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CHEMINS DE FER FRANCAISE SOC N
SNCF Mobilites
Original Assignee
CHEMINS DE FER FRANCAISE SOC N
SNCF Mobilites
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Application filed by CHEMINS DE FER FRANCAISE SOC N, SNCF MobilitesfiledCriticalCHEMINS DE FER FRANCAISE SOC N
Application grantedgrantedCritical
Publication of FR57267EpublicationCriticalpatent/FR57267E/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
H04Q9/04—Arrangements for synchronous operation
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
FR57267D1947-04-041947-04-04Procédé de contrôle électrique à distance et appareillage mettant en oeuvre ce procédé
ExpiredFR57267E
(fr)