FR354731A - Procédé et dispositif pour permettre aux lampes à arc à courant alternatif de marcher indifféremment avec ce courant et avec le courant continu
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Procédé et dispositif pour permettre aux lampes à arc à courant alternatif de marcher indifféremment avec ce courant et avec le courant continu
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ROBERT STANISLAS LEDUC
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ROBERT STANISLAS LEDUC
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Application filed by ROBERT STANISLAS LEDUCfiledCriticalROBERT STANISLAS LEDUC
Application grantedgrantedCritical
Publication of FR354731ApublicationCriticalpatent/FR354731A/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
H05B31/00—Electric arc lamps
H05B31/0081—Controlling of arc lamps
H05B31/0087—Controlling of arc lamps with a thread or chain
FR354731D1905-05-291905-05-29Procédé et dispositif pour permettre aux lampes à arc à courant alternatif de marcher indifféremment avec ce courant et avec le courant continu
ExpiredFR354731A
(fr)