| 摘要 |
PROBLEM TO BE SOLVED: To easily attain a radio interlocking function based on a stand-alone type alarm.SOLUTION: An interlocking alarm adapter 12-1 closely placed to a house alarm 10-1 in a kitchen detects fire alarm sounds output from the house alarm 10-1 in a case where abnormality of a monitoring area is detected, transmits fire interlocking signals to a notification device 14 placed to a living room to be another place and outputs an interlocking alarm from the notification device 14. The interlocking alarm adapter 12-1 detects sweep sounds whose volume is substantially constant and whose frequencies vary in a predetermined area, in the fire alarm sounds output from the house alarm 10-1, and transmits the fire interlocking signals. |
