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

Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge

Reexamination Certificate

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C720S720000, C360S133000

Reexamination Certificate

active

06871354

ABSTRACT:
A disk cartridge includes a case, substantially rectangular in shape, provided with a disk-shaped rotatable recording medium therein, the case including a plurality of windows through which the recording medium is exposed and a recording or reproducing head is inserted when recording or reproducing, and shutters provided for the plurality of windows respectively, that are capable of opening and closing so as to cover the plurality of windows when recording or reproducing is not performed, a first window and a second window of the plurality of windows being formed on one surface, and a width of the first window in an opening and closing direction of the shutters being wider than that of the second window. With this arrangement, it is possible to provide a disk cartridge capable of adopting for both a driving device for a small-sized disk and a driving device for a large-sized disk.

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patent: 5422775 (1995-06-01), Martin
patent: 5537389 (1996-07-01), Kuwa et al.
patent: 5570342 (1996-10-01), Kosaka
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patent: 6459677 (2002-10-01), Shiomi et al.
patent: 6741537 (2004-05-01), Sanada et al.
patent: 06-131841 (1994-05-01), None
patent: 2002056601 (2002-02-01), None

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