| 摘要 |
PURPOSE:To display a location of each mobile radio terminal equipment automatically by providing a display device utilizing an automatic location detection function and receiving/displaying location information of each mobile radio terminal equipment sent from an exchange main body. CONSTITUTION:Radio transmitters/receivers 20, 21 installed respectively in radio zones 1, 2 are connected to an exchange body through radio interface circuits 30, 31 and used for the call connection with a switch circuit network 40 by the control of a main control circuit 50. Then a location display device 70 is connected to the main control circuit 50 through a display device interface circuit 60 and the location information of each mobile radio telephone terminal equipment stored in the main control circuit 50 is received together with a mobile radio telephone terminal number and the location information is displayed on the display location of the mobile radio telephone terminal equipment. |
