TRANSDUCER AND DRIVING METHOD THEREOF, AND SYSTEM

TRANSDUCER AND DRIVING METHOD THEREOF, AND SYSTEM

A transducer includes: a piezoelectric element; and a film body including a film support portion having a hollow portion, and a vibration film connected to the film support portion and displaceable in a film thickness direction, the film body having the piezoelectric element stacked over the vibrati...

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Hauptverfasser: NAIKI, Takashi, SHIMOJI, Noriyuki, DATE, Tomohiro
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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creator NAIKI, Takashi
SHIMOJI, Noriyuki
DATE, Tomohiro
description A transducer includes: a piezoelectric element; and a film body including a film support portion having a hollow portion, and a vibration film connected to the film support portion and displaceable in a film thickness direction, the film body having the piezoelectric element stacked over the vibration film. The piezoelectric element includes: a first stacked body having a first pair of electrodes and a first piezoelectric film sandwiched between the first pair of electrodes; and a second stacked body having a second pair of electrodes and a second piezoelectric film sandwiched between the second pair of electrodes, the second stacked body being separated from the first stacked body.
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subjects DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
title TRANSDUCER AND DRIVING METHOD THEREOF, AND SYSTEM
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