Fluorescent light ballast lamp mounting socket construction

Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – By dynamoelectric machine converter

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Details

362216, 362221, 362294, F21S 500, F21V 2900

Patent

active

054713757

ABSTRACT:
A mounting base assembly is adapted to mount a specific commercially available fluorescent lamp. The unit is characterized by the design of the ballast housing to fit inside the space defined by the fluorescent lamp internally of the surrounding, somewhat annular fluorescent tube so that the light fixture can be made as compact as possible. The base assembly is also constructed to minimize the possibility of mounting under- or over-wattage fluorescent lamps.

REFERENCES:
patent: 2817004 (1957-12-01), Baumgartner et al.
patent: 4109303 (1978-08-01), Hetherington
patent: 4386296 (1983-05-01), Beck
patent: 4549251 (1985-10-01), Chapman et al.

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