A display system (800) combining light from two sources into a single light beam that is modulated by a light valve to form an image. Light from a first light source (802) is anamorphically focused along a first light path by a first lens group (804) and a second lens group (806). The first and second...http://www.google.com/patents/US20020008972?utm_source=gb-gplus-sharePatent US20020008972 - Combining two lamps for use with a rod integrator projection system
