Underwater cable arrangements, internal devices for use in...
Underwater electroacoustic transducers
Underwater high energy acoustic communications device
Underwater low-frequency sound producer using a rare earth alloy
Underwater low-frequency ultrasonic wave transmitter
Underwater piezoelectric arrangement
Underwater piezoelectric arrangement
Underwater signaling device
Underwater signaling device
Underwater sound attenuator
Underwater sound generator
Underwater sound projector and underwater sound projection...
Underwater sound projector and underwater sound projection...
Underwater sound source
Underwater sound source with remote controlled actuator
Underwater sound source with timed actuator
Underwater surveillance system
Underwater target testing
Underwater transducer
Underwater transducer