Device for producing mechanical waves

Details Device for producing mechanical waves Device for producing mechanical waves

1974-10-01

1977-03-15

Moskowitz, Nelson

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181114, 181119, 340 17R, G01V 114

Patent

active

040119246

ABSTRACT:
A device for generating sound waves for use in shallow terristrial seismology incorporates a percussion mass, a motor for driving the percussion mass to strike the ground for intermittent contact and adjustable to vary the frequency of impact, and a sensing element to provide a signal indicative of at least the instant of impact and preferably also the deceleration amplitude of impact.

REFERENCES:
patent: 2675086 (1954-04-01), Clewell
patent: 3130809 (1964-04-01), Flatow
patent: 3209854 (1965-10-01), Williams
patent: 3288244 (1966-11-01), Kirby
patent: 3363720 (1968-01-01), Mifsud et al.
patent: 3416632 (1968-12-01), Bodine et al.
patent: 3884324 (1975-05-01), Hamilton et al.
Barbier, "Sosie, A New Method", 11/12/70, pp. 1-23, 40th Annual International S.E.G.

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