Electroacoustic transducer

Details Electroacoustic transducer Electroacoustic transducer

1985-09-04

1987-01-20

Fuller, Benjamin R.

Acoustics

Diaphragm

With resonant chamber

381 91, 381158, G10K 1300

Patent

active

046374892

ABSTRACT:
An electroacoustic transducer has a front air chamber in front of the diaphragm that vibrates upon receiving sound waves or produces sound waves upon vibration and a back air chamber provided in the rear of the diaphragm. The electroacoustic transducer of the present invention further includes an auxiliary air chamber that is provided in the rear of the back air chamber that is coupled thereto by through holes. The auxiliary air chamber is divided into at least two smaller air chambers which are coupled to each other by a small orifice.

REFERENCES:
patent: 3240883 (1966-03-01), Seeler
patent: 3246721 (1966-04-01), Martin
patent: 4054748 (1977-10-01), Balogh
patent: 4189627 (1980-02-01), Flanagan

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