Holographic recording instrument for structural integrity verification and other applications
US4084427A · kind A · utility
8Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1976 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Oct 29, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2222/33
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved holographic recording instrument for recording on a holographic recording medium two successive holograms of the structure under differing stress conditions to produce a holographic interferogram containing information defining a deformation fringe pattern representing the deformations in the structure resulting from the change in stress conditions. A holographic recording unit for the instrument and for general holographic recording use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.