Double-sided speaker device

A double-sided speaker device is disclosed. The double-sided speaker device comprises a magnetic carrier board, a first magnetic circuit module, a second magnetic circuit module, a first voice coil, a second voice coil, a first voice output cover, and a second voice output cover. The first magnetic...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG, JIIN-TARNG, SUN, CHIH-KAI
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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