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Researchers at Bristol University have developed a new system that simulates the feel of objects in mid-air using nothing but sound.
The “UltraHaptic” system uses an array of ultrasonic transducers – a grid of small piezoelectric speakers that produce waves of ultrasound, the same as those used to scan babies in the womb – which align to produce an invisible layer of ultrasonic vibrations in the air above a display. This creates a small tactile sensation on the surface of human skin.
UltraHaptics could be used to create an invisible mid-air feedback layer for interaction with motion-tracking sensors such as the Leap Motion. Photograph: Leap Motion
Researchers at Bristol University have developed a new system that simulates the feel of objects in mid-air using nothing but sound.
