| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply device wherein damage to connectors caused by electrical elements when the connectors are disconnected can be effectively prevented and further its influence on electrical equipment can be prevented. <P>SOLUTION: Power supply to the electrical equipment 1 is controlled by a power supply switch 13. A voltage monitoring control circuit 14 is provided between the power supply switch 13 and the connectors 2 and 12. The voltage monitoring control circuit 14 monitors the voltage on a power line so as to prevent the connectors 2 and 12 from being damaged due to the voltage when the connectors are disconnected. <P>COPYRIGHT: (C)2004,JPO |
