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    • 5. 发明申请
    • Individual jet voltage trimming circuitry
    • 单独的喷射电压调整电路
    • US20050041073A1
    • 2005-02-24
    • US10642951
    • 2003-08-18
    • Richard FontaineScott LegerDaniel CotePaul HoisingtonMelvin BiggsTodd Boucher
    • Richard FontaineScott LegerDaniel CotePaul HoisingtonMelvin BiggsTodd Boucher
    • B41J2/045B41J29/38
    • B41J2/0452B41J2/04541B41J2/04573B41J2/04581B41J2/04588B41J2/0459B41J2/04591B41J2/04593B41J2/04596
    • Apparatus including a plurality of droplet ejection devices, an electric source and a controller. Each droplet ejection device includes a fluid chamber having an ejection nozzle, an electrically actuated displacement device associated with the chamber, and a switch having an input connected to the electric source, an output connected to the electrically actuated displacement device, and a control signal input that is controlled by the controller to control whether the input (and thus the electric source) is connected to the output (and thus the electrically actuated device). The electrically actuated displacement device moves between a displaced position and an undisplaced position to change the volume of the chamber as a capacitance associated with the electrically actuated displacement device changes in charge between an actuated condition and an unactuated condition. The controller provides respective charge control signals to respective control signal inputs to control the extent of change in charge on respective capacitances by the time that the respective switch connects the electrical signal to the respective electrically actuated displacement device.
    • 装置包括多个液滴喷射装置,电源和控制器。 每个液滴喷射装置包括具有喷射喷嘴,与腔室相关联的电致动位移装置的流体室和具有连接到电源的输入的开关,连接到电动位移装置的输出端和控制信号输入端 其由控制器控制以控制输入(以及因此的电源)是否连接到输出端(以及电驱动装置)。 电驱动的位移装置在位移位置和未置换位置之间移动以改变腔室的体积,因为与致动位移装置相关联的电容在致动状态和未致动状态之间变化。 控制器向相应的控制信号输入端提供相应的充电控制信号,以控制相应开关将电信号连接到相应的电驱动位移装置的时间上的相应电容上的电荷变化程度。