Kit using led units for retrofitting illuminated signs

Details Kit using led units for retrofitting illuminated signs Kit using led units for retrofitting illuminated signs

1993-04-08

1995-02-14

Brittain, James R.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40544, 362812, G09F 1304

Patent

active

053883578

ABSTRACT:
A kit retrofits a conventional exit sign, which normally uses internally mounted incandescent or fluorescent lamps, to operate using multiple LED sources in a group or assembly on a board. Indicia lighting is accomplished substantially indirectly through reflection of light from the LED sources. The LED source is electrically powered through an adapter that fits into the socket of the original incandescent lamp or fluorescent lamp, which is removed in the retrofit process. Metalized plastic light reflective panels are provided in the kit for adhesively connecting to inner surfaces of the enclosure for improved lighting efficiency of the indicia. Reduction of energy consumption by 10 or 20 times is coupled with virtually zero maintenance costs over long periods of time.

REFERENCES:
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patent: 1761868 (1930-06-01), Burke
patent: 2216424 (1940-10-01), Stehlin
patent: 3324290 (1967-06-01), Lasker
patent: 4211955 (1980-07-01), Ray
patent: 4271621 (1981-06-01), Garcia et al.
patent: 4561203 (1985-12-01), MacDonald, Jr. et al.
patent: 4628422 (1986-12-01), Ewald
patent: 4682147 (1987-07-01), Bowman
patent: 5018290 (1991-05-01), Kozek et al.
patent: 5105568 (1992-04-01), Branning
Lumacell, Inc., Scarborough, Ontario (advertising brochure, estimated publication, Spring, 1993).
Flexlite, Inc., Edison, N.J. (advertising brochure, Publication date unknown).
Electrodex, Inc., East Bradenton, Fla. (advertising brochure, estimated publication date-early 1989).

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