| 摘要 |
<p>An electronic device 200 such as a camera includes a first unit 201 that wirelessly receives power from a power supply apparatus, and a control unit 205. If an external apparatus 300, including a battery 311 and a second unit 301 that wirelessly receives power from a power supply apparatus, is connected to the electronic device 200, the control unit 205 selects either the first unit 201 or the second unit 301 to charge the battery 311. The wireless charging may be magnetic field resonance. Also claimed is a battery pack for wirelessly receiving power from a power supply apparatus, which includes a control means for supplying information to the power supply unit.</p> |
