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1. 发明授权

US07841682B2 Image forming apparatus and landing position error correction method 有权
标题翻译：图像形成装置和着陆位置误差校正方法
公开(公告)号：US07841682B2
公开(公告)日：2010-11-30
申请号：US12354278
申请日：2009-01-15
申请人： Mamoru Yorimoto , Kenichi Kawabata , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino , Takumi Hagiwara
发明人： Mamoru Yorimoto , Kenichi Kawabata , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino , Takumi Hagiwara
IPC分类号： B41J2/01
CPC分类号： B41J2/2142 , B41J29/38 , B41J29/393
摘要： An image forming apparatus includes a carriage carrying a recording head configured to discharge a droplet. A landing position error detecting pattern is formed on a pattern forming member. Based on a result of reading the landing position error detecting pattern, a landing position error of the droplet discharged by the recording head is corrected. Either a first pattern or a second pattern is selected as the landing position error detecting pattern, depending on a surface condition of the pattern forming member. The first pattern produces a relatively small amount of specular reflection compared with diffused reflection, while the second pattern produces a relatively large amount of specular reflection compared with diffused reflection, upon irradiation with light.
摘要翻译：图像形成装置包括承载配置为排出液滴的记录头的托架。着陆位置误差检测图案形成在图案形成部件上。基于读取着陆位置误差检测图案的结果，校正由记录头排出的液滴的着陆位置误差。根据图案形成构件的表面状况，选择第一图案或第二图案作为着陆位置误差检测图案。与扩散反射相比，第一图案产生相对较少量的镜面反射，而与光扩散相比，第二图案与漫反射相比产生相对大量的镜面反射。

2. 发明授权

US07854489B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US07854489B2
公开(公告)日：2010-12-21
申请号：US12355176
申请日：2009-01-16
申请人： Takumi Hagiwara , Kenichi Kawabata , Mamoru Yorimoto , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino
发明人： Takumi Hagiwara , Kenichi Kawabata , Mamoru Yorimoto , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino
IPC分类号： B41J2/01
CPC分类号： B41J29/393
摘要： A disclosed image forming apparatus includes a carriage having a head for jetting droplets; a pattern forming unit configured to form, on a belt, a pattern used for detecting displacement of landing positions of the droplets; a reading unit configured to scan the belt before the pattern formation to output a first result, and scan the pattern to output a second result; a correcting unit configured to correct the displacement based on the second result; a frequency analyzing unit configured to calculate frequencies of the belt and amplitudes of respective frequency components based on the first result; and a peak frequency calculating unit configured to calculate peak frequencies of the belt based on the frequencies of the belt and the amplitudes of the frequency components, the peak frequencies being frequency components whose amplitude exceeds a predetermined level. The pattern is formed at a frequency different from the peak frequencies.
摘要翻译：公开的图像形成装置包括具有用于喷射液滴的头部的滑架; 图案形成单元，其构造成在带上形成用于检测液滴的着陆位置的位移的图案; 读取单元，被配置为在图案形成之前扫描所述带以输出第一结果，并且扫描所述图案以输出第二结果; 校正单元，被配置为基于所述第二结果校正所述位移; 频率分析单元，被配置为基于所述第一结果计算所述带的频率和各个频率分量的振幅; 以及峰值频率计算单元，被配置为基于所述带的频率和频率分量的振幅计算所述带的峰值频率，所述峰值频率是振幅超过预定水平的频率分量。该图案以与峰值频率不同的频率形成。

3. 发明申请

US20090189937A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20090189937A1
公开(公告)日：2009-07-30
申请号：US12359450
申请日：2009-01-26
申请人： Shinichiro Naruse , Kenichi Kawabata , Takayuki Niihara , Mamoru Yorimoto , Tetsu Morino , Takumi Hagiwara
发明人： Shinichiro Naruse , Kenichi Kawabata , Takayuki Niihara , Mamoru Yorimoto , Tetsu Morino , Takumi Hagiwara
IPC分类号： B41J29/38
CPC分类号： B41J29/393 , B41J29/38
摘要： A disclosed image forming apparatus includes a carriage on which a recording head is mounted that has a nozzle array where plural nozzles for ejecting droplets are arranged, the carriage being configured to be moved in a direction orthogonal to a nozzle arrangement direction; a transport belt facing the recording head and configured to transport a sheet; a print pattern forming unit configured to form a print pattern on the transport belt by causing at least the nozzles at opposing ends of the nozzle array to eject the droplets onto the transport belt while stopping the carriage; a reading unit configured to read the print pattern; a measuring unit configured to measure print positions of plural points of the print pattern in a direction orthogonal to the nozzle arrangement direction; and a detecting unit configured to detect an inclination of the recording head.
摘要翻译：公开的图像形成装置包括：滑架，安装有记录头的滑架，该记录头具有喷嘴阵列，喷嘴阵列布置有多个用于喷射液滴的喷嘴;滑架构造成沿与喷嘴布置方向正交的方向移动; 面向记录头并被配置为运送片材的传送带; 打印图案形成单元，被配置为通过使喷嘴阵列的相对端处的至少喷嘴至少在停止滑架时将液滴喷射到传送带上而在传送带上形成打印图案; 读取单元，被配置为读取所述打印图案; 测量单元，被配置为测量与喷嘴布置方向正交的方向上的打印图案的多个点的打印位置; 以及检测单元，被配置为检测记录头的倾斜度。

4. 发明申请

US20090148181A1 IMAGE FORMING APPARATUS AND CARRIAGE 有权
标题翻译：图像形成装置和运输
公开(公告)号：US20090148181A1
公开(公告)日：2009-06-11
申请号：US12326607
申请日：2008-12-02
申请人： Takayuki NIIHARA , Kenichi Kawabata , Shinichiro Naruse , Mamoru Yorimoto , Takumi Hagiwara , Tetsu Morino
发明人： Takayuki NIIHARA , Kenichi Kawabata , Shinichiro Naruse , Mamoru Yorimoto , Takumi Hagiwara , Tetsu Morino
IPC分类号： G03G21/16
CPC分类号： G03G15/5062 , G03G15/6591 , G03G2215/00468 , G03G2215/00527 , G03G2215/00974
摘要： A side wall surface of a carriage is disclosed with two first projection parts and a second projection part that define the inclination of a reflective optical sensor in its vertical direction. The two first projection parts are arranged at the same height position with a detection surface as a reference, and the second projection part is arranged at a position higher than the first projection parts with the detection surface as the reference. The second projection part has a first part higher in position from the side wall surface of the carriage than the first projection parts and has a second part lower in position than the first part. The second part has a screw hole into which a clamping member for fixing the reflective optical sensor to the second part is tightened.
摘要翻译：公开了一种滑架的侧壁表面，其具有两个第一突出部分和限定反射光学传感器在其垂直方向上的倾斜度的第二突出部分。两个第一突出部以与检测面为基准配置在相同的高度位置，以检测面为基准，第二突出部配置在高于第一突出部的位置，检测面为基准。第二突出部分具有比第一突出部分从托架的侧壁表面更高的第一部分，并且具有比第一部分更低的位置的第二部分。第二部分具有螺钉孔，用于将反射光学传感器固定到第二部分的夹紧构件被紧固到其中。

5. 发明授权

US08042904B2 Image forming apparatus and carriage 有权
标题翻译：图像形成装置和托架
公开(公告)号：US08042904B2
公开(公告)日：2011-10-25
申请号：US12326607
申请日：2008-12-02
申请人： Takayuki Niihara , Kenichi Kawabata , Shinichiro Naruse , Mamoru Yorimoto , Takumi Hagiwara , Tetsu Morino
发明人： Takayuki Niihara , Kenichi Kawabata , Shinichiro Naruse , Mamoru Yorimoto , Takumi Hagiwara , Tetsu Morino
IPC分类号： B41J29/393
CPC分类号： G03G15/5062 , G03G15/6591 , G03G2215/00468 , G03G2215/00527 , G03G2215/00974
摘要： A side wall surface of a carriage is disclosed with two first projection parts and a second projection part that define the inclination of a reflective optical sensor in its vertical direction. The two first projection parts are arranged at the same height position with a detection surface as a reference, and the second projection part is arranged at a position higher than the first projection parts with the detection surface as the reference. The second projection part has a first part higher in position from the side wall surface of the carriage than the first projection parts and has a second part lower in position than the first part. The second part has a screw hole into which a clamping member for fixing the reflective optical sensor to the second part is tightened.
摘要翻译：公开了一种滑架的侧壁表面，其具有两个第一突出部分和限定反射光学传感器在其垂直方向上的倾斜度的第二突出部分。两个第一突出部以与检测面为基准配置在相同的高度位置，以检测面为基准，第二突出部配置在高于第一突出部的位置，以检测面为基准。第二突出部分具有比第一突出部分从托架的侧壁表面更高的第一部分，并且具有比第一部分更低的位置的第二部分。第二部分具有螺钉孔，用于将反射光学传感器固定到第二部分的夹紧构件被紧固到其中。

6. 发明申请

US20090184993A1 IMAGE FORMING APPARATUS AND LANDING POSITION ERROR CORRECTION METHOD 有权
标题翻译：图像形成装置和着陆位置误差校正方法
公开(公告)号：US20090184993A1
公开(公告)日：2009-07-23
申请号：US12354278
申请日：2009-01-15
申请人： Mamoru YORIMOTO , Kenichi Kawabata , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino , Takumi Hagiwara
发明人： Mamoru YORIMOTO , Kenichi Kawabata , Takayuki Niihara , Shinichiro Naruse , Tetsu Morino , Takumi Hagiwara
IPC分类号： B41J29/38
CPC分类号： B41J2/2142 , B41J29/38 , B41J29/393
摘要： An image forming apparatus includes a carriage carrying a recording head configured to discharge a droplet. A landing position error detecting pattern is formed on a pattern forming member. Based on a result of reading the landing position error detecting pattern, a landing position error of the droplet discharged by the recording head is corrected. Either a first pattern or a second pattern is selected as the landing position error detecting pattern, depending on a surface condition of the pattern forming member. The first pattern produces a relatively small amount of specular reflection compared with diffused reflection, while the second pattern produces a relatively large amount of specular reflection compared with diffused reflection, upon irradiation with light.
摘要翻译：图像形成装置包括承载配置为排出液滴的记录头的托架。着陆位置误差检测图案形成在图案形成部件上。基于读取着陆位置误差检测图案的结果，校正由记录头排出的液滴的着陆位置误差。根据图案形成构件的表面状况，选择第一图案或第二图案作为着陆位置误差检测图案。与扩散反射相比，第一图案产生相对较少量的镜面反射，而与光扩散相比，第二图案与漫反射相比产生相对大量的镜面反射。

7. 发明申请

US20050194730A1 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20050194730A1
公开(公告)日：2005-09-08
申请号：US11068833
申请日：2005-03-02
申请人： Hajime Nishida , Manabu Nonaka , Eiki Yoshimizu , Shinichiro Naruse , Yasuhiro Kawashima , Hideki Sueoka , Tetsu Morino , Kazumasa Ishikawa , Yasunobu Youda , Akihiro Fujita , Shoji Asanuma , Masatoshi Sakakitani , Taku Kudoh , Shigeyuki Ito , Yohzoh Dohki , Koji Watanabe
发明人： Hajime Nishida , Manabu Nonaka , Eiki Yoshimizu , Shinichiro Naruse , Yasuhiro Kawashima , Hideki Sueoka , Tetsu Morino , Kazumasa Ishikawa , Yasunobu Youda , Akihiro Fujita , Shoji Asanuma , Masatoshi Sakakitani , Taku Kudoh , Shigeyuki Ito , Yohzoh Dohki , Koji Watanabe
IPC分类号： B41J2/01 , B41J11/02 , B41J13/00 , B41J13/08 , B65H5/00 , B65H29/20 , B65H29/56
CPC分类号： B41J13/08 , B41J13/10
摘要： An inkjet recording apparatus provides an improved printing speed and improved convenience of use. A recording head discharges droplets of a recording liquid onto a paper so as to form an image on the paper. A belt conveyance mechanism has a belt onto which the paper is electrostatically attached. The paper attached onto the belt is conveyed in a direction perpendicular to a carding direction of the paper.
摘要翻译：喷墨记录装置提供了改进的打印速度并提高了使用方便性。记录头将记录液体的液滴排放到纸上，以在纸上形成图像。皮带传送机构具有静电附着纸的皮带。附着在皮带上的纸在与纸的梳理方向垂直的方向上传送。

8. 发明授权

US08425006B2 Image forming apparatus including first and second carriages which are detachably attachably to each other 有权
标题翻译：图像形成装置包括彼此可拆卸地连接的第一和第二托架
公开(公告)号：US08425006B2
公开(公告)日：2013-04-23
申请号：US12957622
申请日：2010-12-01
申请人： Ryusuke Mase , Ichiro Komuro , Mamoru Yorimoto , Shinichiro Naruse , Soichi Saiga
发明人： Ryusuke Mase , Ichiro Komuro , Mamoru Yorimoto , Shinichiro Naruse , Soichi Saiga
IPC分类号： B41J2/14 , B41J2/16
CPC分类号： B41J2/16508
摘要： An image forming apparatus including a first carriage having a recording head that ejects black liquid droplets and is movable in a main scanning direction, a second carriage having a recording head that ejects color liquid droplets and is detachably attachable to the first carriage to move in the main scanning direction together with the first carriage while attached to the first carriage, and a cap member that caps the recording head of the second carriage while the first carriage is moving with the second carriage separated from the first carriage. Attachment and detachment of the second carriage to and from the first carriage are performed within a scanning range through which the first carriage is movable.
摘要翻译：一种图像形成装置，包括具有喷射黑色液滴并能够在主扫描方向上移动的记录头的第一托架，具有喷射彩色液滴的记录头的第二托架，并且可拆卸地附接到第一托架以在第一托架中移动主扫描方向与第一托架一起安装在第一托架上，盖构件在第一托架运动时盖住第二托架的记录头，第二托架与第一托架分离。第二滑架与第一滑架的附接和拆卸在第一滑架可移动的扫描范围内进行。

9. 发明授权

US08308272B2 Image forming apparatus and carriage docking mechanism 有权
标题翻译：图像形成装置和托架对接机构
公开(公告)号：US08308272B2
公开(公告)日：2012-11-13
申请号：US13028599
申请日：2011-02-16
申请人： Shinichiro Naruse , Ichiro Komuro , Mamoru Yorimoto , Soichi Saiga , Ryusuke Mase
发明人： Shinichiro Naruse , Ichiro Komuro , Mamoru Yorimoto , Soichi Saiga , Ryusuke Mase
IPC分类号： B41J23/00
CPC分类号： B41J25/34 , B41J3/543
摘要： An image forming apparatus including a first carriage movable in a main scanning direction, a second carriage separatably dockable with the first carriage, a first positioning unit to position the second carriage relative to the first carriage in a sub-scanning direction, a second positioning unit to position the second carriage relative to the first carriage in a rotary direction, and a third positioning unit to position the second carriage relative to the first carriage in the main scanning direction. The first positioning unit includes a reference shaft and notched positioning members to engage the reference shaft. The second positioning unit contacts one of the first and second carriages in the rotary direction upon docking of the first and second carriages. The third positioning unit includes a positioning member, parallel grooved members in the sub-scanning direction, and parallel shafts extending in the sub-scanning direction to engage the grooved members.
摘要翻译：一种图像形成装置，包括：可沿主扫描方向移动的第一托架，可与第一托架分离的第二托架;第一定位单元，用于相对于第一托架在副扫描方向上定位第二托架;第二定位单元相对于第一托架沿旋转方向定位第二托架;以及第三定位单元，用于相对于第一托架在主扫描方向上定位第二托架。第一定位单元包括基准轴和与基准轴啮合的缺口定位构件。第二定位单元在第一和第二滑架对接时沿着旋转方向接触第一和第二滑架中的一个。第三定位单元包括定位构件，沿副扫描方向的平行的凹槽构件，以及沿副扫描方向延伸的平行轴，以与凹槽构件接合。

10. 发明申请

US20110134190A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20110134190A1
公开(公告)日：2011-06-09
申请号：US12957622
申请日：2010-12-01
申请人： Ryusuke MASE , Ichiro Komuro , Mamoru Yorimoto , Shinichiro Naruse , Soichi Saiga
发明人： Ryusuke MASE , Ichiro Komuro , Mamoru Yorimoto , Shinichiro Naruse , Soichi Saiga
IPC分类号： B41J2/04
CPC分类号： B41J2/16508
摘要： An image forming apparatus including a first carriage having a recording head that ejects black liquid droplets and is movable in a main scanning direction, a second carriage having a recording head that ejects color liquid droplets and is detachably attachable to the first carriage to move in the main scanning direction together with the first carriage while attached to the first carriage, and a cap member that caps the recording head of the second carriage while the first carriage is moving with the second carriage separated from the first carriage. Attachment and detachment of the second carriage to and from the first carriage are performed within a scanning range through which the first carriage is movable.
摘要翻译：一种图像形成装置，包括具有喷射黑色液滴并能够在主扫描方向上移动的记录头的第一托架，具有喷射彩色液滴的记录头的第二托架，并且可拆卸地附接到第一托架以在第一托架中移动主扫描方向与第一托架一起安装在第一托架上，盖构件在第一托架运动时盖住第二托架的记录头，第二托架与第一托架分离。第二滑架与第一滑架的附接和拆卸在第一滑架可移动的扫描范围内进行。

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