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    • 6. 发明申请
    • NEW METHOD FOR STIMULATION RANGE DETECTION IN A CONTINUOUS INK JET PRINTER
    • 连续喷墨打印机中的刺激范围检测的新方法
    • WO2012107560A1
    • 2012-08-16
    • PCT/EP2012/052319
    • 2012-02-10
    • MARKEM-IMAJEODIN, FlorenceARPIN, Jean-Pierre
    • ODIN, FlorenceARPIN, Jean-Pierre
    • B41J2/08B41J2/12
    • B41J2/125B41J2/08B41J2/12
    • A method is described for determining the quality of a break-off of an ink jet of a CIJ printing machine, this method including: a) generating a first line of N1 drops, all charged by the charge means, at a same voltage V 1 , b) then generating at least one drop G1, charged by the charge means, at a second voltage (VG 1 ), followed by at least one drop G 2 , charged by the charge means, at a third voltage (VG 2 ) lower than V 1 , c) then generating a second line of N2 drops, all charged by the charge means, at a same voltage V2, d) measuring, using an electrostatic sensor, the charge variation of a non-deflected jet of drops including at least the first line of drops and the second line of drops, separated by the drops G1 and G2, during the passage of said jet in front of the sensor.
    • 描述了一种用于确定CIJ印刷机的喷墨打印质量的方法,该方法包括:a)以相同的电压V1产生全部由充电装置充电的N1滴的第一线, b)然后以第二电压(VG1)产生由充电装置充电的至少一个液滴G1,随后是由低于V1的第三电压(VG2)由充电装置充电的至少一个液滴G2,c ),然后以相同的电压V2产生由充电装置全部充电的N 2滴的第二线,d)使用静电传感器测量非偏转的液滴的电荷变化,所述液滴的电荷变化包括至少第一行 在所述射流在传感器前方的通过期间,由液滴G1和G2分开的液滴和第二滴液滴。
    • 7. 发明申请
    • SYSTEM AND METHOD FOR AUTO-THRESHOLD ADJUSTMENT FOR PHASING
    • 用于自动阈值调整的系统和方法
    • WO2005123391A1
    • 2005-12-29
    • PCT/EP2005/006434
    • 2005-06-15
    • VIDEOJET TECHONOLOGIES LIMITEDRYBICKI, Michael, J.FICKLING, Andrew, Earl
    • RYBICKI, Michael, J.FICKLING, Andrew, Earl
    • B41J2/08
    • B41J2/085B41J2/09B41J2/125
    • Certain embodiments provide a system and method for auto-threshold adjustment using a continuous ink jet printer. An embodiment of a system includes a nozzle (6) for producing ink drops from an ink stream, a sensor positioned with respect to the nozzle for measuring charge from the ink drops to generate a charge signal, a peak detector (60) for detecting peaks in the charge signal, and a threshold storage device for adjusting the threshold based on a number of detected peaks. In an embodiment, the threshold storage device stores the threshold. The threshold storage device may be a digital potentiometer, for example. The system may also include a comparator comparing the charge signal to the threshold. The comparator may select between the threshold and a standard reference signal to compare to the charge signal.
    • 某些实施例提供了一种使用连续喷墨打印机进行自动阈值调整的系统和方法。 系统的一个实施例包括用于从墨水流产生墨滴的喷嘴(6),相对于喷嘴定位的传感器,用于测量来自墨滴的电荷以产生电荷信号;峰值检测器(60),用于检测峰值 以及用于基于检测到的峰值的数量来调整阈值的阈值存储装置。 在一个实施例中,阈值存储装置存储阈值。 阈值存储装置例如可以是数字电位计。 该系统还可以包括比较充电信号与阈值的比较器。 比较器可以在阈值和标准参考信号之间进行选择以与充电信号进行比较。
    • 8. 发明申请
    • CURRENT LEAKAGE TEST OF A FLUID EJECTION DIE
    • 流体喷射模具的泄漏试验
    • WO2018080426A1
    • 2018-05-03
    • PCT/US2016/058479
    • 2016-10-24
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    • ANDERSON, Daryl E.MARTIN, EricGARDNER, James MichaelCICILI, Rogelio
    • B41J2/05B41J2/08
    • B41J2/04581B41J2/04543B41J2/04555B41J2/0458B41J2/14153
    • Example implementations relate to current leakage testing of a fluid ejection die. For example, a fluid ejection die may include plurality of nozzles, each nozzle among the plurality of nozzles including a nozzle sensor and a fluid ejector. The plurality of nozzle sensors may comprise a first subset and a second subset, each nozzle sensor among the plurality of nozzle sensors of the first subset may be electrically coupled to a first control line by a respective switch among a first group of switches, and each nozzle sensor among the plurality of nozzle sensors of the second subset may be electrically coupled to a second control line by a respective switch among a second group of switches. The fluid ejection die may include a control circuit to perform a current leakage test of the plurality of nozzles using the first control line and the second control line.
    • 示例性实施方式涉及流体喷射模具的电流泄漏测试。 例如,流体喷射模具可以包括多个喷嘴,多个喷嘴中的每个喷嘴包括喷嘴传感器和流体喷射器。 多个喷嘴传感器可以包括第一子组和第二子组,第一子组的多个喷嘴传感器中的每个喷嘴传感器可以通过第一组开关中的相应开关电耦合到第一控制线,并且每个 第二子集的多个喷嘴传感器中的喷嘴传感器可以通过第二组开关中的相应开关电耦合到第二控制线。 流体喷射管芯可以包括控制电路,以使用第一控制线和第二控制线来执行多个喷嘴的电流泄漏测试。
    • 9. 发明申请
    • INKJET PRINTER
    • 喷墨打印机
    • WO2017212215A1
    • 2017-12-14
    • PCT/GB2017/051465
    • 2017-05-25
    • LINX PRINTING TECHNOLOGIES LTD
    • COOKE, Stephen
    • B41J2/08B41J2/175F16K31/02
    • An electrostatic deflection ink jet printer has a main printer body (1) separated by a vapour barrier (67) into an electrical region and a fluid region. Electrically operated valves (39, 41, 45, 51, 57) are provided in the fluid region. Control circuitry (69) for deciding when to operate the valves is provided in the electrical region. Valve drive circuitry (65), for generating drive currents for the valves, is provided in the fluid region and is in data communication with the control circuitry (69) via wiring (preferably comprising a serial data bus) that passes through the vapour barrier (67). This reduces the number of electrical connections that need to pass through the vapour barrier. Preferably a circuit carrier (85) for the valve drive circuitry is mounted on a valve block (63) for the valves, and an electrically insulating material (109) covers the circuit carrier (85). The electrically insulating material (109) may extend partially or wholly around the valve block (63).
    • 静电偏转喷墨打印机具有由蒸气屏障(67)分隔成电气区域和流体区域的主打印机主体(1)。 电动阀(39,41,45,51,57)设置在流体区域中。 用于决定何时操作阀门的控制电路(69)设置在电气区域中。 用于产生阀的驱动电流的阀驱动电路(65)设置在流体区域中,并且经由布线(优选地包括串行数据总线)与控制电路(69)进行数据通信,所述布线穿过蒸气阻挡层( 67)。 这减少了需要穿过防潮层的电连接的数量。 优选地,用于阀驱动电路的电路载体(85)安装在用于阀的阀块(63)上,并且电绝缘材料(109)覆盖电路载体(85)。 电绝缘材料(109)可以部分或全部围绕阀块(63)延伸。