Other researchers, in America and Japan, are also looking at using lasers rather than microwaves to transmit power through the atmosphere.

ECONOMIST: Solar power from space

Physicists have known how to transmit power wirelessly for almost two centuries.

ECONOMIST: Wireless power

High voltage is the best way to transmit power (the higher the voltage, the smaller the loss), but high voltage is not usually what the user wants.

ECONOMIST: Power transmission

That could happen about five years from now, perhaps using a laser on the International Space Station to transmit solar power collected by its panels to Earth.

ECONOMIST: Solar power from space

Its aim is to generate and transmit mostly green power to its residents.

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Alcatel, however, will use a small radio transmitter concealed in the battery cover of the phone to transmit a coded low-power signal to the belt clip to tell it when to vibrate, a company spokesperson said after the press conference.

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In order to transmit electricity around the country, there are 38 power transmission companies at the central government and provincial levels.

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Phones using this technology will also come with a single, high-power LED than can be used manually to transmit Morse Code, which can be deciphered on the remote end using a cameraphone.

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The unit has two cables: one for power and the other for the HDMI connection to your TV, which can transmit up to 1080p video and audio.

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