Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
Patent
1988-10-21
1990-01-09
Steinberger, Brian S.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Receivers
181102, 367911, G01V 100
Patent
active
048932906
ABSTRACT:
A transducer assembly for use along the surface of the earth or in a borehole to detect seismic signals along mutually orthogonal axes. The transducer assembly includes at least two geophones or accelerometers gimbally-mounted within a housing such that when the housing is oriented at substantially any angle, the enclosed geophones remain in their respective planes with respect to gravity and their axes of sensitivity to the seismic signals remain orthogonal to each other.
REFERENCES:
patent: 3283293 (1966-11-01), Pavey, Jr. et al.
patent: 4021774 (1977-05-01), Asmundsson et al.
patent: 4462094 (1984-07-01), Bowden et al.
patent: 4525819 (1985-06-01), Hefer
patent: 4701890 (1987-10-01), Ohmer et al.
Litton Resources System Brochure, LRS-1023, Thaxial Borehole Geophone, 1984.
McNeel William O.
Sackett James A.
Soliz, III Julian
Wood Joe N.
Kane Barry C.
Steinberger Brian S.
Western Atlas International Inc.
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