| 摘要 |
PROBLEM TO BE SOLVED: To accurately and effectively execute emergent announcement by providing this mobile object communication system with storage, exchange and control devices, and when necessary, time-dividedly and alternatively sending a normal sound and stored position information to a telephone line or a communication line. SOLUTION: A station 3 recognizes whether a telephone call is emergent announcement or not based upon the call originating number of a communication equipment 1. At the time of emergency, the station 3 specifies the current position of the equipment 1, stores the specified information in a device built in the station 3 iteself by a sound or data format. When the station 3 receives a signal for requesting the transmission of the sound or data stored in the device 8, the sound or data is transmitted to a telephone line or a communication line through a device 9. A device 10 sends a control instruction to a storage device 8 or the like and controls the operation of respective parts. A normal sound is inputted to a device 5 through a device 4 except the input of a request signal from the equipment 1 and sent to the telephone line or the communication line through the device 9. |
