Sound absorbing structures
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United States of America Patent
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Apr 18, 1989
Grant Date -
N/A
app pub date -
Jun 16, 1987
filing date -
Jun 16, 1987
priority date (Note) -
Expired
status (Latency Note)
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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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