Telecommunication devices and apparatus namely, telephone apparatus, facsimile machines, and internet radios; personal stereos; stereo amplifiers; stereo receivers; radio signal tuners; stereo tuners; digital broadcasting receiving tuners; television receivers; audio receivers and video receivers; digital audio network receivers and digital video network receivers; digital audio network players and digital video network players; optical disc players and optical disc recorders; audio cassette players; audio cassette recorders; video cassette players; video cassette recorders; portable digital audio and video players; cases for portable digital audio and video players; stands for portable audio and video players; memory card recorders; record players; phono equalizers; car stereos; video recorders, video disc players, audio recorders, and digital audio players with built-in hard disk drives; video projectors; video projector screens; video display apparatus; audio and video signal analog-to-digital converter; audio and video signal digital-to-analog converter; loudspeakers; megaphones; audio speakers; cabinets for loudspeakers; mounting brackets specially adapted for setting up speakers; mounting stands specially adapted for audio speakers; headphones; earphones; horns for loudspeakers; loudspeaker systems; microphones; audio and video signal processing apparatus, namely, digital signal processors; portable radio communication machines and apparatus, namely, portable radio transmitters and portable wireless data transmitters; portable telephones; sound and video recording carriers, namely, blank magnetic data carriers, blank optical data carriers, blank optical data carriers for CDs, blank optical data carriers for DVDs, blank optical data carriers for blue-laser-readable discs; personal digital assistants; cabinets adapted for audio and video apparatus and computers; remote controllers and remote control apparatus for use with audio and video apparatus and computers; digital radio transceivers; computers and computer peripheral devices; portable computers; laptop computers; interfaces for computers; computer keyboards; pointing devices for computers, namely, computer mice; monitors for computers; sound circuit boards for computers; video circuit boards for computers; speakers for computers; radio tuners for computers; optical disk drives; hard disk drives; semi-conductor memories units; blank USB flash drives; blank flash memory cards; digital audio and video network servers; computer software for recording, transmission, reproduction, receiving, downloading, storage and/or editing of sound or images; computer software for transmitting and receiving e-mails and other information; routers for telecommunication and computer networks; computer network hubs; modems; printers; phonograph records; downloadable music files; sound recorded magnetic cards, sheets, tapes, and optical discs featuring music; sound recorded magnetic cards, sheets, tapes, and optical discs featuring movies; sound recorded magnetic cards, sheets, tapes, and optical discs featuring cartoons; sound recorded magnetic cards, sheets, tapes, and optical discs featuring documentaries; video recorded magnetic cards, sheets, tapes, and optical discs featuring music; video recorded magnetic cards, sheets, tapes, and optical discs featuring movies; video recorded magnetic cards, sheets, tapes, and optical discs featuring cartoons; video recorded magnetic cards, sheets, tapes, and optical discs featuring documentaries; exposed cinematographic films; exposed slide film; slide film mounts; downloadable video files featuring music; downloadable video files featuring movies featuring documentaries, children's movies, action movies, environmental movies, and animated movies; downloadable video files featuring cartoons; downloadable video files featuring documentaries; recorded video discs and video tapes featuring music; recorded video discs and video tapes featuring movies; recorded video discs and video tapes featuring cartoons; recorded video discs and video tapes featuring documentaries; power supply connectors and adaptors for use with electronic devices; batteries for computers; cables for use with audio and video apparatus and computers; loudspeakers with built-in amplifiers; karaoke machines; rotary converters; batteries, dry cells, and wet cells; solar batteries; AC/DC converters