Dynamic optical information storage or retrieval – Optical storage medium structure – Disk cartridge
Reexamination Certificate
2007-02-13
2007-02-13
Davis, David (Department: 2627)
Dynamic optical information storage or retrieval
Optical storage medium structure
Disk cartridge
Reexamination Certificate
active
11240452
ABSTRACT:
A disk cartridge has a reflection portion to identify a kind of a disk in the disk cartridge. A disk drive apparatus has an optical detector to identify the kind of the disk by irradiating a beam to the reflection portion and detecting the reflected beam. The disk cartridge and the disk drive apparatus provide identification marks for identifying the kind of the disk by varying the angle and amount of a beam reflected from the reflection portions on the disk cartridge. Therefore, the kind of a disk and the type of a disk format are identified as well as the storage capacity of the disk.
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Choi Han-kook
Chung Chong-sam
Kim Seok-jung
Kim Sun-mo
Lee Yong-hoon
Davis David
Stein, McEwen & Bui LLP
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