Direct access to your brain via ultrasound?

According to FutureWire, Sony has fled a patent for a non-intrusive device which uses ultrasound to provide users with images, tastes and sounds. The patent claims it could help blind or deaf people: it could also have uses in simulation.

However Sony have said that they have not yet done any research and this is purely a prophetic invention.

An article in the New Scientist gives more information.

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