ACOUSTIC MODULE AND ANTENNA INCORPORATING SAID ACOUSTIC MODULE
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Dec 17, 2012
filing date -
Dec 23, 2011
priority date (Note) -
Abandoned
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Abstract
An acoustic module is provided for an acoustic antenna for receiving submarine waves, produced in the form of a panel of polychloroprene-based rubber incorporating a plurality of longitudinal tubular ducts extending along the length of the rubber panel and being spaced apart along the width of the rubber panel, the longitudinal ducts receiving columns of hydrophones spaced apart lengthwise, the rubber panel also incorporating at least one transverse duct extending along the width of the rubber panel, the longitudinal and transverse ducts being filled with a fluid and the acoustic panel capable of blocking the ducts in a seal-tight manner, the hardness of the rubber and the thickness of the panel being chosen such that the acoustic module exhibits a first degree of freedom in bending about an axis extending lengthwise and a second degree of freedom in bending about an axis extending widthwise.
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