We are reviewing the PoP Video prohjector which uses this LCoS display engine for our website. We just posted an overview video at: http://www.youtube.com/watch?v=vRG_Xy6y5G0
It's a pretty neat product and produces a good image.
Projector projects image. However, the image above demonstrates it also has sense back function to find which key is pressed. What is involved for this sense back function? It looks quite cool. Can dimension be given as x,y and z in place of cubic cm?