GEOPHONE Russian patent published in 1995 - IPC

Abstract RU 2047188 C1

FIELD: mechanical engineering. SUBSTANCE: geophone has case, base with nonmagnetic hollow cylinder, inertial mass in the form of permanent magnet, lateral locating arm, ferromagnetic cylinder functioning as lateral magnetic stretching, ferromagnetic barrels, sensor of vertical movement of inertial mass installed in case. Adjustment of inherent frequency of geophone is carried out by vertical movement of barrels relative to nonmagnetic cylinder. EFFECT: improved authenticity of measurement of vibration parameters. 1 dwg

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RU 2 047 188 C1

Authors

Petrov Jurij Pavlovich

Dates

1995-10-27—Published

1992-03-19—Filed