Night vision system utilizing an illumination module and a method related thereto
US6809870B2 · kind B2 · utility
5Cited by
13References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2003 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Apr 17, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/56
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A night vision system 10 is provided for detecting objects at relatively low visible light levels. The system 10 includes light source 14. The system 10 further includes a thin sheet optical element 16 extending along a first axis 27 receiving light from the light source 14 and reflecting the light generally in a first direction. Finally, the system 10 includes a detector for receiving the light reflected off objects in the environment and generating a signal responsive to the received light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.