2/45 , B41J2/455 , G03G15/04 , H01L51/50 , H04N1/036 , H05B33/14
CPC分类号： G03G15/04072 , G03G2215/0497
摘要： A photo conductor and exposure integrally-formed type apparatus is of a drum type, and is rotated at a fixed speed in a clockwise direction. A residual toner attached to a surface of the photo conductor is removed by a cleaner, and a charging device applies a charge load uniformly to a surface of the photo conductor layer so as to charge the photo conductor layer. A light emitting layer exposes the photo conductor layer in a luminous area from an inner side, and forms a latent image on the photo conductor layer. The latent image formed on the photo conductor layer is developed by toner by a developing device, and forms an apparent image by the toner attached to the latent image. Further, the toner image appearing on the photo conductor layer is transferred on a recording medium by a transfer device. Accordingly, since no movement exists between an exposure point and an image forming point in the luminous area, an image deterioration caused by the movement is not generated.
摘要翻译：光导体和曝光一体成形型设备是鼓型，并且以顺时针方向以固定速度旋转。附着在光电导体表面上的残留调色剂通过清洁剂去除，并且充电装置将电荷负载均匀地施加到光导体层的表面，以对光导体层充电。发光层从内侧将发光区域的光导体层曝光，并在光导体层上形成潜像。形成在光导体层上的潜像由显影装置通过调色剂显影，并通过附着在潜像上的调色剂形成表观图像。此外，出现在光导体层上的调色剂图像通过转印装置在记录介质上转印。因此，由于曝光点和发光区域中的图像形成点之间没有移动，所以不会产生由移动引起的图像劣化。

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