Flashlights are handy around the house, but what if you want a stealthier approach to illuminating the night? Infrared LED flashlights can be acquired at relatively low cost, but where’s the fun ...

Near infrared illuminators may project near infrared light in a relatively narrow field of view (e.g., a 30-degree cone). The techniques described herein may provide improvements over prior ...

However, the better option is to install a separate light source. Independent illuminators are the premier option today based on their coverage and flexibility. Whereas the built-in, fixed infrared ...