Compact fluorescent lamp unit for three-way fluorescent lamp fix

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load

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315 72, 315362, H01J 744, H05B 3702

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active

043486126

ABSTRACT:
A compact fluorescent lamp unit for use with a three-way incandescent-type lamp fixture. The compact fluorescent lamp unit includes a compact fluorescent discharge device of predetermined configuration, a ballast inductor and two capacitors, and housing and support means for supporting the discharge device and housing the ballast inductor. When the switch of the incandescent-type lamp fixture is switched the compact fluorescent discharge device is switched, successively, from a deenergized state; to a low-light output state; to a medium-light output state; and, finally, to a high-light output state.

REFERENCES:
patent: 2817004 (1957-12-01), Baumgartner
patent: 4178535 (1979-12-01), Miller
patent: 4270071 (1981-05-01), Morton
"Conversion of Incandescent Lamp Socket", by Dale et al, Lighting Design & Application, Mar. 76, pp. 18-23.

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