Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
Reexamination Certificate
2006-09-27
2008-10-28
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Signal transducers
Receivers
C367S178000, C367S182000, C367S185000, C073S649000
Reexamination Certificate
active
07443766
ABSTRACT:
A sensor assembly includes a seismic sensor element and a shell. The shell at least partially surrounds the sensor element to shield the sensor element from a magnetic field that is generated outside of the shell.
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patent: 3911388 (1975-10-01), Crump et al.
patent: 3924261 (1975-12-01), Kardashian
patent: 4479389 (1984-10-01), Anderson et al.
patent: 5161414 (1992-11-01), Rubbelke
Mu-Metal Information From Answers.
Grimes Harvey Ray
Maissant Francis
Griffin Jeffrey E.
Lobo Ian J
Pruner, Jr. Fred G.
WesternGeco L.L.C.
Ye Liangang (Mark)
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