Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michel Chappat0
Bernard Sapoval0
Didier Peyrard0
Marcel Filoche0
Date of Patent
December 18, 2007
0Patent Application Number
105081190
Date Filed
March 19, 2003
0Patent Primary Examiner
Patent 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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