Fire alarm system

Details Fire alarm system Fire alarm system

1985-06-18

1987-02-17

Susann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340584, 340588, 340628, G08B 1706

Patent

active

046443312

ABSTRACT:
The detection signals regarding the temperature or smoke concentration generated due to the fire are sampled. The sampled data is processed by being averaged. An occurrence of a fire is determined on the basis of the processed data, i.e. - the averaged data, after completion of the averaging processes. The detection signals which are used for the fire determined are obtained by performing a moving mean calculation of a plurality of sampled data as one group and/or by executing a simple mean calculation of a plurality of moving mean data as one group.

REFERENCES:
patent: 4195286 (1980-03-01), Galvin
patent: 4469944 (1984-09-01), Kern et al.
patent: 4568924 (1986-02-01), Wuthrich et al.

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