ELECTROSTATIC ACOUSTIC TRANSDUCER

A high-fidelity electrostatic acoustic transducer comprising a pair of fixed electrodes with a multiplicity of small openings and supported opposite to each other and a vibrating film electret with a conductive layer formed on one side thereof, the vibrating film being held between the fixed electro...

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Bibliographische Detailangaben
Hauptverfasser:	AOI T,JA, ATOJI N,JA
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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Beschreibung
Zusammenfassung:	A high-fidelity electrostatic acoustic transducer comprising a pair of fixed electrodes with a multiplicity of small openings and supported opposite to each other and a vibrating film electret with a conductive layer formed on one side thereof, the vibrating film being held between the fixed electrodes as an acoustic transducer section. An electrostatic field is generated between the electret and one of the fixed electrodes by the electret and thereby the second higher harmonics generated between one of the fixed electrodes and the vibrating film electret are capable of being eliminated on the other fixed electrode.