| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna for a power transmission system capable of improving transmission efficiency by suppressing heating on a vehicle bottom part or emission of a magnetic field from the vehicle bottom part.SOLUTION: An antenna is composed of: a main coil MC for generating a magnetic field in a direction of a first axis; and a plurality of sub coils SC for generating magnetic fields in directions of second axes differing from the first axis, where opening end surfaces of the plurality of sub coils SC face the downward side. |
