Sound absorbing material encapsulation structure for sound production device, and sound production device

Provided are a sound absorbing material encapsulation structure for a sound production device, and a sound production device. The sound absorbing material encapsulation structure comprises: a rigid cavity wall enclosed to form a cavity of the sound absorbing material encapsulation structure, the cav...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Niu, Jiapeng, Sun, Zhijun
Format:	Patent
Sprache:	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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