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NIPPON DENKI AISHII MAIKON SHISUTEMU KK
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NIPPON DENKI AISHII MAIKON SHISUTEMU KK
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Application filed by NIPPON DENKI AISHII MAIKON SHISUTEMU KKfiledCriticalNIPPON DENKI AISHII MAIKON SHISUTEMU KK
Priority to JP8355583ApriorityCriticalpatent/JPS59208996A/ja
Publication of JPS59208996ApublicationCriticalpatent/JPS59208996A/ja
Publication of JPH0149080B2publicationCriticalpatent/JPH0149080B2/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
DTMF signal transmission method in single frequency simultaneous transmitting and receiving system and single frequency simultaneous transmitting and receiving system transceiver capable of transmitting DTMF signal