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Class 181/159 - With horn


Subclass of Class 181 - Acoustics
Definition: Subject matter including a sound intensifying horn acoustically
No. of applications: 1
Last issue date: 03/30/2006


Application No.Application TitleIssue Date
20060065475Acoustic device
In an acoustic horn of the type wherein a resiliently flexible membrane is stretched across an edge of a tube and vibrated by pressurized fluid forced between the tube edge and a first surface of the membrane into the tube, a positionally adjustable end cap is disposed ...
03/30/2006
 
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