Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yossi Barath0
Alon Slapak0
Itai Michael Itnati0
Micahel Surov0
Date of Patent
January 11, 2011
0Patent Application Number
116060100
Date Filed
November 30, 2006
0Patent Primary Examiner
Patent abstract
An Active Muffler in the form of a duct having two open ends for conveying air from a within a cabinet to outside the cabinet. A fan or blower is incorporated in the duct. An Automatic Noise Control (ANC) unit is associated with the duct, and at least one microphone and at least one speaker are incorporated in to the duct for noise-reduction. An outer portion of the duct may be sound-absorbing material. the ANC unit may cause noise to be shifted to a frequency that can be absorbed by the sound-absorbing material.
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