Write-once read-many information recording medium,...

Details Write-once read-many information recording medium,... Write-once read-many information recording medium,...

2007-03-23

2009-02-24

Edun, Muhammad N. (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053300, C369S053410, C369S053170, C369S047100

Reexamination Certificate

active

07496018

ABSTRACT:
A write-once read-many information recording medium is provided, which is capable of easily searching for a latest DDS and a latest defect list. At least one disc management working area is sequentially allocated in a predetermined direction on the write-once read-many information recording medium of the present invention. The latest defect list and the latest DDS are provided in a recorded disc management working area neighboring a border between the recorded disc management working area and an unrecorded disc management working area, where the latest defect list precedes the latest DDS in the predetermined direction.

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International Search Report for corresponding Application No. PCT/JP2003/016057, mailed Jul. 30, 2004.
ECMA: “ECMA 260 Data interchange on 356mm optical disk cartridges—Worm, using phase-change technology capacity: 14.8 and 25 Gbytes per cartridge”; ECMA-Internation.ORG.; Jun. 1997; pp. 77-82; XP002289009.
ECMA: “ECMA 238 Data interchange on 130mm optical disk cartridges—Worm, using irreversible effects—capacity 2,6 Gbytes per cartridge”; ECMA-International. ORG.; Jun. 1996; pp. 54-61; XP002289010.
Sibling, co-pending U.S. Application filed on Mar. 23, 2007, (copy of claims provided; specification-see parent U.S. Appl. No. 10/540,728).

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