ELECTROACOUSTIC CONVERTER AND METHOD OF FORMING SAME

An electroacoustic converter with a closed-off resonance chamber, e.g. a microphone, includes frame (1) carrying an electrode (2) and a diaphragm (3) together with means for electrical connection (5). A band (17) of plastically deformable material is sellingly attached to the frame via a joint (15)...

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Bibliographische Detailangaben
Hauptverfasser:	KAARU ARITSUTO YOHANSON, HENINGU SHIYUMITSUTO MATSUDOSEN, TOMII SHIGUBARUDO SEGEROO
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:	An electroacoustic converter with a closed-off resonance chamber, e.g. a microphone, includes frame (1) carrying an electrode (2) and a diaphragm (3) together with means for electrical connection (5). A band (17) of plastically deformable material is sellingly attached to the frame via a joint (15) for providing good base reproduction. The sensitivity of the microphone, which depends on the volume of the resonance chamber, is adjusted to the desired value by an impression (16) in the band. When in production, the frames (1) are attached to the band (17) and are conveyed with its aid between different operation stations. Sensitivity is measured with the aid of a measuring apparatus (20) and a loudspeaker (18) and is adjusted by a tool (19).