Nokia planning a phone that will charge itself
Load your mobile phone is on the agenda for most people. You come home from work, the battery sits anywhere from 0 to 25% and plug it into a charge. Solar powered chargers and phones can be more efficient battery life, but inevitably you end up plugging into an electrical outlet at regular intervals.
Nokia are trying to change that, however, in researching a new charging system would mean that you do not need to connect your phone again. At the forefront of RFID systems Nokia experimenting with the use of energy from ambient air radio waves.
These waves are always around us from the transmitted signals for TV, radio and mobile phone transmissions, and may be a small amount of power. Nokia intends to establish a system to mobile phones, which use many of these ambient radio waves to produce enough electricity to the phone battery.
To do this, they need to about 50 milliwatts of power through the system. The current experiments at the Nokia Research Center in Cambridge, England, the management 5 milliwatts. To stand they need 20 milliwatts, so is the next goal, but 50 milliwatts is the actual level, for they are.
via guardian
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