"...He did it by retrofitting a piece of clear acrylic and attaching LEDs to the side, which provided the light source. To the back, he mounted an infrared camera. When Han placed his fingers on the makeshift screen, some light ricocheted straight down, just as he thought it would, and the camera captured the light image pixel for pixel. The harder he pressed, the more information the camera captured. Han theorized he could design software that would measure the shape and size of each contact and assign a series of coordinates that defined it..." Jeff Han's multi-touch-screen, from FastCompany, Video. Via Mike D.Friday, March 30, 2007
Super Touch-screen
"...He did it by retrofitting a piece of clear acrylic and attaching LEDs to the side, which provided the light source. To the back, he mounted an infrared camera. When Han placed his fingers on the makeshift screen, some light ricocheted straight down, just as he thought it would, and the camera captured the light image pixel for pixel. The harder he pressed, the more information the camera captured. Han theorized he could design software that would measure the shape and size of each contact and assign a series of coordinates that defined it..." Jeff Han's multi-touch-screen, from FastCompany, Video. Via Mike D.
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