JP2010085994A5 - - Google Patents

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Publication number
JP2010085994A5
JP2010085994A5 JP2009225684A JP2009225684A JP2010085994A5 JP 2010085994 A5 JP2010085994 A5 JP 2010085994A5 JP 2009225684 A JP2009225684 A JP 2009225684A JP 2009225684 A JP2009225684 A JP 2009225684A JP 2010085994 A5 JP2010085994 A5 JP 2010085994A5
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JP
Japan
Prior art keywords
sound attenuating
conduit
wall
sound
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2009225684A
Other languages
English (en)
Japanese (ja)
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JP2010085994A (ja
Filing date
Publication date
Priority claimed from US12/243,930 external-priority patent/US8240427B2/en
Application filed filed Critical
Publication of JP2010085994A publication Critical patent/JP2010085994A/ja
Publication of JP2010085994A5 publication Critical patent/JP2010085994A5/ja
Pending legal-status Critical Current

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JP2009225684A 2008-10-01 2009-09-30 音響減衰システム及び方法 Pending JP2010085994A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/243,930 US8240427B2 (en) 2008-10-01 2008-10-01 Sound attenuation systems and methods

Publications (2)

Publication Number Publication Date
JP2010085994A JP2010085994A (ja) 2010-04-15
JP2010085994A5 true JP2010085994A5 (enExample) 2012-10-04

Family

ID=41461029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009225684A Pending JP2010085994A (ja) 2008-10-01 2009-09-30 音響減衰システム及び方法

Country Status (4)

Country Link
US (1) US8240427B2 (enExample)
EP (1) EP2172716A3 (enExample)
JP (1) JP2010085994A (enExample)
CN (1) CN101714353A (enExample)

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