Telephone apparatus; facsimile machines; internet radios; video apparatus and equipments; audio apparatus and equipments; personal stereos; 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; vi...