Arrangement including a metal vapor discharge tube provided with

Details Arrangement including a metal vapor discharge tube provided with Arrangement including a metal vapor discharge tube provided with

1983-12-16

1987-01-13

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

313638, 313 25, 315DIG7, 315 58, 315DIG2, H05B 3702, H05B 3904, H05B 4136

Patent

active

046366911

ABSTRACT:
An arrangement including a frequency converter (4) and a discharge lamp (10) connected thereto wherein the frequency converter (4) is of a type whose output frequency is at least 80 kHz, while the lamp is a low-pressure sodium vapor discharge lamp. This lamp supply system provides a high luminous efficacy for the lamp.

REFERENCES:
patent: 3824428 (1974-07-01), Spira et al.
patent: 4071798 (1978-01-01), Hammond
patent: 4329627 (1982-05-01), Holmes
patent: 4349764 (1982-09-01), Steeman et al.
patent: 4395659 (1983-07-01), Aoike et al.
patent: 4398126 (1983-08-01), Zuchtriegel
patent: 4464607 (1984-08-01), Peil et al.

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