Measuring and testing – Vibration – By mechanical waves
Patent
1978-10-06
1980-06-10
Ciarlante, Anthony V.
Measuring and testing
Vibration
By mechanical waves
73614, 73620, 73626, 128660, G01N 2904
Patent
active
042066530
ABSTRACT:
In an ultrasonic investigating apparatus a transducer can receive reflections from points in the body for which the position in one direction is relatively well known as a result of accurate range gating but for which the position in another direction is relatively less known in view of the relatively wide ultrasound beams used. Thus the reflections are only known as originating from lines in the body. These line integrals of reflection of ultrasonic energy are processed by methods appropriate to line integrals in general, as known for line integrals of X-ray absorption for example, to more accurately position the reflecting points in the body. A propagation velocity distribution can also be determined for the body to further improve the accuracy.
REFERENCES:
patent: 3673394 (1972-06-01), Hartmann
patent: 3778614 (1973-12-01), Hounsfield
patent: 3789833 (1974-02-01), Bom
patent: 3885224 (1975-05-01), Klahr
patent: 3924129 (1975-12-01), LeMay
patent: 3939696 (1976-02-01), Kossoff
patent: 4137775 (1979-02-01), LeMay
Ciarlante Anthony V.
E M I Limited
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