Discharge tube arrangement

Details Discharge tube arrangement Discharge tube arrangement

1989-12-13

1991-11-05

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Discharge device load

315 39, 315267, 315344, H01J 1980

Patent

active

050633333

ABSTRACT:
A discharge tube arrangement comprises a launcher and a discharge tube positioned in part within the launcher. When the launcher is energized with radio frequency (r.f.) power, surface waves are excited in the discharge tube which contains a fill. An electrically conductive structure extends along the discharge tube and is connected to an earth when in use. The structure is separated from the discharge tube by a radial distance such that, in use, the discharge tube produces an increase in total light output over the total light output of a discharge tube not having this structure. The structure comprises an insufficient quantity of material to obscure this increase in total light output.

REFERENCES:
patent: 3521120 (1970-07-01), Anderson
patent: 4171503 (1979-10-01), Kwon
patent: 4792725 (1988-12-01), Levy et al.
Patent Abstracts of Japan, unexamined applications, E Field, vol. 8, No. 36, Feb. 16, 1984, The Patent Office Japanese Government, p. 37, E 227 *Kokai-No. 58-194 244 (Mitsubishi Denki K.K.)*.
Patent Abstracts of Japan, unexamined applications, E Field, vol. 12, No. 118, Apr. 13, 1988, The Patent Office Japanese Government, p. 63, E 600 *Kokai-No. 62-246 245 (Canon Inc.)*.

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