Disc cartridge

摘要

A disc cartridge for receiving a disc-shaped recording medium therewithin which is capable of being inserted and removed from the disc cartridge. The disc cartridge has an insertion and removal port opening and closing member which is moved from the disc cartridge when taking out the recording medium. The insertion and removal port opening and closing member holds the disc-shaped recording medium and can take out the disc together with the insertion and removal port opening and closing member from a disc cartridge main body when taking out the insertion and removal port opening and closing member from the disc cartridge. The disc cartridge has a locking member and a locking cancellation preventing member which prevents said locking member from moving for canceling the locking and which serves as a portion for recognizing a history of insertion and removal of the recording medium.