Pressure compensation device for an immersed volume of gas, in p
Pressure equalizing fluidborne sound projector
Pressure sensitive line transducer
Pressure tolerant fiber optic hydrophone
Pressure wave fiber optic transducer cable
Pressure-compensated acceleration-insensitive hydrophone
Pressure-compensated optical acoustic sensor
Process and device to reduce the resonant frequency of the cavit
Process and electro-acoustic transducers for transmitting low-fr
Process and transducer for emitting wide band and low frequency
Process and transducers submerged in a fluid for emitting low fr
Process for producing the output surface of a focused ultrasonic
Process to increase the power of the low frequency electro acous
Pulse sampled optical fiber hydrophone array (U)
Pulsed combustion acoustic wave generator
Push-pull tonpilz transducer
Pyro-acoustic generator for protecting submarines and...
Quiet geophysical construction practices for reduced diameter st
Rare earth flextensional transducer
Ratchet operated kick-up bracket