Ultrasonic inspecting apparatus
US4571999A · kind A · utility
11Cited by
3References
2Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 20, 1984 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Apr 20, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/048
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In an ultrasonic inspecting apparatus, propagation time is measured between a transmitting point of an ultrasonic wave from outer circumference of a subject material and a receiving point of the ultrasonic wave at another point on the outer circumference spaced apart from the transmitting point by a predetermined angle, and a predetermined sequence of operations is performed with the measured propagation times and the known constants, thereby internal information concerning the material, including location and shape of a defect existing therein, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.