ultrasonic

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ultrasonic

of, concerned with, or producing waves with the same nature as sound waves but frequencies above audio frequencies
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ultrasonic

[¦əl·trə′sän·ik]
(acoustics)
Pertaining to signals, equipment, or phenomena involving frequencies just above the range of human hearing, hence above about 20,000 hertz. Also known as supersonic (deprecated usage).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

ultrasonic

Ultrasonic refers to sound that is beyond the audible hearing range; typically above 20 kHz (20,000 Hz). In medicine, ultrasound machines emit ultrasonic waves that echo back an image of a fetus or internal organ. They are also used to administer therapy to various parts of the body. Contrast with infrasonic. See ultrasonic welding and saser.


Kardia Ultrasonic EKG Data Transfer
By placing fingers on this pad for 30 seconds, the body's electrical heart rhythm is converted to ultrasonic waves picked up by the Kardia app running in a smartphone nearby. The finger pad has no battery.
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References in periodicals archive ?
The observed narrow size dispersion of the NPs in Figures 3(b) and 3(d) indicates the remarkably high efficiency of treatment with a powerful ultrasonic probe.
"This is a process whereby I insert a small ultrasonic probe into the capsular bag that surrounds the cloudy lens (cataract) inside the eye.
The sunken ship will be located by the coast guard survey ship Kaiyo towing an ultrasonic probe.
Each product consists of two parts, an ultrasonic probe and a main diagnostic unit.
Now bosses at the plant, which makes the Vauxhall Astra, have decided to buy Krautkramer's device which uses an ultrasonic probe linked into a computer to provide highly accurate testing facilities for the motor industry.
A new ultrasonic probe designed for detecting hidden cracks, corrosion, and delamination in the skin structures of aging aircraft has been developed by engineers at Pennsylvania State University in University Park, Pa.
A third measured the size of the seal's spleen by passing an ultrasonic probe over the animal's body,
Another approach to put the ultrasonic probe in contact with the stone is through the urethra, bladder and up the ureter into the kidney.
The most significant influence has the frequency bandwidth of the used ultrasonic probe, hereby factor bandwidth.
The maximum output power and frequency of the ultrasonic probe are 360 W and 15 kHz, respectively.
Ultrasonic probe systems designed for use in continuous applications (fabric/film welding), automated assembly systems when welding either large parts, multiple simultaneous welds, or welds at unusual angles.

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