Motor vehicle security sensor system

摘要

A security sensor for a motor vehicle is described having a body and a closable interior compartment. The security sensor comprises: accelerometer means (124) for monitoring vibrations within the body of said vehicle and generating force signals representative of said vibrations; acoustic monitor means (100) for sensing acoustic energy within the interior of said vehicle and generating acoustic signals representative of said acoustic energy; microwave motion sensing means (134) for detecting motion within the interior of said vehicle and generating motion detection signals representative of sensed motion; and processor means (118) coupled to said accelerometer means (124), said acoustic monitor means (100) and said microwave sensing means (134) for analyzing said acoustic signals and said force signals to detect glass breakage within said vehicle and for analyzing said motion detection signals to detect intrusion into the interior of said vehicle.