Speaker system

Details Speaker system Speaker system

1993-05-27

1995-07-11

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381158, 181152, H04R 2500

Patent

active

054328608

ABSTRACT:
A speaker system includes an acoustic horn disposed in a cabinet. The acoustic horn is cone-shaped, is composed of a porous sound absorbing material, and has an aperture for interconnecting a space at the rear of a speaker unit and a space in the acoustic horn. A sound absorbing member or a passive radiator is disposed at the aperture.

REFERENCES:
patent: 3356179 (1967-12-01), Tompkins
patent: 3982607 (1976-09-01), Evans
patent: 4206830 (1980-06-01), Sohma et al.
patent: 4314620 (1982-02-01), Gollehon
patent: 4807293 (1989-02-01), Weckler
patent: 4893659 (1990-01-01), Tamura et al.
patent: 5115883 (1992-05-01), Morikawa et al.
patent: 5233136 (1993-08-01), Hamada
"National Technical Report" vol. 34 No. 5, Oct., 1988.

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