FR1445997A - Dispositif à transformateur et thermostarter pour l'alimentation de lampes à fluorescence à basse tension à électrodes chauffées
- Google Patents
Dispositif à transformateur et thermostarter pour l'alimentation de lampes à fluorescence à basse tension à électrodes chauffées
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Elektro Appbau F Knobel & Co E
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Elektro Appbau F Knobel & Co E
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Application filed by Elektro Appbau F Knobel & Co EfiledCriticalElektro Appbau F Knobel & Co E
Priority to FR29933ApriorityCriticalpatent/FR1445997A/fr
Application grantedgrantedCritical
Publication of FR1445997ApublicationCriticalpatent/FR1445997A/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
H05B41/18—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 a starting switch
FR29933A1965-08-311965-08-31Dispositif à transformateur et thermostarter pour l'alimentation de lampes à fluorescence à basse tension à électrodes chauffées
ExpiredFR1445997A
(fr)