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POPEYE
Harvesting RF Energy - Wirelessly Recharge Batteries with Powercast (VIDEO)
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Powercast transmists RF energy to a receiver module measuring about half the size of a AAA battery. CNET described, “It works like this: a transmitter can be placed anywhere--in a lamp, for example, that is plugged into the wall and sits on a table. The transmitter in the lamp sends out a continuous, low RF signal. Anything with either AA or AAA batteries set within its range--and equipped with a Powercast receiver, which is the size of your fingernail--will be continuously charged.”
After three years of keeping its technology under close guard, Powercast has come to CES 2007 to get consumer and manufacturer attention. Powercast is a radio frequency that is transmitted over a small area, and its energy is "harvested"--wirelessly--to give power to small devices like cell phones.
While it's presented as wireless power, Powercast isn't just a replacement for a universal charger. Instead, it's meant to either continuously charge a battery or replace the need for them altogether.
(reviews.cnet)
Read More: powercastco Via: reviews.cnet
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