Measuring and testing – Vibration – By mechanical waves
Patent
1976-04-08
1978-05-09
Queisser, Richard C.
Measuring and testing
Vibration
By mechanical waves
G01N 2904
Patent
active
040880303
ABSTRACT:
In an apparatus for locating inhomogeneities in otherwise homogeneous bodies by the ultrasonic pulse-echo method an angle probe is used in connection with an acoustic signal emitter, adapted to produce an audible signal, a characteristic of which, e.g. the intensity, varies in a continuous manner with the amplitude of the reflected ultrasonic pulses.
REFERENCES:
patent: 3585851 (1971-06-01), Walther
patent: 3672210 (1972-06-01), Cressman et al.
patent: 3813926 (1974-06-01), Stubbeman
patent: 3962909 (1976-06-01), Lund
Iversen Sven E.
Lund Svend A.
Akademiet for de Tekniske Videnskaber, Svejsecentralen
Kreitman Stephen A.
Queisser Richard C.
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