Fluorescent lamp adapter with shell form ballast

Details Fluorescent lamp adapter with shell form ballast Fluorescent lamp adapter with shell form ballast

1995-07-31

1997-03-04

Neyzari, Ali

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315 57, 315 71, H01J 744

Patent

active

056082894

ABSTRACT:
A shell form ballast has rounded corners for positioning inside a ballast housing for use with a fluorescent light bulb adapter. The ballast has rounded outer corners to meet both long-term life and power requirements, and spatial design constraints of a fluorescent lamp adapter assembly for use in an incandescent lighting fixture, and particularly for use in a recessed incandescent lighting fixture. The rounded outer corners of the ballast provide the ability for the shell form ballast to fit into a hollow housing for use in the recessed lighting fixture while simultaneously providing the shell form ballast a snug fit in the hollow housing, thereby minimizing gap growth.

REFERENCES:
patent: 4383200 (1983-05-01), Van Zon et al.
patent: 4746840 (1988-05-01), Lim
patent: 4939420 (1990-07-01), Lim
Mindell, M. I., "Wound-Steel, 60 Hz Toroidal Transformers Improve Linear Supply Performance", PowerConversion International, Apr. 1985, pp. 58-60.
McGraw-Hill Encyclopedia of Science & Technology, vol. 18 (Sur-Typ), 7th edition, 1992, pp. 479-486.

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