Patent ID: 6711119
Filing Date: 2004-03-23
Classification: G11B

Abstract:
A disk cartridge incorporating a disk-shaped recording medium and having an opening portion for carrying out recording and/or reproducing operation by a recording and/or reproducing device:wherein the opening portion is closed such that the disk-shaped recording medium is shielded from outside by a shutter arranged at the disk cartridge when the disk cartridge is outside of the recording and/or reproducing device; wherein when the disk cartridge is inside of the recording and/or reproducing device, the shutter is moved and the opening portion is opened such that the recording and/or reproducing device can carry out reproducing or recording operation from or to the disk-shaped recording medium; wherein a disk holder is arranged at the disk cartridge; wherein the disk holder is constituted by a structure capable of detaching from a disk cartridge main body; wherein the disk holder can be mounted to the disk cartridge main body along with the disk-shaped recording medium; wherein the disk holder is constituted by a structure capable of being detached to outside of the disk cartridge main body along with the disk-shaped recording medium, the disk holder including a pair of resilient and deformable disk holding members which engage an outer periphery of the disk-shaped recording medium so as to hold the disk-shaped recording medium independent of any orientation of the disk holder and the disk-shaped recording medium when the disk holder is detached outside of the disk cartridge; and wherein the disk holder holds information in respect of the disk-shaped recording medium.