Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas Hogue0
Peter Premo0
Brian Sterling0
John Sheerin0
Date of Patent
May 22, 2012
0Patent Application Number
125981770
Date Filed
August 14, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle.
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