Exit guiding system

Details Exit guiding system Exit guiding system

1987-05-22

1989-01-03

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specified indicator structure

315 76, 340628, G08B 1710, G08B 706

Patent

active

047960183

ABSTRACT:
An exit guiding system comprising detectors of changes in ambient condition due to a fire, a guiding device positioned near each fire exit or exit access, instruction means controlling operation or non-operation of each guiding device based upon signal levels from said detectors, operation of each guiding device being initiated when any detector outputs a signal indicating a dangerous condition, operation of individual guiding devices being suspended when ambient conditions local to said guiding device are dangerous, except the guiding device continuing operation when local conditions inside a door are dangerous but local conditions outside the same door are acceptable.

REFERENCES:
patent: 4074225 (1978-02-01), Vandeweghe
patent: 4283657 (1981-08-01), Gordon et al.
patent: 4319234 (1982-03-01), Rice
patent: 4531114 (1985-07-01), Topol et al.

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