Omnidirectional electro-accoustical chamber

Details Omnidirectional electro-accoustical chamber Omnidirectional electro-accoustical chamber

1989-09-29

1992-02-11

Brown, Brian W.

Acoustics

Plural diaphragm sound sources

Plural chambers

181155, 381160, H05K 500

Patent

active

050868713

ABSTRACT:
Omnidirectional electro-acoustical chamber comprising two transducers (4) for low/medium tones and (7) for shrill tones disposed coaxially with their membranes facing one another, the transducer (4) being maintained at the end of the extensions (2) of a compartment (1) and the transducer (7) at the end of the compartment (5), a portion of the sounds emitted by the transducers (4, 7) being diffused by means of a diffuser (9) placed between the membranes, the other portion being reflected on the surfaces (12, 13) of the compartments (1, 5).

REFERENCES:
patent: 3816672 (1974-06-01), Gefvert et al.
patent: 4200170 (1980-04-01), Williams, Jr.
patent: 4322578 (1982-03-01), Selmin
patent: 4588042 (1986-05-01), Palet et al.

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