| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve reliability and a sense of security by making a plurality of alarm systems cooperate with each other via a CATV transmission path to mutually reinforce their functions. <P>SOLUTION: Alarm systems including house alarms 10-11 to 10-22 for issuing alarms cooperatively with each other when detecting abnormality are installed in a plurality of residences 24-1 and 24-2, and the alarm systems of those respective residences are made to cooperate with each other via CATV adaptors 100-1 and 100-2, a CATV transmission path 204, and an uplink/downlink converter 300. When a fire is detected by the house alarm 10-11 of the residence 24-1, a fire alarm is issued in the residence, and a fire cooperation interlock signal is transmitted via the CATV adaptor 100-1, the CATV transmission path 204, the uplink/downlink converter 300 and the CATV adaptor 100-2 to the CATV adaptor 100-2 of the residence 24-2, and the house alarms 10-21 and 10-22 are made to output the other residence fire alarms showing the fire of the other residences via the CATV adaptor 100-2. <P>COPYRIGHT: (C)2013,JPO&INPIT |
