Measuring and testing – Vibration – By mechanical waves
Patent
1997-11-06
2000-01-04
Williams, Hezron
Measuring and testing
Vibration
By mechanical waves
73626, 73628, 73629, G01N 2906, G01N 2910
Patent
active
060097558
ABSTRACT:
An ultrasonic transceiver has a function of displaying a modified B scope. The ultrasonic transceiver transmits ultrasonics to an inner part of a test object at an angle of inclination to a surface of the test object, receives echoes from discontinuity in the test object, and displays, based on an outcome of the reception, an image which shows a state of transmission of the ultrasonics in the test object. When displaying the image, origins of time axes on the screen are shifted through a coordinate transformation of the outcome of reception to avoid the difference in lateral positions of images of single discontinuity. Consequently, it is possible to accurately discern the location, size, configuration, and posture of the discontinuity when the outcome of reception is displayed in a rectangular display window.
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Kenji Okubo, "4.2 Angle Beam Technique," Ultrasonic Testing (New revised edition), NDC 501.55, Japan Society for the Promotion of Science, 19.sup.th committee on Steel Making, The Nikkan Kogyo Shinbun Ltd., Jul. 30, 1974 New revised edition; Published; Jun. 1, 1984 New revised edition, Sicth printing, Published. (English language translation, pp. 1-7 attached).
Kameyama Shumpei
Kimura Tomonori
Koike Mitsuhiro
Manome Yuuichi
Wadaka Shusou
Miller Rose M.
Mitsubishi Denki & Kabushiki Kaisha
Williams Hezron
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