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    • 1. 发明授权
    • Inks for continuous inkjet printing
    • 油墨用于连续喷墨打印
    • US6106600A
    • 2000-08-22
    • US143692
    • 1998-08-28
    • Ammar LechehebKim SmithBarry John FewRichard England
    • Ammar LechehebKim SmithBarry John FewRichard England
    • C09D11/00
    • C09D11/36
    • An ink jet ink is disclosed which comprises a binder, a colorant, a conductivity controller and a liquid vehicle in which at least the binder and colourant are soluble, the binder being a nitrocellulose having a viscosity of 15 centipoise or less as measured by method 1 herein; or a weight average molecular weight of not more than 25,000 as measured by method 3 herein; or the nitrocellulose has both the said viscosity and the said weight average molecular weight;and in that the nitrocellulose has a nitrogen content of at least 9.5% by weight as measured by the method of ASTM D 301-72;and in that the ink has a viscosity of 1.6 to 4 centipoise at 25.degree. C. using a Brookfield DV-11+ viscometer with a number 00 spindle at 60 r.p.m (method 2 herein).
    • 公开了一种喷墨油墨,其包含粘合剂,着色剂,导电性控制剂和至少粘合剂和着色剂可溶的液体载体,所述粘合剂是通过方法1测量的粘度为15厘泊或更小的硝酸纤维素 在这里 或通过本文方法3测量的重均分子量不超过25,000; 或硝酸纤维素具有所述粘度和所述重均分子量两者; 并且硝酸纤维素具有通过ASTM D 301-72的方法测量的至少9.5重量%的氮含量; 并且使用Brookfield DV-11 +粘度计,在60r.p.m的数目为00的纺丝机上,油墨在25℃下的粘度为1.6至4厘泊(本文的方法2)。
    • 6. 发明授权
    • Method and apparatus for controlling a multi-nozzle ink jet printhead
    • 用于控制多喷嘴喷墨打印头的方法和装置
    • US06206509B1
    • 2001-03-27
    • US09331496
    • 1999-08-20
    • Ammar LechehebJerzy Marcin Zaba
    • Ammar LechehebJerzy Marcin Zaba
    • B41J212
    • B41J2/115
    • We provide a method of printing using a multi-nozzle ink jet print head having a pressure modulator for causing streams of ink emitted from the nozzles to be broken up into individual droplets. The nozzles are divided into a plurality of groups of nozzles, and groups of charge electrodes correspond, each group of charge electrodes having a respective charge controller. In the method a modulation waveform is generated to operate the pressure modulator to cause droplets to be generated in each stream. Independently for each group of charge electrodes, the respective charge controller is operated to supply a charge signal waveform to each charge electrode in turn, the phase of the charge signal waveform relative to the modulation waveform is adjusted between 0 and 360 degrees in a number of steps, and the optimum phase relationship to achieve proper charging for each droplet stream is determined in turn. Thereafter the phase of the charge signal waveform relative to the modulation waveform is adjusted to achieve charging of droplets in all the streams in the group simultaneously.
    • 我们提供一种使用具有压力调制器的多喷嘴喷墨打印头进行打印的方法,用于使从喷嘴发射的墨水流分解成单独的液滴。 喷嘴被分成多组喷嘴,并且每组充电电极对应于每组具有相应充电控制器的充电电极。 在该方法中,生成调制波形以操作压力调制器以在每个流中产生液滴。 独立地对于每组充电电极,相应的充电控制器被依次提供给每个充电电极的充电信号波形,相对于调制波形的充电信号波形的相位在0和360度之间被调整为多个 依次确定为实现每个液滴流的适当充电的最佳相位关系。 此后,调整相对于调制波形的电荷信号波形的相位,以同时对组中的所有流中的液滴进行充电。
    • 10. 发明授权
    • Continuous ink jet printing
    • 连续喷墨印刷
    • US4688049A
    • 1987-08-18
    • US872288
    • 1986-06-10
    • James J. DoyleAmmar Lecheheb
    • James J. DoyleAmmar Lecheheb
    • B41J2/08B41J2/075G01D15/18
    • B41J2/075
    • In a continuous ink jet printing method for printing multiple lines of print (13-15), raster of drops is produced in which the differential charge between drops printed on opposite sides of an interline gap (17,18) is increased in comparison with that between adjacent drops to be printed within a line (13-15). At the same time the number of guard drops is maintained the same or is reduced between the printable drops immediately adjacent to the interline gap, so that the distance between printed drops immediately adjacent to the interline gap is increased without increasing the number of drops in the raster.
    • 在用于打印多行打印的连续喷墨打印方法(13-15)中,产生了液滴的光栅,其中印刷在间隙间隙(17,18)的相对侧上的墨滴之间的差分电荷与该间隙间隔 在一行(13-15)内打印的相邻液滴之间。 同时,保护液滴的数量在紧邻线间隙的可印刷液滴之间保持相同或减小,使得紧邻线间隙的印刷液滴之间的距离增加,而不增加液滴数量 光栅。