| 摘要 |
The device comprises a power wave reception loop antenna 110 which receives power waves from a confronting device 200 and an information wave transmission loop antenna 111 which transmits information waves to the confronting device. The respective loop antennas are arranged such that loop-shaped antenna surfaces facing the confronting device among the respective loop antennas are substantially parallel to each other, and arranged to be separated from each other along a vertical direction. The centre positions of the antenna surfaces of the respective loop antennas substantially coincide in the vertical direction. The size of the loop antenna arranged on the side of the confronting device is larger than the size of the other loop antenna. The arrangement is said to reduce mutual interference between a reception loop antenna and a transmission loop antenna, and thereby prevent deterioration in the transmission/reception sensitivity of the respective loop antennas. |
