Considering one of PSVR's most appealing features was its cost compared to the other VR headsets on the market when it launched, Sony might consider using the technology in its 2019 patent application for an environment mapping/player motion-tracking system. The patent describes a tracking method that uses thermal data, swapping out the potentially pricey multiple camera setups of similar systems for an assortment of thermal beacons (like inexpensive infrared diodes) that can be placed around the room and a thermopile array in a controller to determine the player's position.
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PSVR 2 could be the hottest VR headset yet | Patent Trawling
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