Fluorescent task lamp with optimized alignment and ballast

Details Fluorescent task lamp with optimized alignment and ballast Fluorescent task lamp with optimized alignment and ballast

2009-06-03

2011-11-15

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Filament, electric heater, or resistance in shunt with the...

C315S2090SC, C315S224000, C315S312000, C315S324000

Reexamination Certificate

active

08058806

ABSTRACT:
A handheld fluorescent task lamp comprising a housing assembly having a housing and a tubular lens body enclosing compact fluorescent bulbs, an elongated spine configured for slidingly supporting the lens body, and a resilient bulkhead for cushioning the compact fluorescent bulbs in the lens body; an electronic ballast circuit within the housing comprising a power supply, a self-starting electronic driver circuit operable to start and run at least first and second CFL bulbs; a bulb accommodation circuit that enables operation of the electronic ballast circuit with either starter type or non-starter type and regardless whether one or both CFL bulbs are connected to the driver circuit; and an illumination assembly, wherein the CFL bulbs are oriented with respect to each other such that an enhanced forward emission field is provided.

REFERENCES:
patent: 2004/0183464 (2004-09-01), Miller et al.

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