TWI792029B

A piezo-electric element includes a piezo-electric element part, a support part, and a stretchable film. The piezo-electric element part includes a piezo-electric film and electrodes between which the piezo-electric film is sandwiched in a thickness direction. The support part supports a peripheral...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA, HIDEO, KUCHIJI, HIROYUKI, TESHIGAHARA, AKIHIKO, MIZUTANI, ATSUSHI, MASUMOTO, NAOKI
Format:	Patent
Sprache:	chi
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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