Patent ID: 6108299
Filing Date: 2000-08-22
Classification: G11B

Abstract:
A disk cartridge system including different types of disk cartridges for use in a disk cartridge drive apparatus comprising:a first disk cartridge including a first case having a substantially rectangular shape with first, second, third and fourth edges, the first edge of the first case being delimited by a first corner portion connecting the first edge and the second edge and a second corner portion connecting the first edge and the third edge, the first case having a first cutout portion at both of the second and third edges and extending in a direction of and passing through a thickness of the first case, and a first disk being housed in the first case; anda second disk cartridge including a second case with a substantially rectangular shape with fifth, sixth, seventh and eighth edges, the fifth edge of the second case being delimited by a fifth corner portion connecting the fifth edge and the sixth edge and a sixth corner portion connecting the fifth edge and the seventh edge, the second case having a second cutout portion at both of the sixth and seventh edge and extending in a direction of a thickness of the second case without passing through the thickness of the second case, and a second disk being housed in the second case;wherein a length, width and the thickness of the first case are substantially equal to a length, width and the thickness of the second case; andwherein a diameter and thickness of the first disk are substantially equal to a diameter and thickness of the second disk.