Disc cartridge and disc drive using the same

Details Disc cartridge and disc drive using the same Disc cartridge and disc drive using the same

2006-12-05

2006-12-05

Cao, Allen (Department: 2627)

Dynamic optical information storage or retrieval

Optical storage medium structure

Disk cartridge

C369S291100, C360S133000

Reexamination Certificate

active

07146625

ABSTRACT:
A disc cartridge includes a case accommodating a disc and having an aperture hole formed on a first surface of the case so that a recording/reproducing apparatus access a recording surface of the disc, and an open hole formed on a second surface to be open to an outside of the case, a shutter opening/shutting the aperture hole and installed in the case, a disc holder installed at a side defining the open hole to move up and down and covering a gap between an outer circumference of the disc and an inner surface of the side defining the open hole when the disc holder descends, and a shutter driving mechanism moving the shutter so that the aperture hole is open/shut. Thus, a passage through which dust is introduced toward an information area of the disc, and a gap formed at an outer circumference are blocked by the disc holder so that a possibility of contamination by dust can be reduced.

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patent: 6983477 (2006-01-01), Takizawa et al.
patent: 7003788 (2006-02-01), Shiomi et al.
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patent: 11345475 (1999-12-01), None
patent: 2001-283556 (2001-10-01), None

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