As promised a while back, we got to chat with Elliptic Labs here at CES, and CEO Stian Aldrin walked us through the touchless gesture technology his 15-person Norway-based company is developing as a prototype. The whole thing is based on ultrasound, it turns out -- a small speaker kicks out frequencies higher than the ear can hear, and a set of microphones listens in on the reflections, using an algorithim to calculate where your hand is at as you wave it through the air. The result is a gesture-based control system for touchscreen devices, but without the actual touch.
Aldrin told us that the sy
