Patent ID: 6507560
Filing Date: 2003-01-14
Classification: G11B

Abstract:
A disc cartridge for receiving a disc-shaped recording medium therewithin, comprising:said recording medium which is insertable and removable from said disc cartridge, said disc cartridge having an insertion and removal port opening and closing member; and said disc insertion and removal port opening and closing member being moved from said disc cartridge when taking out said recording medium; wherein said disc cartridge has a locking member for locking said insertion and removal port opening and closing member, said locking member being movable along an inwardly directed moving path from a locking position with respect to an outer portion of said disc cartridge toward another position in a direction of a central portion of said disc cartridge; wherein at least a part of a locking cancellation preventing member which prevents said locking member from moving for canceling the locking is arranged along a portion of said inwardly directed moving path for said locking member at least between said locking position and said another position; and wherein said locking cancellation preventing member is a portion for recognizing a history of insertion and removal of said recording medium.