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公开(公告)号：US20140035978A1
公开(公告)日：2014-02-06
申请号：US14111526
申请日：2012-04-13
申请人： Naoto Sasagawa , Koichi Kitakami , Ryota Kashu
发明人： Naoto Sasagawa , Koichi Kitakami , Ryota Kashu
IPC分类号： B41J2/045
CPC分类号： B41J2/04581 , B41J2/04501 , B41J2/04588 , B41J2/14233
摘要： A method of driving a liquid ejection head includes preparing a liquid ejection head including first and second flow paths, and a piezoelectric element, a first step of applying a first voltage, which expands the second flow path, to the piezoelectric element while a meniscus of a liquid recessed from an orifice toward the second flow path is formed in a first flow path to move the meniscus to the second flow path, a second step of applying a second voltage, which contracts the second flow path, to the piezoelectric element while the meniscus that moves toward the first flow path is positioned in the second flow path to move the liquid to the first flow path, and a third step of applying a third voltage, which expands the second flow path, to the piezoelectric element to eject the liquid from the orifice after the liquid projects from the orifice.
摘要翻译： 驱动液体喷射头的方法包括制备包括第一和第二流动路径的液体喷射头和压电元件，第一步骤是将第二流动通道膨胀的第一电压施加到压电元件，同时弯曲面 在第一流路中形成从孔口朝向第二流路凹陷的液体，以将弯液面移动到第二流路;第二步骤，将压缩第二流路的第二电压施加到压电元件，同时 朝向第一流动路径移动的弯月面位于第二流动路径中以将液体移动到第一流动路径，并且第三步骤将将第二流动通道膨胀的第三电压施加到压电元件以喷射液体 液体从孔口突出后从孔口开始。
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公开(公告)号：US09259923B2
公开(公告)日：2016-02-16
申请号：US14111526
申请日：2012-04-13
申请人： Naoto Sasagawa , Koichi Kitakami , Ryota Kashu
发明人： Naoto Sasagawa , Koichi Kitakami , Ryota Kashu
CPC分类号： B41J2/04581 , B41J2/04501 , B41J2/04588 , B41J2/14233
摘要： A method of driving a liquid ejection head includes preparing a liquid ejection head including first and second flow paths, and a piezoelectric element, a first step of applying a first voltage, which expands the second flow path, to the piezoelectric element while a meniscus of a liquid recessed from an orifice toward the second flow path is formed in a first flow path to move the meniscus to the second flow path, a second step of applying a second voltage, which contracts the second flow path, to the piezoelectric element while the meniscus that moves toward the first flow path is positioned in the second flow path to move the liquid to the first flow path, and a third step of applying a third voltage, which expands the second flow path, to the piezoelectric element to eject the liquid from the orifice after the liquid projects from the orifice.
摘要翻译： 驱动液体喷射头的方法包括制备包括第一和第二流动路径的液体喷射头和压电元件，第一步骤是将第二流动通道膨胀的第一电压施加到压电元件，同时弯曲面 在第一流路中形成从孔口朝向第二流路凹陷的液体，以将弯液面移动到第二流路;第二步骤，将压缩第二流路的第二电压施加到压电元件，同时 朝向第一流动路径移动的弯月面位于第二流动路径中以将液体移动到第一流动路径，并且第三步骤将将第二流动通道膨胀的第三电压施加到压电元件以喷射液体 液体从孔口突出后从孔口开始。
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公开(公告)号：US08573744B2
公开(公告)日：2013-11-05
申请号：US13178771
申请日：2011-07-08
申请人： Ryota Kashu , Koichi Kitakami , Akio Saito
发明人： Ryota Kashu , Koichi Kitakami , Akio Saito
IPC分类号： B41J2/14
摘要： A continuous type liquid ejection head includes an ejection opening plate formed with ejection openings, from which a pressurized liquid is ejected, and a deforming unit. The ejection opening plate is made of an elastic plate containing a rubber material, at least at portions that are formed with the ejection openings. The deforming unit is arranged adjacent to the ejection opening plate and is configured to deform the elastic plate so that areas of the ejection openings are periodically changed.
摘要翻译： 连续型液体喷射头包括形成有喷射开口的喷射开口板，喷射开口被加压液体和变形单元。 喷射开口板至少在形成有喷射口的部分处由包含橡胶材料的弹性板制成。 变形单元被布置成与排出开口板相邻，并且构造成使弹性板变形，使得喷射口的区域周期性地改变。
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公开(公告)号：US20120033015A1
公开(公告)日：2012-02-09
申请号：US13178771
申请日：2011-07-08
申请人： Ryota Kashu , Koichi Kitakami , Akio Saito
发明人： Ryota Kashu , Koichi Kitakami , Akio Saito
IPC分类号： B41J2/14
摘要： An inkjet print head is provided which can perform a good cleaning operation on its surface formed with ejection openings and improve a precision at which ink droplets land on a print medium. To this end, a conductive layer made of a conductive material is formed on a support board and subjected to a planarization process. A liquid ejection board is mounted on the support board at a predetermined position with high precision in such a manner that a sealing agent to protect electrical connections on the liquid ejection board does not protrude from the ejection opening surface.
摘要翻译： 提供一种喷墨打印头，其能够在其形成有喷射口的表面上执行良好的清洁操作，并提高墨滴落在打印介质上的精度。 为此，在支撑板上形成由导电材料制成的导电层并进行平坦化处理。 液体排出板以高精度安装在预定位置的支撑板上，使得用于保护液体喷射板上的电连接的密封剂不会从喷射口表面突出。
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公开(公告)号：US08517518B2
公开(公告)日：2013-08-27
申请号：US13287402
申请日：2011-11-02
申请人： Ryota Kashu , Naoto Sasagawa , Seiichiro Karita , Takatsuna Aoki , Shingo Okushima , Eisuke Nishitani
发明人： Ryota Kashu , Naoto Sasagawa , Seiichiro Karita , Takatsuna Aoki , Shingo Okushima , Eisuke Nishitani
CPC分类号： B41J2/18 , B41J2/1404 , B41J2/14233 , B41J2/1433 , B41J2/145 , B41J2202/12
摘要： A recording apparatus including an ink tank and a recording head having a flow path forming portion that has an ejection orifice plate having plural ink ejection orifices and a liquid chamber provided for each orifice to supply ink to the orifices, and an energy generating element for ejecting ink in the chamber. A surface layer of the flow path forming portion opposes to the outside of the plate. An opening is provided opposing to the orifices in the surface layer. An ink reservoir is provided between the plate and the opening. A circulation flow path communicating with the ink reservoir is provided. The area of the opening is larger than that of the orifice. Both ends of the circulation flow path are respectively connected to inlet and outlet portions connected to the circulation flow path. The inlet and outlet portions and liquid chamber are connected to the ink tank.
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公开(公告)号：US20120113197A1
公开(公告)日：2012-05-10
申请号：US13287402
申请日：2011-11-02
申请人： Ryota Kashu , Naoto Sasagawa , Seiichiro Karita , Takatsuna Aoki , Shingo Okushima , Eisuke Nishitani
发明人： Ryota Kashu , Naoto Sasagawa , Seiichiro Karita , Takatsuna Aoki , Shingo Okushima , Eisuke Nishitani
IPC分类号： B41J2/18
CPC分类号： B41J2/18 , B41J2/1404 , B41J2/14233 , B41J2/1433 , B41J2/145 , B41J2202/12
摘要： A recording apparatus including an ink tank and a recording head having a flow path forming portion that has an ejection orifice plate having plural ink ejection orifices and a liquid chamber provided for each orifice to supply ink to the orifices, and an energy generating element for ejecting ink in the chamber. A surface layer of the flow path forming portion opposes to the outside of the plate. An opening is provided opposing to the orifices in the surface layer. An ink reservoir is provided between the plate and the opening. A circulation flow path communicating with the ink reservoir is provided. The area of the opening is larger than that of the orifice. Both ends of the circulation flow path are respectively connected to inlet and outlet portions connected to the circulation flow path. The inlet and outlet portions and liquid chamber are connected to the ink tank.
摘要翻译： 一种记录装置，包括墨盒和具有流路形成部分的记录头，该流路形成部具有具有多个墨喷射口的喷射孔板和为每个喷孔设置的用于向喷嘴供应墨水的液体室，以及用于喷射的能量产生元件 墨水在室内。 流路形成部的表面层与板的外侧相反。 提供与表面层中的孔相对的开口。 在所述板和所述开口之间设置有墨水储存器。 提供与墨水容器连通的循环流路。 开口面积大于孔口面积。 循环流路的两端分别与连接于循环流路的入口部和出口部连接。 入口和出口部分和液体室连接到墨水罐。
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公开(公告)号：US20130242003A1
公开(公告)日：2013-09-19
申请号：US13989505
申请日：2011-12-07
申请人： Toshio Suzuki , Ryota Kashu
发明人： Toshio Suzuki , Ryota Kashu
IPC分类号： B41J2/14
CPC分类号： B41J2/14201 , B41J2/055 , B41J2/14209 , B41J2002/14459 , Y10T156/10
摘要： A liquid ejection head includes a plurality of ejection orifices which eject a liquid, a plurality of pressure chambers which store the liquid ejected from the ejection orifices and eject the liquid from the ejection orifices in accordance with expansion and contraction of an inner wall of the pressure chambers, and a plurality of recess portions which are formed around the pressure chambers, wherein a piezoelectric member is present between at least one of the recess portions and the pressure chambers.
摘要翻译： 液体喷射头包括喷射液体的多个喷射孔，存储从喷射孔喷出的液体的多个压力室，并且根据压力的内壁的膨胀和收缩从喷射孔排出液体 室，以及围绕压力室形成的多个凹部，其中压电部件存在于至少一个凹部和压力室之间。
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公开(公告)号：US08967773B2
公开(公告)日：2015-03-03
申请号：US13989505
申请日：2011-12-07
申请人： Toshio Suzuki , Ryota Kashu
发明人： Toshio Suzuki , Ryota Kashu
CPC分类号： B41J2/14201 , B41J2/055 , B41J2/14209 , B41J2002/14459 , Y10T156/10
摘要： A liquid ejection head includes a plurality of ejection orifices which eject a liquid, a plurality of pressure chambers which store the liquid ejected from the ejection orifices and eject the liquid from the ejection orifices in accordance with expansion and contraction of an inner wall of the pressure chambers, and a plurality of recess portions which are formed around the pressure chambers, wherein a piezoelectric member is present between at least one of the recess portions and the pressure chambers.
摘要翻译： 液体喷射头包括喷射液体的多个喷射孔，存储从喷射孔喷出的液体的多个压力室，并且根据压力的内壁的膨胀和收缩从喷射孔排出液体 室，以及围绕压力室形成的多个凹部，其中压电部件存在于至少一个凹部和压力室之间。
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