Electrically conductive cylinder for improved starting of compac

Details Electrically conductive cylinder for improved starting of compac Electrically conductive cylinder for improved starting of compac

1998-06-17

2000-05-16

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

313313, 313352, H01J 150

Patent

active

060641525

ABSTRACT:
A compact fluorescent lamp system includes a housing and an external base connector mounted in the housing. The external base connector receives electrical power from an external source. A ballast unit is secured within the housing and is electrically connected to the external base connector. The ballast unit controls the electrical power received from the external source. A lamp unit defines an interior volume. The lamp unit includes first and second lamp electrodes extending into the lamp unit. The lamp unit contains a gas which breaks-down permitting electrical current to pass through the lamp unit. An interior of the lamp unit is coated with a material which fluoresces when the gas within the sealed lamp unit ionizes. An electrically conductive hollow cylinder is located within the interior volume. A breakdown voltage path within the lamp unit is modified by the electrically conductive hollow cylinder.

REFERENCES:
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patent: 5262699 (1993-11-01), Sun et al.
patent: 5512799 (1996-04-01), Waymouth
patent: 5703440 (1997-12-01), Kachmarik et al.

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