FR773883A - Dispositifs de commande de l'alimentation de circuits de signalisation, d'éclairage, etc., par commutation de circuits magnétiques
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Dispositifs de commande de l'alimentation de circuits de signalisation, d'éclairage, etc., par commutation de circuits magnétiques
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CIE DU CHEMIN DE FER METROPOLI
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CIE DU CHEMIN DE FER METROPOLI
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Publication of FR773883ApublicationCriticalpatent/FR773883A/fr
H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
H01F29/00—Variable transformers or inductances not covered by group H01F21/00
H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit
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Engineering & Computer Science
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Power Engineering
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FR773883D1933-08-221933-08-22Dispositifs de commande de l'alimentation de circuits de signalisation, d'éclairage, etc., par commutation de circuits magnétiques
ExpiredFR773883A
(fr)
Dispositif de commande pneumatique pour contacts électriques mobiles de tables de commutation pour l'allumage sélectif des lampes sur des panneaux de lampes