A disk player system comprises a disk player body including an outer casing and provided with a disk magazine insertion port through which a disk magazine is to be mounted in the disk player body which is capable of reading information recorded on a disk selectively taken out from a plurality of disks...http://www.google.sh/patents/US5101388?utm_source=gb-gplus-sharePatent US5101388 - Disk player system with an automatic magazine changer
