Method of producing electroacoustic converters, preferably...

Details Method of producing electroacoustic converters, preferably... Method of producing electroacoustic converters, preferably...

H - Electricity

04

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26/125, 349/69

H04R 31/00 (2006.01) H04R 1/22 (2006.01) H04R 1/28 (2006.01) H04R 19/01 (2006.01)

Patent

CA 1263738

ABSTRACT OF THE DISCLOSURE An electroacoustic converter with a closed-off resonance chamber, e.g. a microphone comprises a frame carrying an elec- trode and a diaphragm together with electrical contact means. A band of plastically deformable material is sealingly attached to the frame via a joint for providing good base response. The sensitivity of the microphone, which depends on the volume of the resonance chamber, is adjusted to the desired value by a depression in the band. During production, the frames are at- tached to the band and are conveyed with its aid between dif- ferent stations. Sensititivy is measured and can be adjusted with the aid of a defining tool.

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