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Cavitation energy meter (ppb, Inc.) - 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 - Unclassified/commercial mind control technology.

Sound velocity sensor AQSV-1500 - AQUAMATIC, Denmark

Thin Film Ultrasonic Transducer for Accurate Control of Fastener Clamp Load - NASA (USA)

Ultrasonic Blaster - sonic shockwaves

Ultrasonic Translator SK-207 (Transtronic) - Electronic kit. Hear car brakes, gas leaks or even bats.

Ultrasonic/Contact Stethoscope - 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.

See Also

Diagnostic Devices (29)