Acoustic source assembly

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

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367174, H04R 144

Patent

active

056527357

ABSTRACT:
Acoustic source assembly for offshore seismic exploration, comprising at least one active vibration transducer (1) adapted to be excited by a sweep signal within a desired frequency range. At least one further and passive vibration transducer (2,3) is positioned at such small spacing (B) between the transducers that interaction therebetween provides for a relative enhancement of the frequency response of the whole source assembly at low frequencies.

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