Telephone sets; wireless telephone sets; portable communication apparatus namely handsets, walkie-talkies, satellite telephones, personal digital assistants and portable multimedia players; mobile phones; MPEG audio layer-3 (MP3) players; television receivers; television remote controllers; portable photographic printing apparatus; encoded electronic chip cards for improvement of television image quality; universal serial bus (USB) drives; digital media broadcasting (DMB) players; headsets for mobile phones; portable chargers for mobile phone batteries and digital camera batteries; electronic photo albums; digital picture frames for displaying digital pictures, video clips and music; monitors for computers; lap top computers; computers; digital versatile disc (DVD) players; portable hard disk drives; apparatus for recording, transmission or reproduction of sound or images for use in telecommunications; apparatus for recording, transmission or reproduction of sound or images; electric audio and visual apparatus and instruments; stereos; computer application software for mobile phones; computer application software for televisions; computer application software for personal computer monitors; digital versatile disc (DVD) players for home theaters; audio speakers for home theaters; audio-video (AV) receivers for home theaters; multimedia projectors for home theaters; audio receivers; transponders, namely, electronic terminals equipped in vehicles for electronic commercial transactions; closed-circuit television (CCTV) cameras; network monitoring cameras for surveillance; digital signage; convertible computers; tablet computers