Method for controlling wrinkles in a vibratile diaphragm

Details Method for controlling wrinkles in a vibratile diaphragm Method for controlling wrinkles in a vibratile diaphragm

1981-03-24

1983-08-30

Fuller, Benjamin R.

29594, H04R 1900

Patent

active

044018584

ABSTRACT:
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.

REFERENCES:
patent: 4085297 (1978-04-01), Paglia

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