Communication control system capable of searching a called telephone set in a mobile radio telephone network

Abstract From the Canadian patent

For use in a mobile radio telephone network including radio telephone sets movable in an area divided into a predetermined number of zones a, communication control system includes a searching i arrangement (25, 33) for searching one (15') of radio communication devices of the network as a searched communication device that is assigned to a present one of the zones into which a specific one (11') of the radio telephone sets has moved from a previous one of the zones. For operation of the searching arrangement a communicating arrangement (22, 25, 32) of the system sends a call signal to a specific one of the radio communication devices that is assigned to the previous zone to transmit the …