Patent ID: 7138920

Claim:
A method of monitoring movements of an individual in and around buildings, rooms and other spaces, wherein each individual carries plural passive transponders with each transponder having an individual-unique identity and that is intended for co-action with an active antenna which is connected, either directly or indirectly, to a monitoring centre ( 13 ) for transmitting signals received from transponders, characterised by placing on different parts of the body of said individual the transponders that have individual-unique defined identities, by placing a plurality of antenna loops ( 16 , 17 , 18 , 19 , 20 ) in and around buildings, rooms and other spaces to be monitored for a direct co-action with the transponders carried by the individual, by registering the presence the transponders within a detection range of one of the antenna loops to obtain a positioning of each of the transponders carried by the individual, and by using the signals sent to the monitoring centre ( 13 ) to show movements of individuals as a three-dimensional animated picture on a picture screen, wherein the individual is displayed as an animated non-static three-dimensional picture of the individual and the three-dimensional picture of the individual changes as the individual moves.