A SYSTEM AND METHOD FOR DETECTING AN INTRUDER

摘要

A system and method for detecting an intruder into an area to be guarded is provided. The system includes a plurality of detection units, each of the plurality of detection units having at least one infrared sensor and having a first field of view external to and directed generally along the perimeter and located within the area to be guarded. The infrared sensor may be a passive sensor. The detection units include a camera for recording intrusion within a second field of view and a controller. The controller includes means, responsive to output of the infrared sensor, for determining when an intruder has entered the first field of view and activating means for activating the camera.