Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Reexamination Certificate
2006-05-05
2009-06-23
Pihulic, Dan (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
Reexamination Certificate
active
07551517
ABSTRACT:
A seismic sensor station includes a housing containing a fiber optic hydrophone and a fiber optic accelerometer that can both be made from a single length of optical fiber arranged inside the housing. The fiber optic accelerometer is arranged in a liquid/oil filled compartment of the housing for dampening of mechanical resonances in the accelerometer due to mechanical disturbances and pressure fluctuations.
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Berg Arne
Furuhaug Roar
Kringlebotn Jon Thomas
Nakstad Hilde
Ronnekleiv Erlend
Optoplan AS
Patterson & Sheridan L.L.P.
Pihulic Dan
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