Illuminator for inspecting substantially flat surfaces
US7215417B2 · kind B2 · utility
3Cited by
72References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2005 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Jul 30, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/956
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Illuminating apparatus for illuminating a workpiece during visual inspection thereof, including a first light source emitting light over a continuous angle of illumination toward the workpiece, blocking element arranged to block light over a portion of the continuous angle such that two portions of the illumination, separated by a blocked angle, illuminate the workpiece from the source, and a second light source arranged to illuminate the workpiece over the blocked angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.