ACOUSTIC DEVICE, AND ELECTRONIC DEVICE

An acoustic device including: a vibrating film which has waterproofness; a support which is located alongside the vibrating film in a direction and supports the vibrating film; a waterproof which is in contact with the support; an insulating plate which is located on an opposite side of the waterpro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OTSUBO, Hiroaki, NISHIYAMA, Hiroki
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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Beschreibung
Zusammenfassung:	An acoustic device including: a vibrating film which has waterproofness; a support which is located alongside the vibrating film in a direction and supports the vibrating film; a waterproof which is in contact with the support; an insulating plate which is located on an opposite side of the waterproof to a side where the support is arranged, and which has a first through hole leading to the vibrating film; and a metal plate which is located on an opposite side of the insulating plate to the waterproof, which has a second through hole communicating with or containing the first through hole, and which is fixed in a state pressing the insulating plate along the direction.