Latest articles on Constant Light technology 
Derwent Launches Intelligent IR Illuminator for CCTV night-time surveillance(09/10/2007)
Derwent has announced the launch of AEGIS, an intelligent IR illuminators for CCTV night-time surveillance. This innovation solves a long standing problem common with all LED based IR illuminators, the degradation of LEDs over time. LED degradation results in poor infrared performance, grainy snowy images and reduced illumination range, in fact, this can be as much as 20% the specified range in as little as six months. To combat this Derwent engineers have developed Constant Light™ techno... [more]
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