Patent ID: 6665261
Filing Date: 2003-12-16
Classification: G11B

Abstract:
A disk cartridge incorporating a disk-shaped recording medium and having an opening portion for enabling a recording and/or reproducing operation by a recording and/or reproducing device, comprising:a disk cartridge main body; a disk holder which is detachably mountable to said disk cartridge main body; wherein said opening portion of the disk cartridge is provided in said disk cartridge main body; wherein said opening portion is closed by a shutter arranged at said disk cartridge main body such that said disk-shaped recording medium is shielded from outside by said shutter 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, said shutter is moved and said opening portion is opened such that the recording and/or reproducing device can carry out reproducing or recording operation from or to said disk-shaped recording medium; wherein said disk holder is mountable to said disk cartridge main body along with said disk-shaped recording medium; wherein said disk holder is constituted by a structure which is detachable to outside of said disk cartridge main body along with said disk-shaped recording medium; and wherein said disk holder includes a pair of resilient and deformable disk holding members for holding an outer periphery of said disk-shaped recording medium.