Measuring and testing – Vibration – By mechanical waves
Patent
1978-10-10
1980-07-15
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
73626, 367 7, 128660, G01N 2900
Patent
active
042122066
ABSTRACT:
The invention relates to ultrasonic systems for the visual display of a thin section of a body. The subject of the invention is a system wherein the multi-element scanning probe which picks up or transmits the ultrasonic energy cooperates with an array of elastic-surface-wave transducers and with a group of frequency converter circuits in order to constitute an ultrasonic lens. The invention is more particularly applicable to the non-destructive examination of bodies permeable to ultrasonic energy such as is practiced for example in medicine and when industrial goods are being checked.
REFERENCES:
patent: 3899767 (1975-08-01), Jones
patent: 3953825 (1976-04-01), Kino et al.
patent: 4006627 (1977-02-01), Bossaert
patent: 4099419 (1978-07-01), Kuroda et al.
Hartemann Pierre
Torguet Roger
"Thomson-CSF"
Kreitman Stephen A.
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