Patent ID: 8506087

Claim:
A laser projector for audience scanning, the laser projector comprising: a laser for emitting light beams; a scanner operable with the laser for receiving the light beams and scanning the light beams along X-Y vector coordinates within first and second scan fields; and a safety lens located downstream the scanner for receiving the scanned light beams substantially within only one of the first and the second scan fields, wherein the safety lens includes at least one optical power, and wherein the light beams downstream the safety lens having a first divergence are projected above a viewing audience and the light beams downstream the safety lens with a second divergence greater than the first divergence are projected into the audience; and a scan-fail monitor operable with the scanner, the scan-fail monitor emitting a fault signal which results in the emitted light beams from the laser reduced in power to a pre-selected level that is safe during a fault condition.