| 摘要 |
PROBLEM TO BE SOLVED: To prevent an error charge into a piezoelectric device remaining undriven.SOLUTION: A piezoelectric device drive circuit comprising first and second complementarily connected switching devices to turn a piezoelectric device charged/discharged by opening and closing the first and second switching devices, and to drive the piezoelectric device by this charging/discharging comprises a charging timing control circuit that blocks the closing operation of the first switching device except when charging the piezoelectric device. |
