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    Ink-jet recording head that minutely vibrates ink meniscus
    1.
    发明授权
    Ink-jet recording head that minutely vibrates ink meniscus 失效
    喷墨记录头，微小地振动墨水弯液面

    公开(公告)号：US6431674B2

    公开(公告)日：2002-08-13

    申请号：US79176597

    申请日：1997-01-29

    Applicant: SEIKO EPSON CORP

    Inventor： SUZUKI KAZUNAGA ,  TSUKADA KENJI ,  KOIKE YOSHIYUKI ,  SEINO TAKEO ,  OUKI YASUHIRO ,  KOSUGI YASUHIKO ,  SARUTA TOSHIHISA ,  SAKURAI HIDETAKA

    IPC: B41J2/045

    CPC classification number: B41J2/04541 ,  B41J2/04553 ,  B41J2/04563 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/04596

    Abstract: An ink-jet recording apparatus having an ink-jet recording head including pressure generating chambers communicatively connected to a nozzle opening and a reservoir, pressure generating member for pressurizing the pressure generating chambers, and a control device for applying drive signals to the pressure generating member. The control device applies drive signals to the pressure generating member. The drive signals contain signals corresponding to print data and signals which minutely vibrate the meniscus of ink in the nozzle openings to such an extent as to not eject ink droplets during a nonprint period. The control device causes ejection of ink droplets from the nozzle openings in accordance with print data during printing operations, and minutely vibrates the meniscuses of ink formed at the nozzle openings a preset period of time before or after the discharging of the ink droplets in a printing operation.

    Abstract translation: 一种喷墨记录装置，具有喷墨记录头，该喷墨记录头包括通气地连接到喷嘴开口和储存器的压力产生室，用于对压力发生室加压的压力产生元件，以及用于向压力产生元件施加驱动信号的控制装置 。 控制装置将驱动信号施加到压力产生部件。 驱动信号包含对应于打印数据的信号和使喷嘴开口中墨水弯月面微小振动的程度，从而在非打印期间不喷墨。 控制装置根据打印操作期间的打印数据，从喷嘴开口喷出墨滴，并且在喷墨打印之前或之后的预定时间段内微小地振动在喷嘴开口处形成的油墨的液面 操作。

    2.
    发明专利
    未知

    公开(公告)号：DE69736992D1

    公开(公告)日：2007-01-04

    申请号：DE69736992

    申请日：1997-01-29

    Applicant: SEIKO EPSON CORP

    Inventor： SUZUKI KAZUNAGA ,  TSUKADA KENJI ,  KOIKE YOSHIYUKI ,  SEINO TAKEO ,  OUKI YASUHIRO ,  KOSUGI YASUHIKO ,  SARUTA TOSHIHISA ,  SAKURAI HIDETAKA

    IPC: B41J2/165 ,  B41J2/045

    Abstract: An ink-jet recording apparatus having an ink-jet recording head (7, 8) including pressure generating chambers (49) communicatively connected to a nozzle opening (52) and a reservoir (50), pressure generating means (42) for pressurising the pressure generating chambers (49), and control means for applying drive signals corresponding to print data to the recording head and for minutely vibrating meniscuses of ink in the nozzle openings to such an extent as to not eject ink droplets during a nonprint period. The control means ejects ink droplets from the nozzle openings in accordance with print data during printing operations, and minutely vibrates meniscuses of ink formed at the nozzle openings a pre-set period of time before or after the discharging of the ink droplets in a printing operation. Minutely vibrating means (23, 42, 68) are provided having a first operation mode in which the meniscuses of the nozzle openings are vibrated plural times in succession for a predetermined time period, and a drive signal for discharging ink droplets is applied to said pressure generating means after said meniscuses are placed in a state capable of discharging ink droplets.

    3.
    发明专利
    未知

    公开(公告)号：DE69713922D1

    公开(公告)日：2002-08-22

    申请号：DE69713922

    申请日：1997-01-29

    Applicant: SEIKO EPSON CORP

    Inventor： SUZUKI KAZUNAGA ,  TSUKADA KENJI ,  KOIKE YOSHIYUKI ,  SEINO TAKEO ,  OUKI YASUHIRO ,  KOSUGI YASUHIKO ,  SARUTA TOSHIHISA ,  SAKURAI HIDETAKA

    IPC: B41J2/045 ,  B41J2/04

    Abstract: An ink-jet recording apparatus having an ink-jet recording head (7, 8) including pressure generating chambers (49) communicatively connected to a nozzle opening (52) and a reservoir (50), pressure generating means (42) for pressurising the pressure generating chambers (49), and control means for applying drive signals corresponding to print data to the recording head and for minutely vibrating meniscuses of ink in the nozzle openings to such an extent as to not eject ink droplets during a nonprint period. The control means ejects ink droplets from the nozzle openings in accordance with print data during printing operations, and minutely vibrates meniscuses of ink formed at the nozzle openings a pre-set period of time before or after the discharging of the ink droplets in a printing operation. Minutely vibrating means (23, 42, 68) are provided having a first operation mode in which the meniscuses of the nozzle openings are vibrated plural times in succession for a predetermined time period, and a drive signal for discharging ink droplets is applied to said pressure generating means after said meniscuses are placed in a state capable of discharging ink droplets.

    4.
    发明专利
    未知

    公开(公告)号：DE69227659T2

    公开(公告)日：1999-06-17

    申请号：DE69227659

    申请日：1992-02-04

    Applicant: SEIKO EPSON CORP

    Inventor： MIYASHITA SATORU ,  ATOBE MITSURO ,  KARASAWA YASUSHI ,  TAKEMOTO KIYOHIKO ,  OUKI YASUHIRO

    IPC: B41J2/16 ,  G03F7/00 ,  B05D1/20 ,  B05D1/32

    Abstract: An ink-jet printing head used on the ink-jet printer, which is characterized in that a water-repellent layer (21) comprising a uniform layer of polymer including fluorine is formed on the surface of a nozzle from which ink is jetted. Said water-repellent layer can be formed to be solid and homogeneous by the use of polymer soluble in solvent and including fluorine, and thus an ink-jet printing head excellent in persistence of water-repellent characteristic and effect and durability is provided by a comparatively simple method.

    5.
    发明专利
    未知

    公开(公告)号：DE69600961D1

    公开(公告)日：1998-12-17

    申请号：DE69600961

    申请日：1996-08-23

    Applicant: ORIENT CHEMICAL IND ,  SEIKO EPSON CORP

    Inventor： ONO TAKASHI ,  YAGYU TATSUYA ,  SAWATARI YOSHIHIRO ,  SASAKI MASAKI ,  KANAYA MIHARU ,  HAYASHI HIROKO ,  OWATARI AKIO ,  OUKI YASUHIRO

    IPC: C09B67/22 ,  C09D11/00 ,  C09B67/26 ,  C09B31/08

    Abstract: A disazo dye composition comprising at least a disazo dye represented by formula (I) and a disazo dye represented by formula (II); (wherein X and Y indicate an alkoxy group having 1 to 4 carbon atoms, and M indicates hydrogen or a cation selected from the group consisting of, alkaline metal, NH4, alkyl-substituted ammonium, alkanolammonium, morpholinium and piperidinium), wherein, when the disazo dye composition is analyzed by liquid chromatography, the area ratio of the peak area (Sp) of the disazo dye represented by formula (I) to the peak area (Sc) of the disazo dye represented by formula (II), that is Sp : Sc is from 1 : 0.4 to 1 : 2.4. This disazo dye composition provides a high quality image, rapid ink fixing and the like even on the plain paper.

    10.
    发明专利
    未知

    公开(公告)号：DE69600961T2

    公开(公告)日：1999-04-22

    申请号：DE69600961

    申请日：1996-08-23

    Applicant: ORIENT CHEMICAL IND ,  SEIKO EPSON CORP

    Inventor： ONO TAKASHI ,  YAGYU TATSUYA ,  SAWATARI YOSHIHIRO ,  SASAKI MASAKI ,  KANAYA MIHARU ,  HAYASHI HIROKO ,  OWATARI AKIO ,  OUKI YASUHIRO

    IPC: C09B67/22 ,  C09D11/00 ,  C09B67/26 ,  C09B31/08

    Abstract: A disazo dye composition comprising at least a disazo dye represented by formula (I) and a disazo dye represented by formula (II); (wherein X and Y indicate an alkoxy group having 1 to 4 carbon atoms, and M indicates hydrogen or a cation selected from the group consisting of, alkaline metal, NH4, alkyl-substituted ammonium, alkanolammonium, morpholinium and piperidinium), wherein, when the disazo dye composition is analyzed by liquid chromatography, the area ratio of the peak area (Sp) of the disazo dye represented by formula (I) to the peak area (Sc) of the disazo dye represented by formula (II), that is Sp : Sc is from 1 : 0.4 to 1 : 2.4. This disazo dye composition provides a high quality image, rapid ink fixing and the like even on the plain paper.

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