Device and method for acquiring digital color-infrared photographs for monitoring vegetation
US7911517B1 · kind B1 · utility
45Cited by
3References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Feb 4, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/71
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A charge-coupled-device (CCD) camera system for detecting near-infrared (NIR) wavelengths, involving (a) a color CCD camera having a multitude of channels including red and near-infrared responsive channels, green responsive channels, and blue responsive channels, and (b) filter means which allow near-infrared light to pass and which block red light; wherein the CCD camera system does not include filter means which block near-infrared light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.