Visual alarm apparatus

Details Visual alarm apparatus Visual alarm apparatus

1985-10-21

1987-09-15

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340691, 340693, 340331, G08B 1900, G08B 300

Patent

active

046942815

ABSTRACT:
A lighting device for a room environment, in a form of a table, ceiling or swag unitary fixture, provides primary illumination for general living and working activities within the space of a room, subject to the on-off control of persons therein; flashing illumination occurring at repetition rates designated for alerting persons, including individuals having impaired hearing abilities, to specific fire, burglar or other alarm conditions, responsive to local or supervised control sensors; and supplemental signaling illumination for communicating instructional information.

REFERENCES:
patent: 3810170 (1974-05-01), Zinsmeister
patent: 3965468 (1976-06-01), Bronson
patent: 4042919 (1977-08-01), Patty
patent: 4047165 (1977-09-01), Andreasson et al.
patent: 4263588 (1981-04-01), Gauties
patent: 4283657 (1981-08-01), Gorden et al.
patent: 4290057 (1981-09-01), Knight

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