发明名称 Method and apparatus for reducing acoustic noise from paired cooling fans
摘要 A pair of cooling fans in an electronic system is operated synchronously at a common speed and with a particular phase relationship between their respective acoustic properties that minimizes the combined acoustic noise produced by the pair of cooling fans.
申请公布号 US2005237717(A1) 申请公布日期 2005.10.27
申请号 US20040830660 申请日期 2004.04.22
申请人 BABB SAMUEL M;WEAVER JEFFREY S;PIOTROWSKI PETER;LEE GARLAND 发明人 BABB SAMUEL M.;WEAVER JEFFREY S.;PIOTROWSKI PETER;LEE GARLAND
分类号 H05K7/20;(IPC1-7):H05K7/20 主分类号 H05K7/20
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