DRIVE DEVICE FOR DRIVING VOLTAGE-DRIVEN ELEMENT

摘要

A drive unit comprises a switching circuit and an abnormal signal generating circuit. The switching circuit is configured to be connected to an external time generating circuit, and is configured to switch a driving condition relating to a driving voltage of a voltage-driven element in a transitional period between a driving state and a non-driving state of the voltage-driven element based on a measurement time which is measured by using of the time generating circuit. The abnormal signal generating circuit is configured to generate an abnormal signal when an accurate measurement of the time using the time generating circuit is not executed.