Patent ID: 6459677
Filing Date: 2002-10-01
Classification: G11B

Abstract:
A disc cartridge for housing a disc-shaped recording medium adapted for recording information signals thereon, comprising:a main cartridge body unit rotationally housing the disc-shaped recording medium, said main cartridge body unit including first and second wall sections with portions thereof facing the major surface of the disc-shaped recording medium, said first and second wall sections facing each other at a pre-set spacing from each other, a recording and/or reproducing opening facing said first and second wall sections for exposing a portion of a signal recording region of the disc-shaped recording medium across the inner and outer rims of the disc-shaped recording medium to outside, and a driving opening facing said first and second wall sections for exposing the center portion of the disc-shaped recording medium outside; and first and second shutter members for opening/closing said recording and/or reproducing opening and the driving opening; said first and second shutter members being supported in a horizontally co-planar relationship within said main cartridge body unit so as to be moved between said first and second wall sections.