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The technology relies on strongly coupled electromagnetic resonators, a principle similar to the way a trained singer can shatter a glass using his/her voice.[citation needed] At the receiving resonator's natural frequency, energy is absorbed efficiently, just as a glass absorbs acoustic energy at its natural frequency. At the wall socket, power is put into magnetic fields at a transmitting resonator - basically an antenna. The receiving resonator is tuned to efficiently absorb energy from the magnetic field, whereas nearby objects do not.
working principle: capture electricity from the air
for those who saw the first demonstration of WREL technology, the same reaction as when the introduction of the WLAN. You must still remember how it feels to be the first time terkonesi to the Internet without wires. Originally corpulent man who was surprised that the Internet can be accessed wirelessly. people moved to disconnect manually and was surprised that everything is still running. Furthermore, these technologies for granted.
The basic principle of this wireless power transfer with this WREL technology associated with the phenomenon of resonance. Sebua WREL receiver can capture energy from the magnetic field with the aid of a coil, when emitted with the same frequency from a transmitter (through the coil). In order for optimal impedance, used rolls of wire on both sides. Here, the coil wire also functions as transmission gear bikes. When climbing, transmission gear down in order to use energy more efficiently. Conversely, while declining to use a higher transmission gear. The receiver also sets himself a large current and voltage required by its size. So, no need to bother with the adapter. In addition, the transmitter emits energy WREL only as needed by the receiver only.
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