ELECTROSTATIC TYPE ELECTROACOUSTIC TRANSDUCER

PROBLEM TO BE SOLVED: To easily emit sound generated in a vibrator to the outside when used as an electrostatic type speaker and to easily convert sound generated outside to acoustic signals when used as an electrostatic type microphone, in an electrostatic type electroacoustic transducer.SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser: NORO MASAO, YAMASHITA MASAYOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To easily emit sound generated in a vibrator to the outside when used as an electrostatic type speaker and to easily convert sound generated outside to acoustic signals when used as an electrostatic type microphone, in an electrostatic type electroacoustic transducer.SOLUTION: Electrodes 20U and 20L are positioned holding an air-permeable separation member 10 therebetween, and elastic members 30U and 30L having elasticity and insulation quality are positioned on the outer side of the electrodes 20U and 20L. Then, on the outer side of the elastic members 30U and 30L, vibrators 40U and 40L for which a conductive film is formed on a surface of a film having the insulation quality are positioned. The electrode 20U and the electrode 20L are configured so as not to be easily displaced by external force compared to the vibrators 40.