CONTROL CIRCUIT OF PIEZOELECTRIC DRIVING DEVICE, PIEZOELECTRIC DRIVING DEVICE, ULTRASONIC MOTOR, ROBOT, HAND, AND PUMP

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专利权人:

发明人:

Tsutomu MIYAMOTO

申请号：

US15463409

公开号：

US20170279029A1

申请日:

2017.03.20

申请国别(地区):

US

年份:

2017

代理人:

摘要：

A control circuit of a piezoelectric driving device includes: a signal generation unit that inputs a state inspection signal to a plurality of piezoelectric elements connected to each other in parallel and a state detection unit that detects a state of the plurality of piezoelectric elements based on a state detection signal generated from the plurality of piezoelectric elements in accordance with the state inspection signal.

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