Surface pit and mound detection and discrimination system and method
US5389794A · kind A · utility
47Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1992 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | Nov 25, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/8924
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A surface pit and mound detection and discrimination system including a device for scanning a beam of radiation over a surface, and a mechanism for detecting a local slope on the surface for differentiating between whether the beam of radiation is scanning a pit or a mound on the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.