| 摘要 |
<P>PROBLEM TO BE SOLVED: To supply electric power to a plurality of power receptors with high space efficiency. <P>SOLUTION: The present invention comprises a plurality of portable containers a1-an with one or more power reception means 1a, 1b that receives electric power from the outside and one or more feeding means 1c, 1d that supply a part or the whole of electric power received by the power reception means 1a, 1b to the outside, and a ground feeding device s1 that supplies electric power to the power reception means 1a, 1b of any of the containers a1-an. <P>COPYRIGHT: (C)2013,JPO&INPIT |
