An illumination device for illuminating an object to be observed, by a machine vision camera or the like for example, with a continuous diffuse wide angle light which is supplied along the observation axis of the machine vision camera. The diffuser is mounted parallel to the observation axis but recessed...http://www.google.fr/patents/US5604550?utm_source=gb-gplus-shareBrevet US5604550 - Illumination device for indirectly illuminating an object with continuous diffuse light
Illumination device for indirectly illuminating an object with continuous ...
