Communications: electrical – Condition responsive indicating system – Specified housing
Patent
1991-03-05
1992-09-08
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specified housing
340628, 340632, 340691, G08B 1710
Patent
active
051462095
ABSTRACT:
A self-contained apparatus for emergency lighting has a light, a detector for gas or the like, which can produce an electric input, and a processor which can receive the electric input and produce an optic and/or acoustic alarm.
REFERENCES:
patent: 4263588 (1981-04-01), Gautier
patent: 4959637 (1990-09-01), Woods et al.
patent: 5028911 (1991-07-01), Wanat et al.
Dubno Herbert
G.P.B. Beghelli S.R.L.
Swann III Glen R.
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