PIEZOELECTRIC ELEMENT AND AUDIO EQUIPMENT

A piezoelectric element including a piezoelectric sheet, which exhibits piezoelectricity when it is stretched, such as a polylactic acid, has a problem in that the piezoelectric sheet tends to tear along a stretching direction. For example, when a bimorph type piezoelectric element (31) is to be con...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ANDOH, MASAMICHI, TAJITSU, YOSHIRO, KURETAKE, SATOSHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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