Clamped acoustic elastic wave generator
Electrostatic transducer
Frequency controlled motor driven low frequency sound generator
High-volume acoustic transducer
Method and apparatus for the generation of low frequency sound
Optical device for monitoring critical speeds of a rotating memb
Perforated acoustic transport member
Protection by underwater sound waves
Self-driven underwater noisemaking device
Solid propellant sound generator for coagulation of aerosols
Stepped acoustic transport member
Ultrasonic device
Ultrasonic horn
Ultrasonic horn assembly