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New ZeroTouch Interface is a Touchscreen Without the Screen

• http://www.popsci.com/
 

At the Computer Human Interaction conference in B.C. this week, a team from Texas A&M University unveiled a touch screen technology they’ve been incubating for a couple of years that isn’t really a screen at all. ZeroTouch, as the project is known, is more like an empty picture frame lined with LEDs and filled with criss-crossing beams of infrared light. Like a mashup of traditional 2-D touch interface with the 3-D applications of, say, Microsoft’s Kinect, its applications are many.

The design seems so simple that it’s almost surprising we haven’t seen something like this until now. ZeroTouch is basically an empty window pane, and the LEDs and IR sensors mounted around its edges detect anything that crosses the plane of that frame (it can recognize up to 20 independent touch points at a time). It doesn’t just register that something is there, but also the size of the object--whether it’s a finger, an entire hand, a tiny stylus, etc.--and whether it is rotating or twisting (this is better explained visually in the video below).

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