MP3 players; MP4 players; digital audio players and recorders which use integrated circuits as recording media; audio tape players and recorders; audio disc players and recorders; hard disc audio players and recorders; radio tuners; audio receivers; television receivers; liquid crystal display (LCD) televisions; plasma display panel (PDP) televisions; liquid crystal displays; liquid crystal display projectors; video tape players and recorders; video disc players and recorders; hard disc video players and recorders; set top boxes; video cameras; video cameras combined with video recorders and players; digital still cameras; cellular telephones; facsimile machines; personal digital assistants (PDAs); personal computers; scanners; computer printers; video game machines for use with televisions; computer application software for use in playing, recording and editing sound, image and data signals; computer application software for use in managing collections of sound, image and data signals on computer disc drives and computer software

Portable video game machines