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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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