A light source for machine vision applications includes a housing having a thermally conductive base plate which supports an array of high intensity LEDs. The LEDs are fitted with secondary lenses which are aimed such that the light beams from the LEDs illuminate fixed targets having a predetermined...http://www.google.se/patents/US7775679?utm_source=gb-gplus-sharePatent US7775679 - High intensity light source for a machine vision system and method of making same
