Intelligent road condition broadcasting device

The utility model relates to the field of intelligent traffic, in particular to an intelligent road condition broadcasting device which comprises a road surface, a stand column is installed on one side of the road surface, a loudspeaker box is installed on the outer side of the stand column, sound i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIA HUI, LIU YUNFEI, LIU RUOXU, SONG MINGMEI, WANG XIAOQIAN, LI HENGKUN, CHEN JUNYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PHYSICS PUBLIC ADDRESS SYSTEMS SIGNALLING TRAFFIC CONTROL SYSTEMS
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