DRIVE CIRCUIT OF PIEZOELECTRIC DIAPHRAGM FOR HEADPHONE, AND DRIVE UNIT OF HEADPHONE INCLUDING THE DRIVE CIRCUIT

To emphasize bass in a headphone including a bent piezoelectric diaphragm.SOLUTION: A drive circuit (300) is used in a headphone and vibrates a piezoelectric diaphragm (220) bent to be projected in a separating direction from an ear of a user, to thereby generate sound. The drive circuit (300) inclu...

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Bibliographische Detailangaben

Hauptverfasser:	KANAI DAISUKE, KANAI FUMIHIKO, MIYAHARA NOBUHIRO, MORIYAMA NOBUHIRO, KOBAYASHI MASARU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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