In very cool geek news. Disney releases Tactile Brush. What is that you ask? It is an algorithm that produces smooth, two-dimensional tactile moving strokes with varying frequency, intensity, velocity and direction of motion. The design of the algorithm is derived from the results of psychophysical investigations of two tactile illusions — apparent tactile motion and phantom sensations.
Combined together they allow for the design of high-density two-dimensional tactile displays using sparse vibrotactile arrays. In a series of experiments and evaluations we demonstrate that Tactile Brush is robust and can reliably generate a wide variety of moving tactile sensations for a broad range of applications.
Engaget had this to say:
In a presumed effort to one-up those “4D” chairs used at Shrek’s castle down in Orlando, the company has been working on what it calls Tactile Brush — a chair with an array of 12 vibrating coils that are able to simulate anything from the sensation of speeding around a race track to the delicate drip of rain on your back. Two techniques are used: apparent motion, which triggers two motors in quick succession to create the illusion of something moving over your skin, and phantom sensation, in which two stationary vibrations are felt as a single tingle between the two points.
Disney researchers demoed Tactile Brush at the Conference on Human Factors in Computing Systems in Vancouver using a racing game, but hope to bring it to amusement park rides and movie theaters
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