Sound absorbing structure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 27, 2003
Grant Date -
N/A
app pub date -
Apr 24, 2000
filing date -
Apr 22, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sound absorbing structure including a sound absorbing member, an air layer, and a resonant sound absorbing structure. The air layer is formed in the rear of the sound absorbing member. The resonant sound absorbing structure includes a slit and is formed in the rear of the sound absorbing member. The sound absorbing member is a surface plate covering the rear air layer and the resonant sound absorbing structure, and the sound absorbing member is shaped in one of a plate and plane.
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