B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/045 (2006.01) B41J 2/205 (2006.01)
Patent
CA 2254697
An ink-jet printer and an apparatus and a method of driving a recording head for an ink-jet printer are provided for suppressing satellite droplets. Two piezoelectric elements are provided for every ink chamber corresponding to each nozzle. Timing of displacement of the piezoelectric elements is adjusted by applying a drive signal for ink droplet ejection to one of the piezoelectric elements and a drive signal for suppressing satellite droplets when a droplet is ejected to the other piezoelectric element. An auxiliary pressure generated by the displacement of the latter piezoelectric element is superimposed on an ejection pressure generated by the displacement of the former piezoelectric element. Trailing of ink droplet is cut off at an early stage and generation of satellite droplets is suppressed.
Horii Shinichi
Ikemoto Yuichiro
Kishimoto Masaki
Nishi Shota
Suzuki Kenji
Gowling Lafleur Henderson Llp
Sony Corporation
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