Exponential multi-ported acoustic enclosure

Details Exponential multi-ported acoustic enclosure Exponential multi-ported acoustic enclosure

1995-03-08

1996-09-03

Dang, Khanh

Acoustics

Sound-modifying means

Housing or enclosure

181151, 181153, A47B 8106

Patent

active

055525695

ABSTRACT:
An improved system for acoustic enclosures, which greatly enhances sound reproduction, with improved frequency response, reduction in harmonics-induced distortion, improved conversion of electrical to acoustical energy increased purity of sound due to better phase response among its other qualities. The acoustic principles utilized at those of the resonating air column, the horn-type form, and the multiport. A horn-shaped multiport comprised of a number of smaller ports is used to modify the resonating air column to produce the exponential multi-ported acoustic enclosure.

REFERENCES:
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patent: 2885024 (1959-05-01), Jordan
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patent: 3722616 (1973-03-01), Beavers
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patent: 4421957 (1983-12-01), Wallace, Jr.
patent: 4580654 (1986-04-01), Hale
patent: 4616731 (1986-10-01), Robinson
patent: 5137110 (1992-08-01), Bedard, Jr. et al.

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