End weighted reed sound transducer

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type

Patent

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Details

367161, H04R 1700

Patent

active

047093595

ABSTRACT:
A cylindrical shell enclosure has mounted interiorly thereof in cantilever manner four upstanding laminated planar flexible resilient electroacoustic transducer reeds. A separate inertia weight is affixed to the top edge of each reed. An acoustic wave impinging on the side wall of the submerged enclosure will cause relative movement between the enclosure and a weight if the wave direction has a component transverse to the plane of the reed on which the weight is mounted. The reeds are mounted in quadrature so that wave direction detection is provided by comparing the electrical outputs of the reeds. Viscoelastic damping pads may be affixed between the side ends of each of the weights and respective upstanding rigid arms secured to an interior surface of the enclosure.

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