| 摘要 |
PROBLEM TO BE SOLVED: To provide an energy supply apparatus fir stably supplying energy to each apparatus even when a plurality of energy supply apparatuses are closely arranged. SOLUTION: The energy supply apparatus includes: a drive device 111a for receiving power from a power supply unit 101a and generating AC current; a power transmission antenna 121a fed with the AC current from the drive device and generating electromagnetic field; a power receiving antenna 201a for extracting electric energy from the electromagnetic field; and an apparatus 30a operating using the extracted electric energy. The power transmission antenna 121a is provided with a resonant frequency adjusting circuit 122a for adjusting and setting a resonant frequency. COPYRIGHT: (C)2010,JPO&INPIT |
