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    • 12. 发明申请
    • LIQUID EJECTING APPARATUS
    • 液体喷射装置
    • US20100079521A1
    • 2010-04-01
    • US12566877
    • 2009-09-25
    • Satoru HosonoToshiki UsuiYasuhiko Kosugi
    • Satoru HosonoToshiki UsuiYasuhiko Kosugi
    • B41J29/38
    • B41J2/04596B41J2/04581B41J2/04588B41J2/04593
    • A liquid ejecting apparatus includes: a head having a nozzle; a pressure-changing unit for changing pressure of liquid in the nozzle in such a manner that the liquid is ejected from the nozzle; a level-data setting unit for setting a selected level data from a plurality of level data, based on an ejecting data; a driving-signal generator for generating a first driving signal and a second driving signal; and a driving-pulse generator for generating a driving pulse based on the selected level data and the first driving signal and the second driving signal. The first driving signal and the second driving signal are periodical signals having a same period. The first driving signal includes a first large-drop pulse-wave and a third large-drop pulse-wave. The second driving signal includes a second large-drop pulse-wave. The first large-drop pulse-wave, the second large-drop pulse-wave and the third large-drop pulse-wave have a same waveform, and appear in that order at regular intervals.
    • 液体喷射装置包括:具有喷嘴的头部; 压力改变单元,用于以使得液体从喷嘴喷射的方式改变喷嘴中的液体的压力; 电平数据设定单元,用于基于排出数据从多个电平数据中设定所选择的电平数据; 用于产生第一驱动信号和第二驱动信号的驱动信号发生器; 以及驱动脉冲发生器,用于基于所选择的电平数据和第一驱动信号和第二驱动信号产生驱动脉冲。 第一驱动信号和第二驱动信号是具有相同周期的周期信号。 第一驱动信号包括第一大滴脉冲波和第三大脉冲波。 第二驱动信号包括第二大滴脉冲波。 第一个大滴波脉冲波,第二个大脉冲波和第三个大脉冲波具有相同的波形,并以规则的间隔按顺序出现。
    • 14. 发明申请
    • LIQUID EJECTING APPARATUS
    • 液体喷射装置
    • US20090147036A1
    • 2009-06-11
    • US12366505
    • 2009-02-05
    • Satoru HosonoHirokazu Nunokawa
    • Satoru HosonoHirokazu Nunokawa
    • B41J29/38
    • B41J2/2128B41J2/04581B41J2/04588B41J2/04593B41J2/04595B41J2/04596
    • A liquid ejecting apparatus includes: a head having a nozzle; a pressure-changing unit for changing pressure of liquid in the nozzle in such a manner that the liquid is ejected from the nozzle; a first level-data setting unit for setting a selected first level data from a plurality of first level data, based on an ejecting data for a first kind of liquid; a second level-data setting unit for setting a selected second level data from a plurality of second level data, based on an ejecting data for a second kind of liquid; a driving-signal generator for generating a driving signal; and a driving-pulse generator for generating a driving pulse based on the selected first or second level data and the driving signal. The plurality of first level data and the plurality of second level data are different from each other.
    • 液体喷射装置包括:具有喷嘴的头部; 压力改变单元,用于以使得液体从喷嘴喷射的方式改变喷嘴中的液体的压力; 第一电平数据设定单元,用于基于第一类液体的喷射数据,从多个第一电平数据中设定所选择的第一电平数据; 第二电平数据设定单元,用于基于第二类液体的喷射数据,从多个第二电平数据中设定所选择的第二电平数据; 用于产生驱动信号的驱动信号发生器; 以及驱动脉冲发生器,用于基于所选择的第一或第二电平数据和驱动信号产生驱动脉冲。 多个第一级数据和多个第二级数据彼此不同。
    • 15. 发明授权
    • Liquid ejecting apparatus
    • 液体喷射装置
    • US07374263B2
    • 2008-05-20
    • US11345343
    • 2006-02-02
    • Satoru Hosono
    • Satoru Hosono
    • B41J25/308B41J29/38B41J2/045
    • B41J2/04516B41J2/04556B41J2/04581B41J2/04588B41J2/04593B41J2/04596B41J2002/14419
    • A liquid ejecting head includes a nozzle formation face with a nozzle; a pressure chamber communicated with the nozzle; and a pressure generator changing pressure in the chamber so as to eject liquid from the nozzle. An adjuster adjusts a distance between the nozzle formation face and the target medium so as to be at least a first distance, and a second distance that is longer than the first distance. A driving signal generator generates a driving signal that includes a first pulse having at least a first expansion element and a first ejecting element, and a second pulse having at least a second expansion element and a second ejecting element. A pulse supplier selectively supplies a pulse to the pressure generator. The pulse supplier selects the first pulse when the distance is the first distance, and selects the second pulse when the distance is the second distance.
    • 液体喷射头包括具有喷嘴的喷嘴形成面; 与喷嘴连通的压力室; 以及压力发生器,改变腔室中的压力,以便从喷嘴喷出液体。 调节器将喷嘴形成面和目标介质之间的距离调整为至少第一距离,并且比第一距离长的第二距离。 驱动信号发生器产生包括具有至少第一扩展元件和第一弹出元件的第一脉冲的驱动信号,以及至少具有第二扩展元件和第二弹出元件的第二脉冲。 脉冲供应商选择性地向压力发生器提供脉冲。 当距离为第一距离时,脉冲供应器选择第一脉冲,并且当距离为第二距离时选择第二脉冲。
    • 17. 发明申请
    • Liquid ejecting apparatus
    • US20060192797A1
    • 2006-08-31
    • US11345343
    • 2006-02-02
    • Satoru Hosono
    • Satoru Hosono
    • B41J25/308
    • B41J2/04516B41J2/04556B41J2/04581B41J2/04588B41J2/04593B41J2/04596B41J2002/14419
    • A liquid ejecting head includes a nozzle formation face formed with a nozzle orifice; a pressure chamber communicated with the nozzle orifice and adapted to contain liquid therein; and a pressure generator operable to cause pressure change in the pressure chamber so as to eject the liquid in the pressure chamber from the nozzle orifice to a target medium as a liquid droplet. An adjuster is operable to adjust a distance between the nozzle formation face and the target medium so as to be at least a first distance and a second distance that is longer than the first distance. A driving signal generator is operable to generate a driving signal that includes a first pulse having at least a first expansion element for causing the pressure generator to expand the pressure chamber and a first ejecting element for causing the pressure generator to contract the pressure chamber to eject a liquid droplet having a prescribed volume and a second pulse having at least a second expansion element for causing the pressure generator to expand the pressure chamber and a second ejecting element for causing the pressure generator to contract the pressure chamber to eject a liquid droplet having the prescribed volume. A pulse supplier is operable to selectively supply the first pulse and the second pulse to the pressure generator. The first pulse is configured such that the first ejecting element is applied to the pressure generator when a meniscus of the liquid is located at a first position that is closer to the pressure chamber than a reference position after the first expansion element is applied to the pressure generator. The second pulse is configured such that the second ejecting element is applied to the pressure generator when the meniscus is located at a second position that is farther from the pressure chamber than the first position after the second expansion element is applied to the pressure generator. The pulse supplier selects the first pulse when the distance is the first distance, and selects the second pulse when the distance is the second distance.
    • 19. 发明授权
    • Ink jet recording apparatus and method of driving ink jet recording head incorporated in the same
    • 喷墨记录装置及其喷射记录头的驱动方法
    • US06598950B1
    • 2003-07-29
    • US09983750
    • 2001-10-25
    • Satoru HosonoKenji Otokita
    • Satoru HosonoKenji Otokita
    • B41J2938
    • B41J2/04588B41J2/04581B41J2/04593
    • A recording head is provided with a pressure chamber communicated with a nozzle orifice from which an ink droplet is ejected, and a vibration plate which constitutes a part of the pressure chamber. A pressure generating element deforms the vibration plate to vary a volume of the pressure chamber. A drive signal generator generates a drive signal for driving the pressure generating element. The pressure generating element is driven such that the pressure chamber is contracted so as to push out a meniscus of ink from the nozzle orifice such an extent that an ink drop is not ejected therefrom. Then the pressure chamber is expanded so as to pull the pushed-out meniscus toward the pressure chamber. Then the pressure chamber is contracted and held in the contracted state to eject an ink droplet from the nozzle orifice.
    • 记录头设置有与其中喷射墨滴的喷嘴孔连通的压力室和构成压力室的一部分的振动板。 压力产生元件使振动板变形以改变压力室的体积。 驱动信号发生器产生用于驱动压力发生元件的驱动信号。 压力发生元件被驱动,使得压力室收缩以便从喷嘴孔推出墨水弯月面,使得墨滴不从其喷射。 然后压力室被膨胀以便将推出的弯液面拉向压力室。 然后压力室收缩并保持在收缩状态以从喷嘴孔喷出墨滴。