G - Physics – 10 – K
Patent
G - Physics
10
K
G10K 11/16 (2006.01) F04D 29/66 (2006.01) F24F 13/24 (2006.01) G10K 11/178 (2006.01)
Patent
CA 2159969
Method and apparatus for the active cancellation of broad band noise and/or single frequency tones emanating from rotating machinery, such as an air moving device, by detecting related mechanical and acoustic signals therein and causing canceling vibrations to be applied directly to the rotating machinery by a transducer.
Kubli Robert Alfred
Quinlan Daniel A.
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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