Electroacoustic unit for generating high sonic and ultra-sonic intensities in gases and interphases
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United States of America Patent
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Mar 29, 1994
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app pub date -
Jan 19, 1993
filing date -
Oct 6, 1989
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Abstract
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 device for the controlled generation of the electric power signal. The unit is capable of generating acoustic fields of very high intensity with a predetermined configuration. Particularly it is capable of generating with a same transducer system two distinct configurations of the acoustic field. Prototypes for generating directional and focused fields have been developed.
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