Rotatable horn capable of controlling horizontal and vertical angles

The utility model relates to the technical field of electronic equipment, in particular to a rotatable horn capable of controlling horizontal and vertical angles, which is convenient for adjusting the mounting angle of a horn main body, controlling the horizontal and vertical angles of the horn main...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHEN MINGHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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