Nondirectional acoustic generator and speaker system

Details Nondirectional acoustic generator and speaker system Nondirectional acoustic generator and speaker system

1990-03-27

1993-10-12

Isen, Forester W.

Electrical audio signal processing systems and devices

Having non-electrical feature

Loudspeakers driven in given phase relationship

381188, 381205, 381159, 181145, H04R 102

Patent

active

052533018

ABSTRACT:
A nondirectional acoustic generator includes two acoustic generator units which are disposed facing each other as near as possible to the extent that diaphragms thereof do not become in contact with each other, drive units of the acoustic generator units being connected in series or in parallel to drive the acoustic generator units in phase and generate air compression sound waves which are radiated in the circumferential direction of the diaphragms.
A speaker system includes a plurality of nondirectional acoustic generators coaxially disposed so as to align the centers of respective diaphragms and make the phases at sound generating areas coincident with each other.

REFERENCES:
patent: 3076520 (1963-02-01), Farwell
patent: 3477540 (1969-11-01), Rizo-Patron
patent: 4326099 (1982-04-01), Maille

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