Electrodeless high pressure sodium iodide arc lamp

Details Electrodeless high pressure sodium iodide arc lamp Electrodeless high pressure sodium iodide arc lamp

1985-06-26

1988-11-08

Moore, David K.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315241R, 313638, 313639, 313642, H01J 1720, H05B 4116

Patent

active

047836156

ABSTRACT:
High pressure xenon is used as a buffer gas in an electrodeless sodium iodide arc lamp. Very high efficacies are achieved by using an arc tube with rounded edges and by surrounding a portion of the arc tube with quartz wool. The arc tube may also contain small amounts of mercury iodide.

REFERENCES:
patent: 3227923 (1966-01-01), Marrison
patent: 3230422 (1966-01-01), Gourber et al.
patent: 3234421 (1966-02-01), Reiling
patent: 3319119 (1967-05-01), Rendina
patent: 3323010 (1967-05-01), Bisjak et al.
patent: 3351798 (1967-11-01), Bauer
patent: 3717782 (1973-02-01), Yamamoto et al.
patent: 3742281 (1973-06-01), McInally
patent: 3763392 (1973-10-01), Hollister
patent: 3860854 (1975-01-01), Hollister
patent: 4605881 (1986-08-01), Dakin
D. D. Hollister, "A Xenon Lamp with Two Less Electrodes", Electro-Optical Systems Design, Feb. 1971, pp. 26-30.
U.S. patent application Ser. No. 454,225, of P. Johnson, filed Dec. 29, 1982.
U.S. patent application Ser. No. 676,367, of Dakin and Johnson, filed Nov. 29, 1984.

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