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Filing date
Publication date
Application filedfiledCritical
Priority to JP7471575ApriorityCriticalpatent/JPS51151483A/ja
Publication of JPS51151483ApublicationCriticalpatent/JPS51151483A/ja
Publication of JPS5732536B2publicationCriticalpatent/JPS5732536B2/ja
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
H04Q9/14—Calling by using pulses
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Alarm Systems
(AREA)
Small-Scale Networks
(AREA)
Selective Calling Equipment
(AREA)
JP7471575A1975-06-191975-06-19Information transmission system
GrantedJPS51151483A
(en)