Measuring and testing – Vibration – By mechanical waves
Patent
1995-07-21
1997-04-22
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
73613, G01N 2906
Patent
active
056231008
ABSTRACT:
In an ultrasonic inspection and imaging instrument, a pulse generator and a burst wave generator are provided in association with the activation of an ultrasonic probe by the pulse generator and in response to a measurement value obtained from a signal reception circuit portion. A first gate position is obtained with regard to an inspection portion in a sample, and then a second gate position for a burst wave measurement is set by correcting the first gate position. The burst wave measurement is performed by activating the burst wave generator.
REFERENCES:
patent: 3744301 (1973-07-01), Arave
patent: 3780572 (1973-12-01), Rocha
patent: 4106346 (1978-08-01), Matzuk
patent: 4137776 (1979-02-01), Rudis et al.
patent: 4676105 (1987-06-01), Matzuk
patent: 4700711 (1987-10-01), Carlson
Arima Yukio
Kimura Toshihiro
Kunitomo Yuichi
Nishiduka Takeshi
Shimamura Tadatoshi
Ashraf Nashmiya
Hitachi Construction Machinery Co. Ltd.
Williams Hezron E.
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