They have developed a prototype, and the technology has a way to go, but it looks promising. "In tests the company succeeded in sending a conventional 100 volt electricity supply over a distance of 50 centimeters to power a 22-inch LCD television."

The prototype is about 80% efficient Sony has stated, and actually quite bulky, a 40 cm coil of wires to produce a magnetic field, for the secondary coil to induce the current.

I really like this idea for larger items like televisions, computers, printers and devices that don't need to be moved, and are already somewhat large to start with, so the added size wouldn't be a huge drawback

Full Article at IT News