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    • 4. 发明授权
    • Ink jet recording head having temperature control heaters and nozzle arrays of differing discharge amounts
    • 具有温度控制加热器和不同排出量的喷嘴阵列的喷墨记录头
    • US07434917B2
    • 2008-10-14
    • US11348358
    • 2006-02-07
    • Yasushi Iijima
    • Yasushi Iijima
    • B41J2/05
    • B41J29/15B41J2/2125
    • In an ink jet recording head which can discharge ink droplets having different discharge amounts, stabilization of the ink discharge amount is efficiently achieved without upsizing and cost increase. In the ink jet recording head of the invention, three ink supply ports are provided in a recording element substrate. For a cyan ink discharge unit and a magenta ink discharge unit which are located on both side portions of a recording element substrate, a nozzle array having a large ink discharge amount and a nozzle array having a small ink discharge amount are provided across the ink supply port, and a temperature control sub-heater is arranged near the nozzle array having the small ink discharge amount.
    • 在能够排出具有不同排出量的墨滴的喷墨记录头中,可有效地实现油墨排出量的稳定化,而不会增大和成本增加。 在本发明的喷墨记录头中,在记录元件基板中设置三个供墨口。 对于位于记录元件基板的两侧部分的青色墨水排出单元和品红色墨水排出单元,具有较大墨水排出量的喷嘴阵列和具有小墨水排出量的喷嘴阵列设置在墨水供应 端口和温度控制子加热器布置在具有小墨水排出量的喷嘴阵列附近。
    • 5. 发明申请
    • INKJET RECORDING HEAD
    • 喷墨记录头
    • US20080030545A1
    • 2008-02-07
    • US11832833
    • 2007-08-02
    • Yasushi Iijima
    • Yasushi Iijima
    • B41J2/145
    • B41J2/2125B41J19/147
    • Two arrays of ejection openings which eject relatively large amounts of ink are provided for each of different color inks and are disposed at symmetrical positions in the order of colors in a direction corresponding to a record scan. In addition, a single array of ejection openings which eject relatively small amounts of ink is disposed for at least one color ink. Since the symmetrical disposition in the color order of the ejection opening arrays which eject large amounts of ink prevents color unevenness from appearing even when the bidirectional recording is performed. Since the single array is formed of the ejection openings which eject small amount of ink, and which is used for highly precise recording, it is possible to avoid image deterioration due to the shift of dot formed positions, even when the recording head is mounted in an inclined manner attributable to the variation in manufacturing.
    • 针对每种不同颜色的墨水提供两个排出相对大量墨水的排出口阵列,并且在与记录扫描相对应的方向上以颜色的顺序设置在对称位置。 此外,为至少一种彩色墨水设置排出相对少量墨水的单个喷射口阵列。 由于排出大量油墨的排出口阵列的颜色顺序的对称布置即使在执行双向记录时也防止颜色不均匀。 由于单个阵列由喷射少量墨水的喷射口形成,并且用于高精度记录,所以即使当记录头安装在其中时也可以避免由于点形成位置的移动而引起的图像劣化 一种倾向于制造变化的原因。
    • 7. 发明授权
    • Liquid ejecting apparatus
    • 液体喷射装置
    • US06631982B2
    • 2003-10-14
    • US10067880
    • 2002-02-08
    • Toshihiro SasakiYutaka KoizumiAkihiro YamanakaHiroyuki MaedaAkira GotoHiroki TajimaYasushi Iijima
    • Toshihiro SasakiYutaka KoizumiAkihiro YamanakaHiroyuki MaedaAkira GotoHiroki TajimaYasushi Iijima
    • B41J2175
    • B41J2/17523B41J2/17509
    • In a liquid ejecting apparatus in which ink is supplied from an ink tank to a print cartridge detachably mounted on a carriage through a tube, connection between an ink needle at a tube side and an interconnecting member at a cartridge side can sealingly be effected positively, and ink supplying and connecting means can be made compact. A closing film having a small hole and a central slit is provided at a tip end of an interconnecting member made of soft material and fitted into an ink flow-in projection portion of the print cartridge into which an ink needle is inserted. Further, a notched needle tip end avoiding configuration is provided at a lower part of a tip end of the projection portion so that abutment between the projection portion and the ink needle can be avoided when the print cartridge is mounted and dismounted, thereby reducing a shifting amount of a needle holding member.
    • 在通过管将油墨从墨罐供给到可拆卸地安装在托架上的打印墨盒的液体喷射装置中,可以密封地实现在管侧的墨针和墨盒侧的互连构件之间的连接, 并且可以使墨水供应和连接装置紧凑。 具有小孔和中心狭缝的封闭膜设置在由软质材料制成的互连构件的末端上,并且装配到插入墨针的打印墨盒的墨入口突出部分中。 此外,在突出部的前端的下部设置缺口的针尖端部避免构造,使得当安装和拆卸打印盒时可以避免突起部和墨针之间的邻接,从而减少移动 针保持构件的量。
    • 10. 发明授权
    • Inkjet recording head
    • 喷墨记录头
    • US08408677B2
    • 2013-04-02
    • US13343868
    • 2012-01-05
    • Yasushi Iijima
    • Yasushi Iijima
    • B41J2/145
    • B41J2/2125B41J19/147
    • Two arrays of ejection openings which eject relatively large amounts of ink are provided for each of different color inks and are disposed at symmetrical positions in the order of colors in a direction corresponding to a record scan. In addition, a single array of ejection openings which eject relatively small amounts of ink is disposed for at least one color ink. Since the symmetrical disposition in the color order of the ejection opening arrays which eject large amounts of ink prevents color unevenness from appearing even when the bidirectional recording is performed. Since the single array is formed of the ejection openings which eject small amount of ink, and which is used for highly precise recording, it is possible to avoid image deterioration due to the shift of dot formed positions, even when the recording head is mounted in an inclined manner attributable to the variation in manufacturing.
    • 针对每种不同颜色的墨水提供两个排出相对大量墨水的排出口阵列,并且在与记录扫描相对应的方向上以颜色的顺序设置在对称位置。 此外,为至少一种彩色墨水设置排出相对少量墨水的单个喷射口阵列。 由于排出大量油墨的排出口阵列的颜色顺序的对称布置即使在执行双向记录时也防止颜色不均匀。 由于单个阵列由喷射少量墨水的喷射口形成,并且用于高精度记录,所以即使当记录头安装在其中时也可以避免由于点形成位置的移动而引起的图像劣化 一种倾向于制造变化的原因。