Optical and magneto-optical disc players and recorders for audio, video and computer data; blank optical and magneto-optical discs, pre-recorded optical and magneto-optical discs featuring music, text data, still images and motion pictures; televisions; video cameras; digital still cameras; computers; digital satellite broadcasting systems, namely, receivers, transmitters and antennas for satellite broadcasting, all for using the aforesaid optical and magneto-optical discs as a recording media