| 摘要 |
PROBLEM TO BE SOLVED: To provide a direct-current outlet that can miniaturize a direct-current device side and then realize cost saving of an electricity distribution system. SOLUTION: The outlet includes: plug blade receiving parts 4, 5 for positive and negative electrodes, connected to a direct-current power supply via a voltage control section 3; and voltage setting means 6 for enabling the voltage control section 3 to change voltage values to be applied between the positive and negative plug blade receiving parts 4, 5. COPYRIGHT: (C)2009,JPO&INPIT
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