A new system captures airborne Wi-Fi signals and converts them into useful energy for electronic devices
MILAN - Waiting for the arrival of universal charger for cell phones, gaining increasing ground electricity as an alternative wireless more comfortable to feed our electronic gadgets. Last Consumers Electronic Show (CES) in Las Vegas was presented a new device that allows you to recharge cell phones and mp3 players wirelessly, without lifting a finger.
energy from - is called Airnergy and is a system developed by U.S. company RCA (the same as 61 years ago developed the 33 rpm). It looks like a small device that can capture wi-fi signals transmitted by different access points in your home or office. The signals are converted into useful energy to recharge (again wirelessly) mobile phones and MP3 players have a special battery. A sort of recycling of energy, so that could be extended to other electromagnetic sources present in the home. For now, the ability to Airnergy depends on the signal strength of wi-fi nearby. During the demonstration at CES, was able to recharge a Blackberry in about 90 minutes.
WI-Tricity - Airnergy will be put on sale by next autumn in the United States at a cost of $ 40. But this is not the device to take the lead for the new frontier for electricity Wireless. Last year, again at CES in Las Vegas, the startup PowerBeam presented WiTricity system that allows you to power small electronic gadgets wirelessly. Case-Mate The company has recently introduced The Hug: just place the phone on to charge the battery. The Hug costs $ 90 and is already available for iPhone.
http://www.corriere.it/
Nicola Bruno
January 11, 2010
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