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Fujitsu shows off wireless charging (images)

The Japanese company believes a new computer modeling method makes wireless power transmission practical to build products by 2012. Here's a look at Fujitsu's technique.

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Stephen Shankland
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Fujitsu's wireless charging demonstrated

A demonstration of Fujitsu's wireless-charging technique shows the ability to power one fan and two light bulbs at varying distances and positions compared to the charging station, the circular coil at left.
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Fujitsu's wireless charging computer modeling method

An example from Fujitsu's wireless charging computer model shows how magnetic resonance changes when the position of the the three small receiving coils are moved in relation to the one larger transmitting coil.
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Prototype phones on a charging station

Two phones resting on a charging station receive power wirelessly in a Fujitsu's wireless charging technology demonstration.
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Fujitsu: why magnetic resonance is better

Fujitsu believes its technique, magnetic resonance, is better than an earlier method called electromagnetic induction, which requires precise and close positioning.
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Fujitsu wireless charging computer model results

This example analysis by Fujitsu for one wireless charging station design that the company said is 150 times faster than with earlier computer-modeling techniques.

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