New electroacoustic unit for efficient generation of high sonic and ultrasonic intensities in gas media and in interphases (gas-solid, gas-liquid.) Said unit is comprised of an electromechanical transducer system of which the radiating element is a plate (3) having a discontinuous profile and an electronic...http://www.google.es/patents/US5299175?utm_source=gb-gplus-sharePatente US5299175 - Electroacoustic unit for generating high sonic and ultra-sonic intensities in gases and interphases
Electroacoustic unit for generating high sonic and ultra-sonic intensities ...
