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Filing date
Publication date
Application filedfiledCritical
Priority to JP15914375ApriorityCriticalpatent/JPS5284386A/ja
Publication of JPS5284386ApublicationCriticalpatent/JPS5284386A/ja
Publication of JPS5537914B2publicationCriticalpatent/JPS5537914B2/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
H04Q9/08—Calling by using continuous AC
H04Q9/10—Calling by using continuous AC using single different frequencies
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Train Traffic Observation, Control, And Security
(AREA)
Selective Calling Equipment
(AREA)
JP15914375A1975-12-301975-12-30Information generator in the frequency time sharing band erasing centr alized supervisory system
GrantedJPS5284386A
(en)