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US 2003/0112738 A1Published application
Disc cartridge having a disc window that exposes one side of a disc
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsTeruyuki Takizawa, Yoshito Sazi, Kuniko Nakata, Hironori Okazawa
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Abstract
A disc cartridge according to the present invention includes a cartridge body and a shutter. 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 first side of the disc is exposed. The shutter is supported to, and movable with respect to, the cartridge body so as to expose or cover at least the head opening.
Claims38
A disc cartridge comprising:
- a cartridge body including a disc storage portion, a chucking opening and a head opening, wherein 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 first side of the disc is exposed;
- the chucking opening is formed on the bottom of the disc storage portion so as to get the disc chucked externally;
- and the head opening is also formed on the bottom of the disc storage portion so as to allow a head, which reads and/or writes a signal from/on the second side of the disc, to access the second side of the disc;
- and
- a shutter, which is supported to, and movable with respect to, the cartridge body so as to expose or cover at least the head opening.
2 more elements
Dependencies are inferred from the claim text.