Ultrasonic nondestructive test apparatus
US4492117A · kind A · utility
9Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1982 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Nov 5, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N29/024
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic transmitting element and an ultrasonic receiving element are arranged in a sample liquid in opposition to each other. Either the ultrasonic transmitting element or the ultrasonic receiving element is finely vibrated, and the difference between the velocities of sound in the sample liquid and another sample in the sample liquid is displayed on a CRT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.