I wish this new invention will really became a reality (in the market).
What’s this invention?
It’s a device that converts radio signal into DC electricity. This DC electricity is then restored to a rechargeable battery. This device is now called the “Powercast”.
It may sound futuristic, but Powercast’s platform uses nothing more complex than a radio–and is cheap enough for just about any company to incorporate into a product. A transmitter plugs into the wall, and a dime-size receiver (the real innovation, costing about $5 to make) can be embedded into any low-voltage device. The receiver turns radio waves into DC electricity, recharging the device’s battery at a distance of up to 3 feet. (source)
Some of the bloggers commented that it might just be part of the April Fool Day, but I think it’s real because it’s really possible that we can convert the radio frequencies into Electricity using a device specifically designed to this task. We’ve already talked about it when I was still studying my Electrical Engineering course at the Leyte Institute of Technology (Tacloban City), now Eastern Visayas State University.
It is even said, that Philips signed already a deal with the Powercast for the production of this device.
But I wonder if they can successfully launch this kind of products which might be the cause of the demise of the battery charger.
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SELaplana, 31 March 2007 at 




April 1st, 2007 at 2:28 pm
[...] I commented on the news about the wireless charger which converts radio frequencies to DC electricity. Although this kind of technology can be true, but lot of the bloggers consider this news as part [...]
October 8th, 2007 at 1:30 am
Here is a good site explaing how it works.
http://www.powercasttechnology.com