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Wireless Power System Demonstrated at TED
The demonstration used mobile devices and televisions. The same concept could be applied to medical devices.
1. Magnetic coil (Antenna A) is housed in a box and can be set in wall or ceiling.
2. Antenna A, powered by mains, resonates at a specific frequency.
3. Electromagnetic waves transmitted through the air.
4. Second magnetic coil (Antenna B) fitted in laptop/TV etc resonates at same frequency as first coil and absorbs energy.
5. Energy charges the device.
How does it work? According to the BBC article: The approach that was demonstrated exploits "resonance", whereby energy transfer is markedly more efficient when a certain frequency is applied. Eric Giler, chief executive of US firm Witricity, showed mobile phones and televisions charging wirelessly at the TED Global conference in Oxford. The resonance approach is based on work by physicist Marin Soljacic at the Massachusetts Institute of Technology (MIT).
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A new system has been
A new system has been demonstrated at the TED global conference 650-251 dumps in Oxford whereby a device can be powered without any need for wires at all via resonance 000-111 dumps, it is thought the system could mean the end for conventional batteries 156-315 dumps.