Engine and technique for generating an acoustic signal
Enhanced sensitivity pressure tolerant fiber optic hydrophone
Environmentally sealed acoustic transducer coupling
Expandable sensor array
Expandable sonar array structure
Expendable sound source
Expendable underwater acoustic projector
Extendable hull-mounted sonar system
Extended, flexible, spatially weighted fiber optic interferometr
Extension method of drillstring component assembly
External bubble-suppression method and apparatus
Fan beam transducer assembly
Fastening means for seismic equipment
Ferrofluid transducer
Ferrofluid transducer
Fiber optic accelerometer and method of measuring inertial force
Fiber optic component assembly module
Fiber optic hydrophone
Fiber Optic hydrophone array
Fiber optic hydrophone for use as an underwater electroacoustic