Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fumitaka Ichihashi0
Date of Patent
April 7, 2015
Patent Application Number
13964629
Date Filed
August 12, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
The bandwidth or acoustical range of an acoustic structure is increased by locating a sound wave guide within the acoustic cell. The wave guide divides the cell into two acoustical chambers. The two chambers provide an effective increase in resonator length of the cell.
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