Tuesday, January 26, 2010

Sony on Wireless Power Feeding Technologies

Via Tech-on, a look at Sony's recent developments in wireless power transmission.
The system can transmit 60W electricity to a device located about 50-80cm away by using magnetic resonance. The efficiency of electric power transmission between the transmission and reception devices is 80%. When the rectifier circuit of the power supply device is included, the transmission efficiency is 60%.

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