Method for driving an ink jet head having piezoelectric actuator
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United States of America Patent
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Issued Date -
Nov 29, 2007
app pub date -
May 26, 2006
filing date -
May 26, 2006
priority date (Note) -
Abandoned
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Abstract
A method for driving an ink jet head (10) having a piezoelectric actuator (103) includes the steps of: (a) transmitting a negative electrical pulse (31) to drive the piezoelectric actuator to transform in a manner such that ink is filled into an ink chamber (102) of the ink jet head; and (b) transmitting a positive electrical pulse (32) to drive the piezoelectric actuator to transform in a manner such that the ink is ejected out of the ink chamber.
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