Microsoft patents body current


Microsoft has been granted US Patent #6,754,472 that covers the transmission of data and current using the human body even between devices that do not have any sort of user interface whatsoever in the traditional sense. The Microsoft patent calls for using a single battery to transmit AC or DC signals at low frequencies, in the 100 Hz range, to battery-less devices too small to have their own bulky Lithium-Ion pack. The patent also applies to using the body itself as an input device, using the electrical resistance of the skin as a sensory system. It covers not only human bodies but animals as well.

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