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article imageReport: Nokia working on technology to charge your phone over air

By Brenton Currie     Jun 11, 2009 in Technology
Nokia is reportedly working on new technology which will allow users to charge their mobile phones over air waves, instead of having to plug their phone into a power point.
Nokia plans on using "ambient radio waves" according to a report on Technology Review, which also says that your phone won't even need to be turned on to charge.
Its believed the technology would use things such as radiation from Wi-fi transmitters, TV masts and mobile antennas which is then converted into an electrical current to charge your phone.
The system works by turning electromagnetic waves into an electrical signal, which the phone can then receive.
Nokia has reportedly built a prototype that can hold 3 to 5 Milliwatts of power, but before it can be genuinely usable it needs to be able to hold about 50 Milliwatts. Don't expect to see this rolled out this year, but researches say it could be only 3 years away from coming to a phone near you.
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