Nokia developing wireless mobile charging


Nokia's UK-based research and development teams are working on wire-free charging technology to let you re-juice your mobile without tapping into the grid

The ability to harvest ambient radiowaves is already being put to use in the big wide world with RFID tags.
If Nokia has their way, within five years we'll no longer need to plug our mobiles into the mains when we run out of battery power. The Finnish mobile experts are developing a new mobile phone prototype that recharges the battery over the airwaves.

To be more precise, Nokia's new charging system uses the ambient radio waves produced by Wi-Fi, phone masts, TVs and radios, that surround us all to power up batteries.

The amount of juice available from the ambient waves is small but Nokia claim it's enough to keep your mobile ticking over nicely in standby mode indefinitely.

The ability to harvest ambient radiowaves is already being put to use in the big wide world with RFID tags and Oyster cards both making use of the technology but thus far it's never been applied to gadgets.

So how long will we have to wait for this wirefree power nirvana? Well according to Cambridge-based Nokia researcher Markku Rouvala not long. He told MIT Journal Technology Review: "I would say it is possible to put this into a product within three to four years."

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