Measuring and testing – Vibration – By mechanical waves
Patent
1991-08-12
1993-10-19
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
12866006, G01N 2922
Patent
active
052535304
ABSTRACT:
A method and related system for use in producing a representation of acoustical impedances of body materials, such as for use in ultrasonic imaging of a body for diagnostic purposes. In the method, at least one Letcher Wavelet (L.sup.M) of ultrasonic energy is introduced into the body to be diagnosed. The reflections of the ultrasonic energy are received by a transducer and sent to a CPU for transformation. The received reflections are transformed, using a technique cooperative with the characteristics of the L.sup.M wavelet, to produce a representation of the acoustical impedances from the body materials. Such representation can be in the form of data, graphical or an image, such as on a CRT. Further, the representation can be in the form of the density of the body materials or the velocity of sound through the body materials.
REFERENCES:
patent: 5000-83 (1991-03-01), Bonnefous
patent: 4074564 (1978-02-01), Anderson
patent: 4121468 (1978-10-01), Glover et al.
patent: 4676250 (1987-06-01), Barnes
patent: 4913157 (1990-04-01), Pratt, Jr. et al.
patent: 4941474 (1990-07-01), Pratt, Jr.
"Ultrasonic Imaging in Solids" by M. G. Maginness and Professor L. Kay (Feb. 1971) The Radio and Electronic Engineer, vol. 41, No. 2 (pp. 91-93).
Finley Rose M
Williams Hezron E.
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