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1. 发明授权

US06447108B1 Continuous inkjet printhead control 失效
标题翻译：连续喷墨打印头控制
公开(公告)号：US06447108B1
公开(公告)日：2002-09-10
申请号：US09331642
申请日：1999-06-22
申请人： Peter Kassner
发明人： Peter Kassner
IPC分类号： B41J2115
CPC分类号： B41J2/085
摘要： A method is disclosed for controlling a multi-nozzle CIJ printhead having a pressure modulator for causing streams of ink emitted from the nozzles to be broken up into individual droplets, and charge electrodes 6 and charge electrode controllers for controllably applying a charge to individual ones of the droplets in each stream. The method involves generating a modulation waveform to operate the pressure modulator to cause droplets to be generated in each stream and operating the charge controllers to supply a charge signal waveform to each charge electrode. The charges applied to the streams of droplets are compared to a reference or threshold value. The number of droplet streams in which the droplet charges exceed the reference or threshold value is determined plural times and an average value for the number is calculated. This step is repeated a number of times and if the average is less than the average previously calculated then the threshold or reference value is reduced.
摘要翻译：公开了一种用于控制多喷嘴CIJ打印头的方法，该多喷嘴CIJ打印头具有压力调节器，用于使从喷嘴发射的墨水分解成单独的液滴，并且将电极6和充电电极控制器充电至电极控制器，每个流中的液滴。该方法包括产生调制波形以操作压力调制器以在每个流中产生液滴并且操作充电控制器以向每个充电电极提供电荷信号波形。将施加到液滴流的电荷与参考值或阈值进行比较。确定液滴电荷超过参考值或阈值的液滴流的数量多次，并计算该数量的平均值。该步骤重复多次，如果平均值小于先前计算的平均值，那么阈值或参考值减小。

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