Television receivers; computer monitors; computers; notebook computers; tablet computers; smartphones; home theater systems comprising of television receivers, audio amplifiers, audio speakers; DVD players; optical disk players; eyeglasses; 3D glasses; cash registers; facsimile machines; automatic gauges; measures; electronic notice boards; telephones; cameras (photography); measuring apparatus; speed checking apparatus for vehicles; tachometers; apparatus and instruments for physics; inductors (electricity); lasers, not for medical purposes; optical goods; telephone wires; semi-conductors; integrated circuits; amplifiers; video screens; domestic remote controller; light conducting filaments (optical fibers); fire extinguishing apparatus; X-rays tubes not for medical purposes; protective goggles; electric door bells; battery chargers; slides (photography); personal digital assistant; MP3 players; television monitors; mobile phones