Method and device for controlling wrinkles in a vibratile...

Details Method and device for controlling wrinkles in a vibratile... Method and device for controlling wrinkles in a vibratile...

H - Electricity

04

R

349/84

H04R 1/00 (2006.01) H04R 7/24 (2006.01) H04R 19/00 (2006.01) H04R 31/00 (2006.01)

Patent

CA 1138090

920 ABSTRACT OF THE DISCLOSURE A method and device for significantly improving the efficiency and sensitivity of an electroacoustical transducer. A relatively inelastic vibratile diaphragm is preformed to the shape of a mating backplate prior to the time it is actually mated to said backplate. By such preforming, the efficiency and sensitivity reducing effects from a wrinkled transducer diaphragm are minimized in that said wrinkles move to a diaphragm region where they have no effect on transducer sensitivity when the backplate is subsequently mated to said diaphragm.

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