Mist instead of the membrane components

“The main component of the existing microphone is now diaphragm - a thin plate vibrating under the influence of fluctuations in air pressure, that is, the sound waves. Displacements of the membrane are converted into electrical signals. However, the curb weight and the elasticity of the membrane to a certain distortion in the recorded signal.
Schwartz proposes to use in As the membrane flux of water aerosol, through which the laser beam. oscillations water particles in the microscopic puff of mist, caused by sound waves, recorded laser-illuminated sensor.
At the peak of the sound wave drops of water close together and the transparency of the jet decreases. In areas of dilution, on the contrary, particles aerosol delay less light. In this and builds precision registration of sound vibrations. ”

24 September 2006 | , air, effects, membrane, pressure, wave

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