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11. 发明申请

US20050168531A1 Liquid ejection head and image-forming apparatus using the same 有权
标题翻译：液体喷射头和使用其的成像装置
公开(公告)号：US20050168531A1
公开(公告)日：2005-08-04
申请号：US11092801
申请日：2005-03-30
申请人： Michinari Mizutani , Shuichi Murakami
发明人： Michinari Mizutani , Shuichi Murakami
IPC分类号： B41J2/14 , B41J2/15 , B41J2/16
CPC分类号： B41J2/14016 , B41J2/15 , B41J2002/14169
摘要： A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.
摘要翻译：根据本发明的液体喷射头包括沿第一方向布置的多个喷射口和多个电热换能器，用于从喷射口喷射液体，液体喷射头和打印介质经受相对运动其特征在于，沿着所述第一方向形成位于所述相对端部的端部组的所述喷射口的排列间距比形成沿着所述第一方向位于所述中央部的中心部的所述喷射口的排列间距长。根据本发明，可以消除在固体印刷中产生的白色条纹。

12. 发明授权

US06572212B2 Ink-jet printer and control method and apparatus for the same 有权
公开(公告)号：US06572212B2
公开(公告)日：2003-06-03
申请号：US09902596
申请日：2001-07-12
申请人： Yuji Konno , Miyuki Fujita , Shuichi Murakami , Michinari Mizutani , Norihiro Kawatoko , Takayuki Ogasahara , Tetsuya Edamura , Tetsuhiro Maeda
发明人： Yuji Konno , Miyuki Fujita , Shuichi Murakami , Michinari Mizutani , Norihiro Kawatoko , Takayuki Ogasahara , Tetsuya Edamura , Tetsuhiro Maeda
IPC分类号： B41J29393
CPC分类号： B41J2/04506 , B41J2/0458 , B41J2202/17
摘要： This invention relates to an ink-jet printer equipped with an ink-jet printhead and a control method and apparatus for the ink-jet printer. The printhead incorporates an EEPROM storing head information including the ink discharge amount characteristics of the printhead. The head information stored in this EEPROM is transmitted from the ink-jet printer having the printhead to the printer driver of a host computer. The printer driver then selects a gamma correction table in accordance with the head information. In this case, a gamma correction table is selected from a plurality of gamma correction tables in which pieces of correction information which make print densities uniform are stored in correspondence with ink discharge amounts. This table also includes correction data for correcting an increase in ink discharge amount to prevent beading due to an increase in ink discharge amount with a rise in the temperature of the printhead.

13. 发明授权

US07452056B2 Liquid ejection head and image-forming apparatus using the same 有权
标题翻译：液体喷射头和使用其的成像装置
公开(公告)号：US07452056B2
公开(公告)日：2008-11-18
申请号：US11092801
申请日：2005-03-30
申请人： Michinari Mizutani , Shuichi Murakami
发明人： Michinari Mizutani , Shuichi Murakami
IPC分类号： B41J2/21
CPC分类号： B41J2/14016 , B41J2/15 , B41J2002/14169
摘要： A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.
摘要翻译：根据本发明的液体喷射头包括沿第一方向布置的多个喷射口和多个电热换能器，用于从喷射口喷射液体，液体喷射头和打印介质经受相对运动其特征在于，沿着所述第一方向形成位于所述相对端部的端部组的所述喷射口的排列间距比形成沿着所述第一方向位于所述中央部的中心部的所述喷射口的排列间距长。根据本发明，可以消除在固体印刷中产生的白色条纹。

14. 发明授权

US08517509B2 Liquid ejection head and image-forming apparatus using the same 有权
公开(公告)号：US08517509B2
公开(公告)日：2013-08-27
申请号：US13164024
申请日：2011-06-20
申请人： Michinari Mizutani , Shuichi Murakami
发明人： Michinari Mizutani , Shuichi Murakami
IPC分类号： B41J2/15
CPC分类号： B41J2/14016 , B41J2/15 , B41J2002/14169
摘要： A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.

15. 发明授权

US06769755B2 Ink jet printing method and ink jet printing apparatus 有权
标题翻译：喷墨打印方法和喷墨打印设备
公开(公告)号：US06769755B2
公开(公告)日：2004-08-03
申请号：US10391629
申请日：2003-03-20
申请人： Michinari Mizutani , Shuichi Murakami
发明人： Michinari Mizutani , Shuichi Murakami
IPC分类号： B41J2938
CPC分类号： B41J2/17553 , B41J2/04563 , B41J2/0458 , B41J2/04588 , B41J2/04591 , B41J2/1752
摘要： An ink jet printing apparatus prevents deterioration of the printed image resulting from degradation of refilling characteristics caused by a rise of the printing head temperature as well as decrease in the printing speed. More particularly, the temperature of the ink ejecting head is measured so that the settings of a pulse width and a drive voltage of a drive pulse to be applied to an electro-thermal converting element are altered based on the measured temperature of the ink ejecting head in such a manner that the pulse width is shortened and the drive voltage is increased as the temperature of the ink ejecting head rises.
摘要翻译：喷墨打印设备防止由于打印头温度的升高引起的再填充特性的劣化以及打印速度的降低导致的打印图像的劣化。更具体地，测量喷墨头的温度，以便基于所测量的喷墨头的温度来改变要施加到电热转换元件的驱动脉冲的脉冲宽度和驱动电压的设置以使得脉冲宽度缩短并且驱动电压随着喷墨头的温度升高而增加。

16. 发明授权

US06557982B2 Ink jet recording method and apparatus for driving electrothermal converting elements in a dispersed manner 有权
标题翻译：喷墨记录方法和以分散方式驱动电热转换元件的装置
公开(公告)号：US06557982B2
公开(公告)日：2003-05-06
申请号：US09900011
申请日：2001-07-09
申请人： Shuichi Murakami , Hiroshi Tajika , Michinari Mizutani , Norihiro Kawatoko
发明人： Shuichi Murakami , Hiroshi Tajika , Michinari Mizutani , Norihiro Kawatoko
IPC分类号： B41J205
CPC分类号： B41J2/04505 , B41J2/0452 , B41J2/04543 , B41J2/0458 , B41J2/15
摘要： By using an ink jet recording head including an ink supply port for supplying an ink, a plurality of ink paths communicating with the ink supply port, a plurality of electro thermal converting elements arranged in an almost straight line along the longitudinal direction of the ink supply port which are disposed respectively in the plurality of ink paths and generate thermal energies utilized for discharging the ink, and a plurality of discharge ports for discharging the ink which communicate with the plurality of ink paths, respectively and are disposed by respectively facing the plurality of electro thermal converting elements, a recording is performed by disperse-driving the plurality of electro thermal converting elements.
摘要翻译：通过使用包括用于供应墨水的供墨口的喷墨记录头，与供墨口连通的多个油墨路径，沿着供墨口的长度方向布置在几乎直线上的多个电热转换元件分别设置在所述多个油墨通路中并产生用于排出油墨的热能的多个排出口，以及分别与所述多个油墨通路连通的墨排出的多个排出口，电热转换元件，通过分散驱动多个电热转换元件进行记录。

17. 发明授权

US08016383B2 Liquid ejection head and image-forming apparatus using the same 有权
标题翻译：液体喷射头和使用其的成像装置
公开(公告)号：US08016383B2
公开(公告)日：2011-09-13
申请号：US12250993
申请日：2008-10-14
申请人： Michinari Mizutani , Shuichi Murakami
发明人： Michinari Mizutani , Shuichi Murakami
IPC分类号： B41J2/15
CPC分类号： B41J2/14016 , B41J2/15 , B41J2002/14169
摘要： A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.
摘要翻译：根据本发明的液体喷射头包括沿第一方向布置的多个喷射口和多个电热换能器，用于从喷射口喷射液体，液体喷射头和打印介质经受相对运动其特征在于，沿着所述第一方向形成位于所述相对端部的端部组的所述喷射口的排列间距比形成沿着所述第一方向位于所述中央部的中心部的所述喷射口的排列间距长。根据本发明，可以消除在固体印刷中产生的白色条纹。

18. 发明授权

US06854820B2 Method for ejecting liquid, liquid ejection head and image-forming apparatus using the same 有权
标题翻译：用于喷射液体，液体喷射头和使用其的成像装置的方法
公开(公告)号：US06854820B2
公开(公告)日：2005-02-15
申请号：US10253607
申请日：2002-09-25
申请人： Shuichi Murakami , Hiroshi Tajika , Michinari Mizutani , Norihiro Kawatoko
发明人： Shuichi Murakami , Hiroshi Tajika , Michinari Mizutani , Norihiro Kawatoko
IPC分类号： B41J2/14 , B41J29/38
CPC分类号： B41J2/1404 , B41J2/1433 , B41J2002/14169 , B41J2002/14387
摘要： In an liquid ejection head according to the present invention having a plurality of ejection openings arranged in a predetermined direction and a plurality of electro-thermal transducers for ejecting liquid from the ejection openings and being in relative motion with a printing medium, a kinetic energy of the liquid ejected from each ejection opening constituting an end group disposed in the respective opposite end section along the predetermined direction is larger than a kinetic energy of the liquid ejected from each ejection opening constituting a central group disposed in a central section along the predetermined direction. According to the present invention, it is possible to prevent an ink droplet ejected from the ejection opening in the end group from being deviated toward the central section along the predetermined direction, whereby the generation of white streaks is avoidable when a solid printing is carried out.
摘要翻译：在根据本发明的具有沿预定方向布置的多个喷射口的液体喷射头中，以及多个用于从喷射口喷射液体并与打印介质相对运动的电热换能器，从构成设置在相应的相对端部的端部组的每个喷射口沿预定方向喷射的液体大于沿着预定方向布置在中心部分中的构成中心部的每个喷射口喷出的液体的动能。根据本发明，可以防止从端组中的喷射口喷出的墨滴沿着预定方向向中心部偏离，从而在进行实心打印时可以避免产生白色条纹。

19. 发明授权

US06755510B2 Ink jet recording head 失效
标题翻译：喷墨记录头
公开(公告)号：US06755510B2
公开(公告)日：2004-06-29
申请号：US10419843
申请日：2003-04-22
申请人： Shuichi Murakami , Michinari Mizutani
发明人： Shuichi Murakami , Michinari Mizutani
IPC分类号： B41J2045
CPC分类号： B41J2/145 , B41J2/1404 , B41J2002/14387 , B41J2002/14475
摘要： An ink jet recording head is the one having discharge ports for discharging liquid droplets in different discharge amounts intermixed therefor, and formed by a recording element substrate provided with the discharge portion having comparatively small discharge port, in particular, for discharging liquid in a comparatively small amount, and another recording element substrate provided with the discharge port having comparatively large discharge port, in particular, for discharging liquid in a comparatively large amount. Near the small discharge port, opening communicated with the discharge portion and open to the opening surface of the discharge port is provided. With the structure thus arranged, it is made possible to appropriately perform the suction recovery process with ease.
摘要翻译：喷墨记录头是具有用于以不同的排出量混合的液滴的排出口的喷墨记录头，由具有比较小的排出口的排出部分的记录元件基板形成，特别是用于以比较小的排出液体排出液体并且具有排出口的另一个记录元件基板具有相对较大的排出口，特别是用于以相当大的量排出液体。在小排出口附近设置有与排出部连通并与排出口的开口面开口的开口。利用如此布置的结构，可以容易地适当地执行抽吸恢复过程。

20. 发明授权

US06540335B2 Ink jet print head and ink jet printing device mounting this head 有权
标题翻译：喷墨打印头和喷墨打印装置安装这个头
公开(公告)号：US06540335B2
公开(公告)日：2003-04-01
申请号：US09203394
申请日：1998-12-02
申请人： Yoshiyuki Touge , Shuichi Murakami , Takashi Inoue
发明人： Yoshiyuki Touge , Shuichi Murakami , Takashi Inoue
IPC分类号： B41J205
CPC分类号： B41J2/14145 , B41J2/1404 , B41J2002/14387 , B41J2002/14403 , B41J2002/14467 , B41J2202/03
摘要： An ink jet print head has plural electrothermal converting elements for generating energy used to discharge an ink droplet, plural ink discharging ports arranged above the electrothermal converting elements and discharging the ink droplet, plural ink flowing paths respectively communicated with the plural ink discharge ports and internally including the electrothermal converting elements, a substrate for arranging the plural electrothermal converting elements in a columnar shape and having an ink supplying port constructed by a through port which is connected with the ink flowing paths and extends along an arranging direction of the electrothermal converting elements, and a discharging port plate having the ink discharge ports. The ink flowing paths are formed between the substrate and the discharging port plate by junctioning the discharging port plate onto the substrate. The ink jet print head further has a fluid resisting device of the ink flowing paths in which a side of the ink supplying port is opened in the vicinity of a communication portion of the ink flowing paths in an ink supplying port projecting are of the discharging port plate.
摘要翻译：喷墨打印头具有用于产生用于排出墨滴的能量的多个电热转换元件，设置在电热转换元件上方并排出墨滴的多个墨排出口，分别与多个墨排出口连通的多个墨流路，包括电热转换元件，用于将多个电热转换元件布置成柱状并具有由与所述墨流动路径连接并沿着所述电热转换元件的排列方向延伸的通孔构成的供墨口的基板，以及具有排墨口的排出口板。油墨流动路径通过将排出口板接合到基板上而形成在基板和排出口板之间。喷墨打印头还具有墨水流动路径的流体阻挡装置，其中供墨口的一侧在墨水供应口突出的墨水流动通道的连通部分的附近开口具有排出口盘子。

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