| 摘要 |
PROBLEM TO BE SOLVED: To control an amount of power to be transmitted to each power reception device depending on a battery residual amount in wireless power transmission.SOLUTION: A power transmission device can be driven by a battery and transmits power to one or more power reception devices. The power transmission device acquires information for identifying each of the one or more power reception devices, from each of the one or more power reception devices; determines an amount of power to be transmitted to each of the one or more power reception devices on the basis of the residual amount of the battery and the sum of allowable amounts, which are determined on the basis of the acquired information, of power to be transmitted to the respective one or more power reception devices; and transmits power to the one or more power reception devices according to the determined amounts of power. |
