Optical disc and disc cartridge

Details Optical disc and disc cartridge Optical disc and disc cartridge

1997-03-17

1999-10-19

Klimowicz, William J

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

G11B 370

Patent

active

059700459

ABSTRACT:
An optical disc and a disc cartridge for accommodating the optical disc, wherein the disc cartridge accommodates a disc non-symmetrical in cross-section relative to the center of thickness of the disc, in which disc cartridge includes a main cartridge body portion and an opening/closure mechanism. The main cartridge body portion has an aperture via which to insert or take out the disc. The main cartridge body portion is configured for accommodating the disc only in the regular state of the disc which permits recording and/or reproduction of the disc. The opening/closure mechanism opens or closes the aperture.

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patent: 5150354 (1992-09-01), Iwata et al.
patent: 5530691 (1996-06-01), Fujisawa
patent: 5699209 (1997-12-01), Koizumi

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