Mobile device for generating acoustic shear waves

Details Mobile device for generating acoustic shear waves Mobile device for generating acoustic shear waves

1979-07-05

1981-10-27

Birmiel, Howard A.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

181114, 181401, 367 75, G01V 1047

Patent

active

042968283

ABSTRACT:
A mobile device is used which includes a target-member adapted for coupling to the earth and a means for striking the target- member so as to generate acoustic shear waves.
The target-member is coupled to the earth through a deformable coupling member secured to the rigid frame of the target- member, the coupling being enhanced by the combination of a suction means and a network of channels arranged on the face of the coupling member which is in contact with the earth, whereby a partial vacuum is created between the coupling member and the earth.

REFERENCES:
patent: 1577608 (1926-03-01), Brewer
patent: 2910134 (1959-10-01), Crawford et al.
patent: 3185250 (1965-05-01), Glazier
patent: 3677951 (1972-07-01), Alles
patent: 4020919 (1977-05-01), Broding
patent: 4050540 (1977-09-01), Cholet et al.
patent: 4118994 (1978-10-01), Layotte et al.

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