Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate
2007-11-09
2010-06-01
Klimowicz, William J (Department: 2627)
Dynamic optical information storage or retrieval
Optical storage medium structure
Disk cartridge
Reexamination Certificate
active
07730504
ABSTRACT:
A disc cartridge is provided. The disc cartridge in which is housed an optical disc includes a main cartridge body unit, rotatably housing an optical disc, and having an aperture for a head part for exposing a part of the optical disc to outside across the inner and outer rims of the optical disc, and a shutter unit mounted for movement to this main cartridge body unit for opening/closing the aperture for the head part. A recess into which is introduced a portion of a head part of the recording and/or reproducing apparatus is formed in continuation to the aperture for the head part in a surface of the main cartridge body unit on which slides a shutter unit in an area opposite to the area of movement of the shutter unit with the aperture for the head part in-between.
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Japanese Office Action dated Oct. 6, 2009.
Fukushima Takashi
Kanada Tokio
Kurita Kazuhito
Matsuda Mikinori
Yamada Takahiro
K&L Gates LLP
Klimowicz William J
Sony Corporation
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