Pre-inflation pressure compensation bending disc transducer and manufacturing method thereof

The invention relates to a pre-inflation pressure compensation bending disc transducer and a manufacturing method thereof.The pre-inflation pressure compensation bending disc transducer comprises a transducer body, the transducer body is internally provided with a closed air cavity formed by welding...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JIAN, CHENG QIHANG, YAO JIYUAN
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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