| 摘要 |
A switch monitoring circuit includes a switch arranged to be turned ON/OFF in response to an operation, a capacitor connected to both ends of the switch, a voltage applying unit that applies a voltage to the switch in response to a command, a voltage detecting unit that detects the voltage applied to the switch and a diode connected to the switch and the capacitor. The diode prevents an electric charge stored in the capacitor from being emitted.
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