Google dreams up laser projection system to control Project Glass

Source: http://www.engadget.com/2013/01/17/google-project-glass-laser-projector-patent/

A virtual touchpad projected onto limbs and other everyday surfaces? That's the type of crazy idea we'd normally expect to see from Microsoft Research, not Google. Heck, maybe we even did. But Google has applied to patent the concept specifically in relation to Project Glass. The system would use a tiny laser projector mounted on the arm of the spectacles to beam out QWERTY and other buttons, and then the built-in camera and processor would try to interpret finger movements in the region of those buttons. Hey presto! No more fiddling with your face.

Filed under: Displays, Wearables

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Source: USPTO