Mining emergency broadcasting phonetic system

The invention discloses a mining emergency broadcasting phonetic system. The mining emergency broadcasting phonetic system comprises ground broadcasting main-control equipment, at least one intelligent intrinsically-safe repeater and at least one underground broadcasting substation, wherein the grou...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CUI DONGFANG, ZHU YONGPING, GU ZHIPENG, ZHONG BICHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BROADCAST COMMUNICATION EARTH DRILLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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