Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate
2008-07-08
2008-07-08
Donovan, Lincoln (Department: 2837)
Acoustics
Sound-modifying means
Sound absorbing panels
Reexamination Certificate
active
07395898
ABSTRACT:
There is disclosed a sound attenuation panel comprising, a rigid frame divided into a plurality of individual cells, a sheet of a flexible material, and a plurality of weights. Each weight is fixed to the sheet of flexible material such that each cell is provided with a respective weight and the frequency of the sound attenuated can be controlled by suitable selecting the mass of the weight.
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Sheng Ping
Wen Weijia
Yang Zhi Yu
Zhang Xixiang
Buchanan & Ingersoll & Rooney PC
Donovan Lincoln
Phillips Forrest
RSM Technologies Limited
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