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Publication of FR986556ApublicationCriticalpatent/FR986556A/fr
H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
H05B41/14—Circuit arrangements
H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
FR986556D1949-03-051949-03-05Procédé et dispositifs d'adaptation au secteur alternatifs les tubes fluorescents à décharge
ExpiredFR986556A
(fr)
Procédé et dispositifs d'adaptation au secteur alternatif des transformateurs à fuites magnétiques et particulièrement des transformateurs pour tubes fluorescents à décharge