... 50units after TT Different to other touch technology like IR, SAW, RESISTIVE, OPTICAL or Touch foil, these 5system is new interactive ... everything to be the touch panel Different to other touch technology like IR, SAW, RESISTIVE, OPTICAL or Touch foil, these are the ... sensor nodes underneath the touch surface to detect finger/hand touch behavior. The touch surface can be made of glass, wood, acrylic, ...