Disc cartridge having deeper concave portion continuous with...

Details Disc cartridge having deeper concave portion continuous with... Disc cartridge having deeper concave portion continuous with...

2007-06-26

2007-06-26

Renner, Craig A. (Department: 2627)

Dynamic optical information storage or retrieval

Optical storage medium structure

Disk cartridge

C360S133000

Reexamination Certificate

active

10486745

ABSTRACT:
A disc cartridge includes a cartridge body, a first shutter, a second shutter, and a rotational member. The cartridge body includes a disc storage portion, a chucking opening and a head opening. The disc storage portion has a disc window and a bottom and stores a disc, having first and second sides, therein so that the disc is rotatable in the disc storage portion and that the disc exposes the first side inside the disc window. The first and second shutters are provided on the bottom of the disc storage portion to expose or cover the head opening. The rotational member is provided over the first and second shutters inside the disc storage portion and is engaged with the first and second shutters in such a manner as to open or close the first and second shutters when rotates inside the disc storage portion.

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Saji et al., “Disc Cartridge”, filed Aug. 26, 2003, U.S. Appl. No. 10/469,062.

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