QuickPost : Touch Screens with Pop-up Buttons

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Un truc qui ressemble a une très bonne idée pour les écrans tactiles qu’on utilise en faisant autre chose comme les GPS

Now researchers at Carnegie Mellon University have developed buttons that pop out from a touch-screen surface. The design retains the dynamic display capabilities of a normal touch screen but can also produce tactile buttons for certain functions.

Graduate student Chris Harrison and computer-science professor Scott Hudson have built a handful of proof-of-concept displays with the morphing buttons. The screens are covered in semitransparent latex, which sits on top of an acrylic plate with shaped holes and an air chamber connected to a pump. When the pump is off, the screen is flat; when it’s switched on, the latex forms concave or convex features around the cutouts, depending on negative or positive pressure.

To illuminate the screens and give them multitouch capabilities, the researchers use projectors, infrared light, and cameras positioned below the surface. The projectors cast images onto the screens while the cameras sense infrared light scattered by fingers at the surface.

Touch Screens with Pop-up Buttons

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