Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate
2004-09-13
2008-10-28
Miller, Brian E. (Department: 2627)
Dynamic optical information storage or retrieval
Optical storage medium structure
Disk cartridge
C720S738000
Reexamination Certificate
active
07444654
ABSTRACT:
An optical disc cartridge of the present invention includes: a casing provided with a disc inserting/opening part for inserting/taking out a disc thereinto/therefrom at an upper surface thereof and an access hole which an optical pickup approaches at a lower surface thereof; a pair of shutters mounted in the casing and opening/closing the access hole and fixing the optical disc; a rotary wheel rotatably positioned on the shutters and moving the shutters; a wheel fixing/releasing means mounted at one side in the casing and fixing/releasing the rotary wheel; and a disc fixing/releasing means movably mounted at the casing and limiting inserting/taking out the disc into/from the disc inserting/opening part by adjusting a size of the disc inserting/opening part. Accordingly, the optical disc cartridge having such a construction facilitates a job of accommodating/taking out a high density optical disc in/from a disc recording and/or reproducing apparatus, and an apparatus of recording or reproducing data on or from an optical disc, comprising: a driving unit rotating an optical disc inserted in the optical disc cartridge; and a recording or reproducing unit recording or reproducing data on or from the optical disc.
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Birch & Stewart Kolasch & Birch, LLP
Kayrish Matthew G
LG Electronics Inc.
Miller Brian E.
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