FR532047A - Dispositif pour la fermeture et l'ouverture automatiques d'un circuit par des courants de conversation ou des vibrations électriques analogues
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Dispositif pour la fermeture et l'ouverture automatiques d'un circuit par des courants de conversation ou des vibrations électriques analogues
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TELEGRAPHON GmbH
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TELEGRAPHON GmbH
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H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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Power Engineering
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FR532047D1920-08-241921-02-22Dispositif pour la fermeture et l'ouverture automatiques d'un circuit par des courants de conversation ou des vibrations électriques analogues
ExpiredFR532047A
(fr)