Sound absorbing structures

Details Sound absorbing structures Sound absorbing structures

1987-06-16

1989-04-18

Fuller, B. R.

Acoustics

Sound-modifying means

Sound absorbing panels

181288, 181290, E04B 182

Patent

active

048218413

ABSTRACT:
The instant invention involves a sound absorbing structure which is formed from at least two adjacent panels which are assembled so as to provide a narrow slot of between about 1/16 and 3/4 inch between the panels. The slot opens into a resonance cavity formed by the panels, their support strips, and a bottom member. The resulting sound absorbing structure provides substantial sound absorption at frequencies of less than about 1000 Hz.

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patent: 4244439 (1981-01-01), Wested
patent: 4257998 (1981-03-01), Diependrock Jr. et al.
patent: 4279325 (1981-07-01), Challis
patent: 4621709 (1986-11-01), Naslund

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