Method and means for ultrasonic inspection
US4307612A · kind A · utility
12Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1979 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Oct 19, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2636
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Ultrasonic inspection of a structure such as steel tubing is enhanced by moving the ultrasonic wave transmitter and receiver through the pipe and periodically injecting an ultrasonic pulse into the tube. Reflected waves are received during a sample period after each pulse injection. By proper selection of linear displacement between pulses and the sample time interval, the time reference of received signals can be adjusted whereby signals reflected from only one direction are coherently added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.