Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 11, 2014
Patent Application Number
13430250
Date Filed
March 26, 2012
Patent Citations Received
Patent Primary Examiner
Patent abstract
The systems described include a light-weight, low frequency (200 Hz-1000 Hz), broadband underwater sound sources that comprise an inner resonator tube with thin walls tuned to a certain frequency surrounded by a shorter, larger-diameter, lower frequency tuned outer resonator tube that has an acoustic source suspended off-center inside the inner resonator tube.
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