Noise abatement wall
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United States of America Patent
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Dec 18, 2007
Grant Date -
May 19, 2005
app pub date -
Mar 19, 2003
filing date -
Mar 19, 2002
priority date (Note) -
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Abstract
A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a configuration exhibiting a fractality zone of between 1 cm and 50 cm, of fractal dimension greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements.
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