Disc cartridge having a rotatable shutter

Disc cartridge having a shutter that includes a convex...

Disc cartridge having a shutter that includes a convex...

Disc cartridge having annular shaped mating projections

Disc cartridge having annular shaped mating projections

Disc cartridge having deeper concave portion continuous with...

Disc cartridge having disc access opening

Disc cartridge having disc taking-out history detecting portion

Disc cartridge including an inner shell formed by severing a...

Disc cartridge with crank-shaped dust intrusion prohibiting...

Disc cartridge with mounting part of shutter slide portion...

Disc cartridge with shutter overlapping gap having labyrinth...

Disc cartridge with transparent windows

Disc cartridge, disc recording medium unit and disc recorder...

Disc cartridge, optical disk device, and method for...

Disc drive cartridge and disc drive apparatus to prevent...

Disc holder for discs having an interior hole, and method of...

Disc holder for discs having an interior hole, and method of...

Disc holder for discs having an interior hole, and method...

Disc protection casing and drive for receiving the same