An image projection lighting device is disclosed comprising a base housing, a yoke, and a lamp housing. The base housing may include or have located therein, a processing system and a communications port. The lamp housing may include or have located therein, a video projector, an antireflective aperture,...http://www.google.fr/patents/US7048383?utm_source=gb-gplus-shareBrevet US7048383 - Theatrical fog particle protection system for image projection lighting devices
Theatrical fog particle protection system for image projection lighting devices
