Mitsubishi has developed a contactless touchscreen.

Company Mitsubishi has developed a touch screen, which does not necessarily touch. Through a system of sensors, he sees the hand movement over the surface. That was reported by Engadget.
Diagonal test sample of the screen is 5.7 inches. Special sensors record the motion of fingers at a distance of up to two centimeters above the surface of the screen.
It should be noted that the touchscreen submitted Mitsubishi, and responds to routine touches. Switching between modes takes place automatically.
In Mitsubishi emphasize that their new development based on technologies already in use. It is expected that this will make the designs of the screen affordable.
Contactless touchscreen Mitsubishi, in the opinion of its creators, is designed primarily for mobile devices with small displays. Date of occurrence of such devices are not reported.