| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric actuator drive system and a video device which can improve an S/N ratio of a detection signal output according to operation of a piezoelectric actuator.SOLUTION: A piezoelectric actuator drive system includes a piezoelectric actuator and a substrate connected to the piezoelectric actuator. A buffer unit is arranged near the piezoelectric actuator, and receives input of a detection signal output from the piezoelectric actuator according to operation of the piezoelectric actuator. |
