74277666
May 22, 1992
Oct 31, 1995
burglar alarms; security systems comprised of intruder activated sensors and a camera, warning lights and audible alarms under the control of the sensors; remote controlled emergency warning systems comprised of intruder activated sensors and a camera, warning lights and audible alarms under the control of the sensors; and condition monitoring systems comprising intruder activated sensors and a camera; warning lights and audible alarms under the control of the sensors, for residential, commercial and industrial premises
Electrical and Scientific Apparatus