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Publication of FR988902ApublicationCriticalpatent/FR988902A/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
H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
H05B39/09—Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses
FR988902D1944-01-271944-01-27Procédé et appareil permettant de diminuer la quantié d'energie électrique consommée par une installation d'éclairage
ExpiredFR988902A
(fr)