| 摘要 |
A power supply device (1, 201, 301) includes a power supply portion (11), a power supply coil portion (13, 213, 313) having a first end (13a) connected to the power supply portion and a second end (13b) connected to ground, and a counter wound coil portion (14, 214, 314) that faces the power supply coil portion, the winding direction of which is opposite to that of the power supply coil portion, and the counter wound coil portion has an opened first end (14a) and a second end (14b) connected to ground. |
