Geophone spring

Details Geophone spring Geophone spring

1991-05-17

1992-07-28

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

367183, 2671413, H04R 900

Patent

active

051345935

ABSTRACT:
A spring for a seismometer for suspending one body relative to a fixed reference point within a housing including an outer ring and an inner ring interconnected by a plurality of arcuate legs. Each leg has an inner and an outer edge which may be defined by a plurality of arcs of different radii and distinct centers. The plurality of arcs further divide each leg into an inner section and an outer section of approximately equal length, and a middle section of substantially constant width and thickness. The spring provides an improved spurious resonance over the prior art springs as well as having an improved useful life.

REFERENCES:
patent: 2311416 (1943-02-01), Salb et al.
patent: 2348225 (1944-05-01), Petty
patent: 2748370 (1956-05-01), Baltosser
patent: 3577184 (1971-05-01), McNeel
patent: 3738445 (1973-06-01), Wilson et al.
patent: 4238845 (1980-12-01), Haggard et al.
patent: 4323994 (1982-04-01), Cougler
patent: 4458344 (1984-07-01), Coogler
patent: 4623991 (1986-11-01), Vitringa
patent: 4685094 (1987-08-01), Vitringa

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