Goggles; Light emitting diodes (LED); Video screens; Stage lighting regulators; Fluorescent screens; Screens for photoengraving; Teleprompters; Optical communications instruments; Light dimmers (regulators) (electric); Traffic light apparatus (signalling devices); Light-emitting electronic pointers; Electronic notice boards; Beacons, luminous; Naval signalling apparatus; Road signs, luminous or mechanical; Signs, luminous; Quantity indicators; Digital signs; Traffic cones; Transmitters of electronic signals