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LAMPARAS ELECTRICAS GEMELA SL
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LAMPARAS ELECTRICAS GEMELA SL
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Application filed by LAMPARAS ELECTRICAS GEMELA SLfiledCriticalLAMPARAS ELECTRICAS GEMELA SL
Priority to ES0234699ApriorityCriticalpatent/ES234699A1/en
Publication of ES234699A1publicationCriticalpatent/ES234699A1/en
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
Improvements in incandescent lamps, according to which a lamp equipped with two independent light filaments is constituted by the arrangement, in the upper part of the insulating mass that closes the bushing, of a pair of terminal inserts of the internal conductors or independent electrodes, starting from the same bushing a third internal conductor common to the other two, which closes the filament circuit corresponding to one or another independent electrode. (Machine-translation by Google Translate, not legally binding)
ES0234699A1957-04-051957-04-05Improvements in lamps of incandescence (Machine-translation by Google Translate, not legally binding)
ExpiredES234699A1
(en)
Improvements in intermediate connection devices that guarantee the progressive lighting of the electric lamps of incandescence (Machine-translation by Google Translate, not legally binding)
Improvements in the means to allow the variation in the luminous intensity of electrical lamps (Machine-translation by Google Translate, not legally binding)
Improvements in means for producing light comprising in combination an electric discharge lamp and an electric incandescent lamp whose filament is in series with the discharge path