Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2021
Patent Application Number
15767035
Date Filed
October 5, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed is a broadband underwater acoustic transceiver device. The device can be used in particular for positioning, detection, range finding or underwater acoustic communication. The device coaxially combines, within a transceiver device, a Tonpilz transducer and a FFR transducer, the FFR being arranged in front of the transmission face/horn of the Tonpilz transducer. In such a configuration, the Tonpilz horn also acts as reflective tape for the FFR transducer, forming a common tape-horn element. Furthermore, an annular baffle surrounding the Tonpilz pillar creates a Helmholtz cavity for broadening the emission band towards the low frequencies.
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