Hemispherical speaker system

Details Hemispherical speaker system Hemispherical speaker system

1997-05-01

1999-03-30

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

381182, 381386, 181144, H04R 2500

Patent

active

058898760

ABSTRACT:
A speaker system of a plurality of speakers in a hemispherically directed array, includes a housing having a front, a back and a chamber, the back defined by a plane, and the front defined by a plurality of horns, each horn having a hyperboloid configuration and equally spaced around and from one another in a hemispherical array and directed outward from a common point on the plane, and each of the horns having an apex and a focal point, and a transducer of a first frequency range mounted at the apex thereof. An alternative includes a transducer of a higher frequency mounted at the focal point thereof.

REFERENCES:
patent: 4673057 (1987-06-01), Glassco
patent: 4890689 (1990-01-01), Smith
patent: 5025473 (1991-06-01), Carlsen, II et al.

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