Telecommunication apparatus, namely, telephones, mobile phones, smart phones; facsimile machines; internet radios; stereo amplifiers; stereo receivers; radio signal tuners; stereo tuners; digital broadcasting receiving tuners; television receivers; audio and video receivers; digital audio and video network receivers; digital audio and video network players; optical disc players and 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; charger stands for portable audio and video players; apparatus for reproducing and recording of audio and video memory cards; record players; phono equalizers; car stereos; video recorders, video players, audio recorders, and audio players with built-in hard disk drives; video projectors; video projector screens; video display apparatus, namely, monitors, plasma displays, liquid crystal displays (LCD), and cathode ray tube displays (CRT); audio and video signal analog-to-digital converter; audio and video signal digital-to-analog converter; loudspeakers; megaphones; audio speakers; cabinets for loudspeakers; speaker mounting stands; speaker mounting brackets; headphones; earphones; horns for loudspeakers; loud speaker systems; microphones; audio and video signal processing apparatus; portable radio communication machines and apparatus, namely, portable radio transmitters and portable wireless data transmitters; portable telephones; 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-discs; sound and video recording carriers; 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; loudspeakers with built-in amplifiers; karaoke machines; computers and computer peripheral devices, portable computers, laptop computers, interfaces for computers, computer keyboards, pointing devices for computers, 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, USB (universal serial bus) hardware, 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, computer software for recording, transmission, reproduction, receiving, downloading, storage and/or editing of sound or images, routers for telecommunication and computer network, communication hubs and computer network hubs, modems, printers; cameras; tilting heads for cameras; range finders for cameras; tripods for cameras; shutters for cameras; bellows for cameras; spools for cameras; slide projectors; self-timers for cameras; photographic flash units for cameras; flash lamps for cameras; viewfinders for cameras; lens filters for cameras; lens hoods for cameras; flash guns for cameras; film magazines for cameras; shutter releases for cameras; lenses for photographic apparatus; movie projectors; cinematographic cameras; projection screens for movie films; editing machines for movie films; sound recording apparatus and instruments being cinematographic apparatus; body-tubes for telescopes being lens-barrels; tripods for telescopes; periscopes; binoculars; reflectors for telescopes; prisms for telescopes; telescopes; lenses for telescopes; electronic circuits and CD-ROMs recorded with programs for hand-held games with liquid crystal displays; metronomes; electronic circuits and CD-ROMs recorded with automatic performance programs for electronic musical instruments; 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