Reflective picture generator
US4967091A · kind A · utility
5Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1988 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | Nov 9, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/80
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for testing and/or calibrating a detector comprising a latent image generator, the generator having differing reflectance coefficients across its surface such that in use, when irradiated by collimated radiation the output intensity from some regions is relatively high and from other regions is relatively low.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.