| 摘要 |
PROBLEM TO BE SOLVED: To provide a security system by which the occurrence of a preset prescribed state is properly and easily informed. SOLUTION: When a sensor 4 senses a prescribed state in a fault information device 1, a line connection means 8 uses an identification number stored in an identification information storage means 7 to connect a channel to a center device 2 and to give an instruction to a center device 2 for connecting a radio channel to a pager 3, and a notice means 9 informs a message of a transmission form with respect to the center device 2 and stored in a message storage means 5 to the center device 2, based on a rule relating to message transmission to the center device 2. Then a reception means 10 of the center device 2 receives an instruction and a message of channel connection to the pager 3, and a radio transmission means 11 connects a radio channel to the pager 3, based on the instruction received by a radio transmission means 11 and transmits the message through it. As a result, a radio reception means 12 in the pager 3 receives the transmitted message, and a display means 16 outputs them message received. |
