Method of controlling piezo elements in a printhead of a droplet generator
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United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Oct 7, 1997
filing date -
Oct 8, 1996
priority date (Note) -
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Abstract
The printhead has a multitude of adjacently arranged channels with piezo-electrical shear converters. The impulse form for activation of the converters--depending upon the number of simultaneously activated neighboring channels--is changed in such manner that the exit velocity of the ink droplets is constant. This makes it possible to obtain a better print image.
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