Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag OesterreichfiledCriticalSiemens Ag Oesterreich
Priority to AT501274ApriorityCriticalpatent/AT331902B/de
Publication of ATA501274ApublicationCriticalpatent/ATA501274A/de
Application grantedgrantedCritical
Publication of AT331902BpublicationCriticalpatent/AT331902B/de
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