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Thermoacoustic Refrigerator
Peter Hoekje, Assistant Professor, Department of Physics, UNI
Sound velocity sensor AQSV-1500
AQUAMATIC, Denmark
Method and device for manufacturing hot dogs using high power ultrasound
United States Patent: 6,146,674
An On-loom, Real-time, Noncontact Fabric Defect Detection
Argonne National Laboratory
The Audio Spotlight (MIT Media Laboratory)
The Audio Spotlight (TM) uses subtle nonlinear properties of the air to create an extremely narrow sound beam. This beam ofsound behaves just like a beam of light - 'shining' it at a specific listener allows only that person to hear it, and projecting it against a surface creates an acoustic 'image' at the point of reflection. It is the first device that provides total control over both the location and distribution of high quality sound, something impossible to achieve with traditional loudspeakers.
A normal glass pane?
Holographic ultrasonic touch screen and graphic tablett with fingerprint recognition.
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.
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.
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