PIEZOELECTRIC TRANSDUCER

The invention concerns a piezoelectric transducer including: a conductive layer between first and second piezo-electric layers; first and third electrodes arranged on the front surface of the second piezoelectric layer; second and fourth electrodes arranged on the rear surface of the first piezoelec...

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Hauptverfasser:	DEJAEGER, Remy, FAIN, Bruno
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HEATING LIGHTING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUBLIC ADDRESS SYSTEMS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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creator	DEJAEGER, Remy FAIN, Bruno
description	The invention concerns a piezoelectric transducer including: a conductive layer between first and second piezo-electric layers; first and third electrodes arranged on the front surface of the second piezoelectric layer; second and fourth electrodes arranged on the rear surface of the first piezoelectric layer; and a control circuit configured to: in a first operating phase, simultaneously apply a non-zero voltage to the first electrode, a non-zero voltage to the fourth electrode, and substantially zero voltages to the second and third electrodes; and in a second operating phase, simultaneously apply a non-zero voltage to the second electrode, a non-zero voltage to the third electrode, and substantially zero voltages to the first and fourth electrodes.
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language	eng ; fre ; ger
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subjects	BLASTING DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HEATING LIGHTING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUBLIC ADDRESS SYSTEMS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
title	PIEZOELECTRIC TRANSDUCER
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