Solid marine seismic cable

Details Solid marine seismic cable Solid marine seismic cable

2005-02-08

2005-02-08

Moskowitz, Nelson (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C367S149000, C367S173000, C181S110000

Reexamination Certificate

active

06853604

ABSTRACT:
A support structure for piezoelectric elements in a marine seismic cable is provided. The support structure comprises upper and lower cylindrical halves, each with channels formed therein. Two axial channels are adapted to retain three piezoelectric elements each. A third axial channel, positioned between the sensor element channels, is adapted to retain a flexible circuit. Transverse channels between the sensor element channels and the circuit channels accommodate extension from the flexible circuit. The piezoelectric elements are mounted within their respective channels with a resilient pad with adhesive on both sides. The piezoelectric elements are graded so that any group of three piezoelectric elements exhibits approximately the same sensitivity as any of the other three groups of piezoelectric elements on the support structure.

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patent: 6128251 (2000-10-01), Erath et al.
patent: 6151277 (2000-11-01), Erath et al.
patent: 6292436 (2001-09-01), Rau et al.
patent: 6483775 (2002-11-01), Spackman et al.
patent: 6614723 (2003-09-01), Pearce et al.

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