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Thales SA
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CSF Compagnie Generale de Telegraphie sans Fil SA
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Application filed by CSF Compagnie Generale de Telegraphie sans Fil SAfiledCriticalCSF Compagnie Generale de Telegraphie sans Fil SA
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Publication of FR908831ApublicationCriticalpatent/FR908831A/fr
H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
FR908831D1940-12-241940-12-24Perfectionnements aux systèmes électriques comportant plusieurs postes placés en dérivation sur une même ligne
ExpiredFR908831A
(fr)