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    • 7. 发明授权
    • Actuating device for a multi-nozzle ink jet printhead
    • 用于多喷嘴喷墨打印头的驱动装置
    • US06702430B2
    • 2004-03-09
    • US10235509
    • 2002-09-06
    • Franciscus Richard BlomAndré Jozef Christiaan Gerardus ErrenHans Reinten
    • Franciscus Richard BlomAndré Jozef Christiaan Gerardus ErrenHans Reinten
    • B41J2045
    • B41J2/04568B41J2/04581B41J2/14274
    • An actuating device for a multi-nozzle ink jet printhead, which includes a linear array of electromechanical transducers some of which are configured as actuator fingers associated with the nozzles of the printhead while others are configured as support fingers disposed between the actuator fingers, wherein each transducer has a first and a second electrode and is adapted to expand and contract in accordance with a voltage applied between the first and second electrodes, wherein the totality of the transducers consists of at least one group which includes a plurality of actuator fingers and a plurality of support fingers, and control circuit are associated with each group for applying a voltage that depends on the number of active actuator fingers in this group, to the first electrodes of all support fingers of the group.
    • 一种用于多喷嘴喷墨打印头的致动装置,其包括机电换能器的线性阵列,其中一些驱动装置被配置为与打印头的喷嘴相关联的致动器指状件,而另一些被构造为设置在致动器指状件之间的支撑指状物,其中每个 换能器具有第一和第二电极,并且适于根据施加在第一和第二电极之间的电压进行膨胀和收缩,其中换能器的总数由至少一组包括多个致动器指状物和多个 并且控制电路与每组相关联,用于将取决于该组中的主动致动器指的数量的电压施加到该组的所有支撑指的第一电极。
    • 8. 发明授权
    • Acoustic pressure wave propagating ink-system
    • 声压波传播油墨系统
    • US5877789A
    • 1999-03-02
    • US662139
    • 1996-06-12
    • Hans Reinten
    • Hans Reinten
    • B41J2/015B41J2/045B41J2/055B41J2/14B41J2/16
    • B41J2/04521B41J2/04581B41J2/04588B41J2/14274B41J2202/11
    • Ink-jet system includes an ink channel between an ink reservoir and a nozzle. A pressurizing device is arranged adjacent to the ink channel for generating in the ink liquid an acoustic pressure wave propagating in the ink channel, so that an ink droplet is expelled from the nozzle. The ink channel has a substantially rectangular cross section and a depth d which is larger than the height of the nozzle, such that energy losses due to reflection of the acoustic wave at the transition from the ink channel to the nozzle are minimized. The pressurizing device includes a first electromechanical transducer with a plate-like expansible member having a height H in the direction of the depth of the ink channel such that the ratio H/d is smaller than the ratio between the respective elastic modules of the expansible member and the ink liquid. At least one second electromechanical transducer is arranged at said ink channel and is energized to create a pressure bias in the ink volume before the same is pressurized by the first transducer.
    • 喷墨系统包括墨水储存器和喷嘴之间的墨水通道。 加压装置邻近油墨通道布置,用于在油墨液体中产生在油墨通道中传播的声压波,使得墨滴从喷嘴排出。 油墨通道具有基本上矩形的横截面和大于喷嘴高度的深度d,使得由于从油墨通道到喷嘴的过渡处的声波的反射而导致的能量损失最小化。 加压装置包括具有板状可膨胀构件的第一机电换能器,其在墨水通道的深度方向上具有高度H,使得比率H / d小于可膨胀构件的各个弹性模块之间的比率 和油墨液体。 在所述墨水通道处布置至少一个第二机电换能器,并在其被第一换能器加压之前通电以产生墨水体积中的压力偏压。
    • 10. 发明授权
    • Method of controlling the print quality for an inkjet printer and a printer which functions to perform this method
    • 控制用于执行该方法的喷墨打印机和打印机的打印质量的方法
    • US07770991B2
    • 2010-08-10
    • US11345401
    • 2006-02-02
    • Hans ReintenThomas P. HuijgenHubertus M. J. M. Boesten
    • Hans ReintenThomas P. HuijgenHubertus M. J. M. Boesten
    • B41J29/38B41J2/045
    • B41J2/19B41J2/1707B41J2002/14354
    • A method and system for application in an inkjet printer containing a substantially closed ink duct in which ink is situated, said duct being operationally connected to an electromechanical transducer, the method including the steps of: actuating the transducer with a number of actuation pulses according to a predetermined actuation setting in order to eject ink drops from a duct nozzle, where a pressure wave is generated in the duct by an actuation pulse, this pressure wave causing a deformation of an electromechanical transducer which generates an electrical signal; analyzing the electrical signal; analyzing the signal for a plurality of different actuation settings, and based on which analysis, determining an actuation setting, on the one side of which setting the ejection of a drop is a stable process and on the other side of which setting, the ejection of a drop is an unstable process.
    • 一种应用在喷墨打印机中的方法和系统,其包含其中存在油墨的基本封闭的油墨管道,所述管道可操作地连接到机电换能器,所述方法包括以下步骤:根据以下步骤致动具有多个致动脉冲的换能器: 预定的致动设置,以便从管道喷嘴喷射墨滴,其中通过致动脉冲在管道中产生压力波,该压力波引起产生电信号的机电换能器的变形; 分析电信号; 分析用于多个不同致动设置的信号,并且基于哪个分析来确定一个致动设置,其一侧设置液滴的喷射是稳定的过程,并且在另一侧设置喷射 一滴不稳定的过程。