Automatic direction control for omni-directional shear wave sour

Details Automatic direction control for omni-directional shear wave sour Automatic direction control for omni-directional shear wave sour

1990-10-25

1991-10-29

Cangialosi, Salvatore

Boots, shoes, and leggings

367 75, G01V 130

Patent

active

050620614

ABSTRACT:
A system to control the orientation of a seismic source includes a signal processor that receives an input signal from a compass to provide an input orientation for the vibrator control electronics of an omnidirectional shear wave source. By orienting the signal generation in this manner, the need to orient the truck is obviated without negatively impacting the quality of the data. The signal processor can be eliminated if the compass output signal is already in a form that can be used by the vibrator control electronics.

REFERENCES:
patent: 3746842 (1973-07-01), Fowler
patent: 3772503 (1973-11-01), Fowler
patent: 4179741 (1979-12-01), Rossani
patent: 4564909 (1986-01-01), Kramer
patent: 4803666 (1989-02-01), Alford
patent: 4903244 (1990-02-01), Alford
patent: 4922472 (1990-05-01), Cole et al.

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