Unbalanced fiber optic Michelson interferometer as an optical pi
Undersea acoustic antenna with surface sensor
Underwater acoustic devices
Underwater acoustic generator using pulse engine and gas...
Underwater acoustic impulse source
Underwater acoustic intensity probe
Underwater acoustic projector
Underwater acoustic transmitter for large submersion
Underwater acoustic wave transmitting and receiving unit
Underwater acoustic waveguide transducer for deep ocean depths
Underwater acoustical transducer
Underwater audible signalling device
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