Monitoring method and device by shadowscopy
US8138446B2 · kind B2 · utility
1Cited by
8References
12Claims
0Family size
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Key dates
| Filing date | Feb 21, 2005 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A monitoring device by laser shadowscopy, which comprises a light emitter (5) and receiver (6), mounted on an arm (8) oscillating at will around two joints (13, 14), in order to restore the image of the monitored profile more accurately.An important application relates to welding methods and especially in hollow beveled edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.