| 摘要 |
A disc cartridge for receiving a disc-like recording medium therewithin which recording medium is capable of being inserted and removed from the disc cartridge. The disc cartridge includes an insertion and removal port opening and closing member, and the disc insertion and removal port opening and closing member is moved from the disc cartridge when taking out the recording medium. The disc cartridge has a locking member for locking the insertion and removal port opening and closing member. At least a part of a locking cancellation preventing member which prevents the locking member from moving for canceling the locking is arranged on a moving path of the locking member so as to cancel the locking. Further, the locking cancellation preventing member is a portion for recognizing a history of insertion and removal of the recording medium.
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