By using the latest in rear-projection technology, a high resolution, colour 3D-like holographicimage is projected onto a flat two-dimensional sheet of acrylic in the shape of a woman.
When the holographic information in an image is transferred to a computer, that image can be interpreted as a series of troughs of varying depths, denoting the pressure of the pen strokes used to make them.
It can also identify and monitor the position of the eyes, so it knows exactly where each image needs to be beamed, and passes this information on to the holographic-projection system.
The inventors couldn't find an off-the-shelf lens big enough to project an image of an automobile, so they had to build one--out of holographic polymer--to do it.
The Light Touch can turn that image into a touch-screen that you can type on or swipe through with the help of a holographic laser projection and infrared sensor at the bottom of the device.