Patent · US Expired

Night vision system utilizing a diode laser illumination module and a method related thereto

US6538820B2 · kind B2 · utility

47Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2002
Grant dateMar 25, 2003
Priority date
Expiry dateJul 1, 2022

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 an infrared light source 14. The system 10 further includes a thin sheet optical element 16 extending along a first axis 27 receiving light from the infrared light source 14 and reflecting the light generally in a first direction. Finally, the system 10 includes an infrared camera for receiving the light reflected off objects in the environment and generating a video signal responsive to the received light.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.