| 摘要 |
PROBLEM TO BE SOLVED: To provide a power feed system that prevents corrosion in a terminal caused by sea water, or the like, dispenses with cleaning, and can be connected so that power can be fed properly, and to provide a battery pack. SOLUTION: There are provided first and second unit bodies, with the first unit body 11 having a case member 13, a projection 12 formed in the case member 13, and a first coil 19 included in the projection 12. The second unit body has an opening 25, into which the projection 12 is inserted and includes a second coil 27 wound by surrounding the opening 25; while the outside of the first coil 19 is surrounded when the projection 12 is inserted into the opening 25. Through electromagnetic induction of the first and second coils 19, 27, power is fed from one of the first unit body 11 and the second unit body to the other. COPYRIGHT: (C)2007,JPO&INPIT
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