Light touch made by Light Blue Optics. Light touch is an interactive projector that could change something flat things be a touch screen with multi touch technology like an IPad. For example table, wall, floor and another flat things. Likes the name, users only need to touch the screen light, but it could do the task that input by user.
Light touch use Holographic Laser Projection that could make high resolution screen image in WVGA resolution. The screen displayed from infrared and detect the movement sensor and change the reflection to virtual touch screen 10.1".
Light touch on the wall
