A system monitors parameters (e.g., speed, position, threshold boundaries) of mobile items attached to beacons and produces signals indicating these parameters. The system also monitors non-mobile parameters (e.g., battery life, door locks, windows) in the items. Different technologies (e.g., wireless)...http://www.google.fr/patents/US7327258?utm_source=gb-gplus-shareBrevet US7327258 - System for, and method of, monitoring the movements of mobile items
System for, and method of, monitoring the movements of mobile items
