| 摘要 |
Provided is a compact secondary coil module (20) that can be easily mounted in a terminal device side unit. The secondary coil module (20) whose power for use in charging a storage battery (30) by a contactless charging technique is supplied via a primary coil (1), includes the storage battery (30), a charging control circuit (40) controlling charging of the storage battery (30), a tubular core (21) made of magnetic material and covering an outer circumferential face of at least one of the storage battery (30) and the charging control circuit (40), and a wire (22) made of conductive material, the wire (22) being connected to the charging control circuit (40) and wound around the outer circumferential face of the core (21). |
