Abstract
The present invention relates to a process and transducer for emitting wideand and low frequency acoustic waves in unlimited immersion depth. The invention is applied to tranducers comprising at least one electro-acoustic motor (1) causing any wall 3 of the said waves to vibrate, and a hollow shell 5 enclosing the said motor 1, and delimiting with the said vibrating wall 3 among others, a cavity 7, characterised in that: at least one opening 5, causing cavity 7 to communicate with ambient medium 4, is made in said shell 5; in at least part of the volume of the said cavity 7, at least one flexible bladder 7, is installed; this bladder 8 is filled with a fluid 9 more compressible than fluid 4.
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