DISC CARTRIDGE

摘要

A disc cartridge includes a case for accommodating a disc and having an aperture hole formed in one surface of the case so that a recording/reproducing apparatus access a recording surface of the disc and an open hole formed in the other surface to be open to the outside, a shutter for opening/shutting the aperture hole, installed in the case, a disc holder installed at the side of the open hole to be capable of moving up and down, and covering a gap between an outer circumference of the disc and an inner surface of the open hole when the disc holder descends, and a shutter driving mechanism for moving the shutter so that the aperture hole is open/shut.