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Filing date
Publication date
Application filedfiledCritical
Priority to JP50066286ApriorityCriticalpatent/JPS51141504A/ja
Publication of JPS51141504ApublicationCriticalpatent/JPS51141504A/ja
Publication of JPS5631798B2publicationCriticalpatent/JPS5631798B2/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
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Synchronisation In Digital Transmission Systems
(AREA)
Selective Calling Equipment
(AREA)
Digital Transmission Methods That Use Modulated Carrier Waves
(AREA)
Time-Division Multiplex Systems
(AREA)
JP50066286A1975-05-311975-05-31Cyclic digital information transmission system
GrantedJPS51141504A
(en)