AUTOMATICALLY MEDIUM CHANGING DEVICE AND ITS MAGAZINE

PURPOSE: To provide an auto-changer and a magazine respectively independently fixing trays of reproduction exclusive medium and a recordable/reproducible medium into one magazine, protecting the medium by constituting so that the medium hardly be taken out related to the recordable/reproducible medium and capable of being used for both of or coexistingly the reproduction exclusive medium and the recordable/reproducible medium. CONSTITUTION: The tray 27a and the tray 27b housed into the magazine 21 are fixed to the magazine 21 by a locking part (a) and the locking part (b) respectively. On the other hand, a release lever a 49 and the release lever b 50 energized by a release spring a 51 and the release spring b 52 are provided on the magazine holder part 53 of the auto-changer. Then, by the fact that the magazine 21 is inserted into the magazine holder part 53, the locking part a 47 and the locking part b 48 are pressed by the release lever (a) and the release lever (b), and the lock of the trays 27a and 27b for the magazine 21 are released, and the trays 27a and 27b are taken out from the magazine 21 freely.