POWER 4DV

projectors and projecting apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; optical and optical processing apparatus and instruments; apparatus and instruments for capture of electronic images; apparatus and instruments for the storage, processing, manipulation, recording, display, transmission and reception of images; visual display screens, apparatus and instruments; screens for reproduction of sound or visual images; semi-conductor light valves, apparatus and instruments; lighting apparatus and instruments; lighting systems; lighting-control apparatus and instruments; lights; reflectors; lamps; lenses; dimmers, filters and filaments for lighting