howman writes "Reuters is reporting that Sony has been granted 2 patents, both describing 'Method and system for generating sensory data onto the human neural cortex'. These are patents 6,729,337 and 6,536,440. The patents go on to 'describe a technique for aiming ultrasonic pulses at specific areas of the brain to induce sensory experiences such as smells, sounds and images'. The story was first broken by New Scientist magazine."
Commentary also available via Ars Technica