Measuring and testing – Vibration – By mechanical waves
Patent
1977-03-07
1979-04-03
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
73615, G01N 2904
Patent
active
041470656
ABSTRACT:
Ultrasonic echo signals from the rear wall boundary are used to track looking windows for similar signals during a subsequent test cycle as well as for detection of flaw echos, with emphasis on a distinction between end of flaw detection and beginning first rear wall echo looking windows.
REFERENCES:
patent: 3942358 (1976-03-01), Pies
patent: 3986389 (1976-10-01), Mesina et al.
Forstermann Ulrich
Janssen Klaus-Uwe
Lather Dieter
Moller Peter
Ries Karl
Karl Deutsch Pruf-und Messgeratebau
Kreitman Stephen A.
Mannesmann AG.
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