TV image improvement chips; universal serial bus (USB) drives; portable battery chargers for mobile phones; electronic albums; digital picture frames; external hard disk drives for computer; speakers for home theater; integrated circuits; terminals for electronic toll collection; terminals for electronic transactions installed in vehicles; cameras for monitoring network system; digital signages; thermal printers; digital color printers; laser printers; ink jet printers; color printers; printers for use with computers; solar batteries; network monitors; software for education purposes; image data files which are receivable and storable via Internet; electronic publications, downloadable