FR1224928A - Dispositif de couplage pour la limitation de courant et le préchauffage en vue de l'allumage de lampes à substance luminescente
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Dispositif de couplage pour la limitation de courant et le préchauffage en vue de l'allumage de lampes à substance luminescente
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Licentia Patent Verwaltungs GmbH
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Licentia Patent Verwaltungs GmbH
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Application grantedgrantedCritical
Publication of FR1224928ApublicationCriticalpatent/FR1224928A/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
H05B41/36—Controlling
H05B41/38—Controlling the intensity of light
H05B41/39—Controlling the intensity of light continuously
H05B41/391—Controlling the intensity of light continuously using saturable magnetic devices
FR786036A1958-02-211959-02-06Dispositif de couplage pour la limitation de courant et le préchauffage en vue de l'allumage de lampes à substance luminescente
ExpiredFR1224928A
(fr)