Card – picture – or sign exhibiting – Illuminated sign – Lamp box
Patent
1979-04-06
1981-06-09
Mancene, Gene
Card, picture, or sign exhibiting
Illuminated sign
Lamp box
40573, 362183, G09F 1304
Patent
active
042716217
ABSTRACT:
A conversion kit or assembly for standard exit sign constructions is provided which allows quick and easy changeover of the sign (which is normally illuminated only by standard 120 volt building current) to a design wherein a secondary source of illumination and electrical power is provided for emergency use. The conversion kit includes a replacement support housing having a battery and printed circuit board therein, along with secondary bulbs designed for quick attachment within the sign lens unit, and wiring means for connecting the primary and secondary illuminators to respective power sources. The secondary bulbs are wired to light only upon a failure of normal power, so as to ensure operation of the exit sign. A test switch is also provided for periodically testing the secondary illumination system.
REFERENCES:
patent: 2952079 (1960-09-01), Koch
patent: 3225476 (1965-12-01), Bockmann
patent: 3659179 (1972-04-01), Barker
patent: 3892080 (1975-07-01), Koch
patent: 3931689 (1976-01-01), Shine
Lightalarms Electronics Corporation, "Self-Powered Exit Signs", 8D1-7BA (112575-1).
Sure-Lites Incorporated, "Exit Sign"-Brochure, SL-120-5-78.
Chloride Systems, 6-VOH Self Powered Exit Signs Series SPE/OPE, 1975.
Dualite, Inc., "Exquisite Self-Contained Emergency Lighting Exits," 60-209R, Feb. 1976.
Lithonia, "Fail-Safe Exit Sign" Section EL, Sheet 3.
Garcia Octavio G.
Lambert Peter A.
Devine Lighting, Incorporated
Mancene Gene
Skillington G. Lee
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