Fire detection system

Details Fire detection system Fire detection system

1987-06-11

1988-02-16

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340511, 340531, 34087009, 34087016, 34087017, 34087021, G08B 2300

Patent

active

047258195

ABSTRACT:
A fire sensing unit is provided with apparatus which sends out a code identifying the type of sensor apart from transmission of the quantized signals of the analog output of the sensor of the sensing unit. Thus the data processing unit of the receiving unit of a fire detection system including the sensor can be simplified because the receiving unit need not collate the types of the installed sensors with a list of addresses stored therein. Also replacement of sensors can be easily effected since the information regarding the type of sensors is stored in the sensing unit.

REFERENCES:
patent: 3516063 (1970-06-01), Arkin et al.
patent: 3925763 (1975-12-01), Wadhwani et al.
patent: 4103337 (1977-07-01), Whiteside
patent: 4228424 (1980-10-01), LeNay et al.
patent: 4287508 (1981-09-01), Arita et al.
patent: 4339746 (1982-07-01), Ulicki et al.
patent: 4367458 (1983-01-01), Hackett
patent: 4464653 (1984-08-01), Winner

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