Measuring and testing – Vibration – By mechanical waves
Patent
1998-06-18
2000-09-26
Kwok, Helen C.
Measuring and testing
Vibration
By mechanical waves
73633, 73641, G01N 2910, G01N 2904
Patent
active
061229679
ABSTRACT:
The present invention relates to an ultrasonic scanner system and method for the imaging of a part system, the scanner comprising: a probe assembly spaced apart from the surface of the part including at least two tracking signals for emitting radiation and a transmitter for emitting ultrasonic waves onto a surface in order to induce at least a portion of the waves to be reflected from the part, at least one detector for receiving the radiation wherein the detector is positioned to receive the radiation from the tracking signals, an analyzer for recognizing a three-dimensional location of the tracking signals based on the emitted radiation, a differential converter for generating an output signal representative of the waveform of the reflected waves, and a device such as a computer for relating said tracking signal location with the output signal and projecting an image of the resulting data. The scanner and method are particularly useful to acquire ultrasonic inspection data by scanning the probe over a complex part surface in an arbitrary scanning pattern.
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R.L. Watkin, et al., "Three Dimensional Reconstruction and Enhancement of Arbitrarily Oriented and Positioned 2D Medical Ultrasonic Images." Conference Proceedings: 1993 Canadian Conference on Electrical and Computer Engineering, vol. II, ed. V.K. Bhargara, IEEE, p. 1188-1195 (1993).
Caress Virginia B.
Gottlieb Paul A.
Kwok Helen C.
Moser William R.
The United States of America as represented by the United States
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