Geophone

Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers

Patent

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Details

367182, 310 15, H04R 1100

Patent

active

045970700

ABSTRACT:
An improved geophone for seismic prospecting is disclosed which features plural magnets of varying mass oscillating with varying frequencies within one or plural coils whereby the frequency response of the geophone may be optimized.

REFERENCES:
patent: 3100292 (1963-08-01), Warner, Jr. et al.
patent: 3582874 (1969-03-01), Fedoseenko et al.
patent: 3835427 (1974-09-01), Breitbach
patent: 4517514 (1985-05-01), Howell

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