| 摘要 |
PURPOSE: A device for backup of electric power provides a computer system for maintaining a condition of a normal action for a while when an AC electric power into the computer system is blocked due to the power failure. The charged electric pressure of a battery is changed into the backup electric power through the device. CONSTITUTION: A device for backup of electric power provides a computer system for maintaining a condition of a normal action for a while when an AC electric power into the computer system is blocked due to the power failure. The charged electric pressure of a battery is changed into the backup electric power through the device.
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