APPARATUS

An apparatus includes a vibration portion, a first protection member covering a first surface of the vibration portion, and a second protection member covering a second surface of the vibration portion, wherein at least one of the first protection member and the second protection member includes a f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, HwaYoul, SUNG, Seunghyun, LEE, YongWoo, HAM, Yong-Su
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 apparatus includes a vibration portion, a first protection member covering a first surface of the vibration portion, and a second protection member covering a second surface of the vibration portion, wherein at least one of the first protection member and the second protection member includes a first layer including a metal material or an inorganic material.