Multi-mode pipe projector
Multibeam lens/filter combination for sonar sensor
Multilayer hard bias films for longitudinal biasing in magnetore
Multiple beam lens transducer for sonar systems
Multiple beam lens transducer with collimator for sonar systems
Multiple frequency range hydraulic actuator
Multiple frequency steerable acoustic transducer
Multiple pressure gradient sensor
Multiple segment fiber optic hydrophone
Multiple segment flextensional transducer shell
Multiply resonant wideband transducer apparatus
Multiport underwater sound transducer
Multivibrator waveform monitoring system
Multivibrator waveform monitoring system
Narrow band acoustic source
Naval-hull mounted sonar for naval ship
Noise making device
Noise reducing screen devices for in-flow pressure sensors
Noise-suppressing hydrophones
Non-kinking oil-filled acoustic sensor stave