Several companies are working on developing the technology that enables wireless transmission of energy, without which so far have certainty when it will be ready to be made available to users.
One of the companies that are more advanced in this matter is Sony, which just introduced a new prototype that manages to convey with 60 Watt of power for a distance of 50 cm, while maintaining an efficiency of 80% continuously.
To achieve this they developed a system based on magnetic resonance imaging, with which it is possible to maintain efficiency in the transfer even when the sender and receiver are aligned (in fact it is not a problem when there are metal objects between the two).
In order to improve the distance obtained with this prototype would be used for energy equipment dealers, which would be achieved by powering equipment on greater distances.
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