Decision feedback equalization pre-processor with turbo...
Delta-shaped geophone spring
Device forming a snorkel mouthpiece or diving regulator
Diver guidance method and system
Diver mask underwater imaging system
Diving suit and environmental detecting system
Electrical cable marker
Electrical conductor detecting device
Electro-acoustic device for the underwater signalling and identi
Electronic diving apparatus
Expenable/recoverable voice and data communications system buoy
Expendable device for measurement of sound velocity profile
Feedforward neural network system for the detection and characte
Funnel construction for a dipping sonar
Guided underwater object
Helium-speech communication
High range rate signaling
Hydroacoustic communications system robust to multipath
Hydroacoustic ranging system
In-flight hydrophone deployment system for underwater vehicles