Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate
2007-07-31
2007-07-31
Martin, Edgardo San (Department: 2837)
Acoustics
Sound-modifying means
Sound absorbing panels
C181S207000, C181S209000
Reexamination Certificate
active
10837054
ABSTRACT:
Acoustic attenuation materials are described that comprise outer layers of a stiff material sandwiching a relatively soft elastic material therebetween, with means such as spheres, discs or wire mesh being provided within the elastic material for generating local mechanical resonances that function to absorb sound energy at tunable wavelengths.
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Chan Che Ting
Cue Nelson
Li Zongjin
Sheng Ping
Tse Man
Buchanan & Ingersoll & Rooney PC
Martin Edgardo San
RSM Technologies Limited
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