Patent ID: 8836279
Filing Date: 2014-09-16
Classification: H02J

Abstract:
1. A power supply apparatus comprising: a power supply unit that supplies power to one or more power receiving apparatuses wirelessly; a detection unit that detects one or more power receiving apparatuses; a division unit that divides, if the detection unit detects a second power receiving apparatus before elapsing a predetermined time since the detection unit detects a first power receiving apparatus, the first power receiving apparatus and the second power receiving apparatus into a first group; and a communication unit that (a) transmits a first command, used for causing the first power receiving apparatus to receive power from the power supply apparatus, to the first power receiving apparatus if a remaining capacity of a first battery connected to the first power receiving apparatus is smaller than a remaining capacity of a second battery connected to the second power receiving apparatus after the first group is selected, and (b) transmits a second command, used for causing the second power receiving apparatus not to receive power from the power supply apparatus, to the second power receiving apparatus if the remaining capacity of the first battery is smaller than the remaining capacity of the second battery, after the first group is selected.