For the video recording of a field illuminated by a lamp, especially a surgical lamp, where at least one light beam for illuminating the field emerges from a light exit area of a lamp housing in the direction of a predetermined housing axis, the optical axis of a video camera mounted with freedom to...http://www.google.fr/patents/US7098956?utm_source=gb-gplus-shareBrevet US7098956 - Process and device for the video recording of an illuminated field
Process and device for the video recording of an illuminated field