Device for actively reducing sound transmission, and panel comprising such device

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Berkhoff, Arthur Perry (2009) Device for actively reducing sound transmission, and panel comprising such device. Patent.

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Abstract:A device for actively reducing sound transmission, provided with a first and second wall (3, 5) enclosing an inner space (1, 2), wherein at least the second wall (5) is provided with actuators (6), for instance eletromagnetic actuators and/or piezoeleteric elements, wherein the said inner space is provided with at least one inner wall (4) to divide this space into at least two layers of air (1, 2), which inner wall (4) is arranged such that the layers of air (1, 2) are in fluid connection with each other.
Item Type:Patent
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/75929
Official URL:http://v3.espacenet.com/publicationDetails/biblio?CC=US&NR=7530426B2&KC=B2&FT=D&date=20090512&DB=EPODOC&locale=en_V3
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