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Speaking of wireless devices...

acheslow

Active Member
I've always wondered why something like this didn't already exist:

http://reviews.cnet.com/8301-12760_7-96730...l?tag=cnetfd.mt

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.

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.

This would be great for truly wireless devices like WiFi cameras and RF sensors.
 

JohnWPB

Active Member
Thats pretty kewl! I have seen devices similar to this like cordless mice and such that get their power from the mouse pad wirelessly ect. This looks to be a little more distance though... Nice!
 
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