Camera lens contamination detection and indication system and method
US6940554B2 · kind B2 · utility
36Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Jan 29, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N17/002
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for detecting contamination of a Camera lens are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.