FIRE RECEIVER, FIRE DETECTOR AND FIRE ALARM FACILITY

摘要

PROBLEM TO BE SOLVED: To provide a fire alarm facility such that, even if microcomputers are used which are installed respectively in each of a plurality of fire detectors connected to a fire receiver and of which the clocks vary considerably, communication speeds can be matched among the respective fire detectors and the communication speed can be adjusted by varying an interval between reference pulses.;SOLUTION: For the fire alarm facility, a reference pulse sending means, for sending the reference pulse having a predetermined interval to a signal wire, is provided in the fire receiver, and a speed setting means for setting (to match timing) a transmission speed based on the predetermined interval by the reference pulses is provided in the fire detector.;COPYRIGHT: (C)2004,JPO