Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
Reexamination Certificate
2008-04-01
2008-04-01
Hellner, Mark (Department: 3663)
Communications, electrical: acoustic wave systems and devices
Signal transducers
Receivers
Reexamination Certificate
active
07352654
ABSTRACT:
The present invention provides a coupling device (300). The coupling device includes a collar (315, 405) defining an opening therethrough to receive a seismic sensor (305) such that the collar (315, 405) permits rotation about the seismic sensor (305) and at least three extensions (320, 410) from the collar, the extensions (320, 410) being capable of rotating with the collar (315, 405) such that any two of them may couple to the ground.
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Goujon Nicolas
Naes Johan Fredrik
Ranheim Lars
Voldsbekk Rune
Griffin Jeffrey E.
Hellner Mark
Pyle Jeffrey A.
WesternGeco L.L.C.
Ye Liangang (Mark)
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