Method and device for supervising and giving a progressive alarm

Details Method and device for supervising and giving a progressive alarm Method and device for supervising and giving a progressive alarm

1982-07-07

1986-02-04

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

340545, 340547, G08B 1300

Patent

active

045689202

ABSTRACT:
The method and device employs detectors which are connected to electronic analyzers which, in accordance with the level of detection, actuate the corresponding level of alarm and the level of dissuasion by choosing the suitable timing and the suitable power circuit. The alarm is progressive and dissuasive so as to inform a provoker on the spot, in the region of the openings to be protected, that the system has detectors connected to an alarm center which is capable of analyzing the items of information coming from the detector or detectors and immediately actuating a specific and understandable alarm. The method and device are applicable to the supervision and protection of premises.

REFERENCES:
patent: 3234535 (1966-02-01), Schordine
patent: 3441929 (1969-04-01), Coffer et al.
patent: 3900841 (1975-08-01), Buckles
patent: 4057791 (1977-11-01), Bimmerle et al.
patent: 4198625 (1980-04-01), Mondu et al.
patent: 4222041 (1980-09-01), Von Tomkewitsch et al.

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