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  Science > Technology > Acoustics, Ultrasound and Vibration > Ultrasound > Devices   Go to Directory Home  

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Cavitation energy meter (ppb, Inc.) http://www.megasonics.com/
Meters energy and frequency in ultrasonic and megasonic cleaning tanks used in the semiconductor, wafer, disk drive, flat-panel display, electronics and parts precision cleaning industries.
Parametric Difference Waves for Low Frequency Acoustic Propagation http://www.raven1.net/uncom.htm#AERIA
Unclassified/commercial mind control technology.
Sound velocity sensor AQSV-1500 http://www.aquamatic.dk/AQSV1.htm
AQUAMATIC, Denmark
Thin Film Ultrasonic Transducer for Accurate Control of Fastener Clamp Load http://sbir.gsfc.nasa.gov/SBIR/successes/ss/089text.html
NASA (USA)
Ultrasonic Blaster http://www.amazing1.com/ultra.htm
sonic shockwaves
Ultrasonic Translator SK-207 (Transtronic) http://www.xtronics.com/Kits/SK-207.htm
Electronic kit. Hear car brakes, gas leaks or even bats.
Ultrasonic/Contact Stethoscope http://www.tscm.com/mlk2047.html
The 2047U/C combines the features of a standard electronic stethoscope - with those of an ultrasonic (sounds higher in frequency than the ear can hear) detector.

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