In a power and data transmission method which can transmit power and information (data) simultaneously and contactlessly, and an apparatus therefor, a pair of coil units are magnetically coupled to each other. Each of the coil units has: a power transmissi...

In a power and data transmission method which can transmit power and information (data) simultaneously and contactlessly to a USB device using a USB interface, and an apparatus therefor, a pair of coil units are magnetically coupled to each other. Each of ...