The owners of high-rise properties could use the system to make large returns from the small outlay of installing the laser projector and reflective strip.

The laser projector will be available to exhibitors in the fourth quarter of 2013.

To avoid accidents, the laser projector must be secured with relation to termination points and beam blocks.

Mass production of laser diodes for commercial devices like laser projectors have driven down prices.

Typical dichroic mirrors used in laser projectors pass red light and reflect green and blue, or pass green light and reflect red and blue.