LED retrolift lamp for exit signs

Details LED retrolift lamp for exit signs LED retrolift lamp for exit signs

1996-04-10

1998-03-10

Pascal, Robert

Electric lamp and discharge devices: systems

Plural series connected load devices

Christmas lights

315187, 315310, 362800, 362812, 362240, H05B 3700

Patent

active

057265356

ABSTRACT:
A retrofit lamp having light emissive diodes, and more particularly, to a retrofittable lamp configured as a standard incandescent lamp which can be used effectively in illuminated signs, such as an exit sign, for operation on each cycle of A/C voltage applied. The newly designed solid-state lamp features a base that can be rotated, approximately 160 degrees, to allow for the optimal positioning of the LED array to maximize the light intensity directed toward the illuminated area.

REFERENCES:
patent: 3795830 (1974-03-01), Richardson
patent: 4211955 (1980-07-01), Ray
patent: 4727289 (1988-02-01), Uchida
patent: 5112157 (1992-05-01), Walton et al.
patent: 5303124 (1994-04-01), Wrobel
patent: 5416679 (1995-05-01), Ruskouski et al.
patent: 5463280 (1995-10-01), Johnson
patent: 5575459 (1996-11-01), Anderson

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