CONTACTLESS POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING CONTACTLESS POWER SUPPLY DEVICE

• Main Authors: NAITO, MASAKI, MASAOKA, SHINYA, HIRANO, AKIRA, MITO, KATSUHIKO, OKUBO, NORIHIRO
• Format: Patent
• Language: English; French; German
• Published: 02.11.2016
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

To certainly perform power transfer to a plurality of power receiving devices, a power transmission device 10 is provided that allocates one of a plurality of channels to perform wireless power transfer to a power receiving device 20 in response to a power transmission request that is transmitted from the power receiving device 20 and that designates one or more of the plurality of the channels having different frequencies, wherein while performing power transfer to a first power receiving device 20 in response to a first power transmission request that designates a plurality of the channels and that is transmitted from the first power receiving device 20, with allocating a first channel that is one of the designated channels, in a case where a power transmission request using the first channel is received from a second power receiving device 20, the device stops power transfer to the first power receiving device 20 using the first channel, starts power transfer to the first power receiving device 20 using a channel other than the first channel and starts power transfer to the second power receiving device 20 using the first channel.