Concave diaphragm for electro-acoustic transducer

Details Concave diaphragm for electro-acoustic transducer Concave diaphragm for electro-acoustic transducer

G - Physics

10

K

84/63, 349/75, 8

G10K 9/13 (2006.01) H04R 7/22 (2006.01) H04R 13/00 (2006.01)

Patent

CA 1056048

CONCAVE DIAPHRAGM FOR ELECTRO-ACOUSTIC TRANSDUCER ABSTRACT OF THE DISCLOSURE An electro-acoustic transducer, adapted to constitute part of an alarm unit, includes a magnetic diaphragm adjacent the core of the transducer. The case for the transducer is so con- figured that it forces the diaphragm into a concave shape, whereby the diaphragm operates extremely efficiently and provides other advantages over a planar diaphragm.

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