Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – By medium defect indicative control signal
Reexamination Certificate
2011-03-22
2011-03-22
Huber, Paul (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
By medium defect indicative control signal
C369S030100, C369S275300
Reexamination Certificate
active
07911898
ABSTRACT:
The drive apparatus of the present invention includes a recording/reproduction section and a drive control section. The drive control section determines a physical address indicating a location at which data can be recorded next in the determined track of a write-once recording medium as a next writable address, based on the last recorded address in the track; compares the physical address corresponding to the logical address included in the recording instruction with the next writable address; when the physical address corresponding to the logical address is smaller than the next writable address, controls the recording/reproduction section to record the data at a specific location in the user data area other than the location indicated by the physical address corresponding to the logical address in the recording instruction; generates new disc management information; and controls the recording/reproduction section to record the new disc management information in the disc management information area.
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Huber Paul
Matsushita Electric - Industrial Co., Ltd.
Snell & Wilmer L.L.P.
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