US Patent 7761307 Power transmission and power receiving apparatus and method

A power transmission and power receiving apparatus and method is disclosed. Charging while in a non-contact processing operation for the purpose other than charging is realized. An approach of a portable electronic device with a rapid bulk electricity storing module, which is a chargeable power source, is detected at the side of a power transmitting device, and power transmission for charging the rapid bulk electricity storing module is executed in response to the detection of the approach. A power source can be charged in operation for non-contact authentication which is executed when a device approaches an authentication device.