Rotational geophone

Details Rotational geophone Rotational geophone

1983-11-29

1986-07-29

Cangialosi, Salvatore

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367185, G01V 118

Patent

active

046034072

ABSTRACT:
A rotational geophone is provided. This rotational geophone employs a coil mounted on a torsional wire in a static magnetic field to detect movement of the frame relative to the coil. This rotational geophone may also be combined with a velocity geophone to obtain seismic data representing shear waves traveling in a particular direction.

REFERENCES:
patent: 2390187 (1945-12-01), Sharpe
patent: 2637839 (1953-05-01), Piety
patent: 2927300 (1960-03-01), Smith
patent: 2942457 (1960-06-01), Sink

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