Writing method and disk recording apparatus

Details Writing method and disk recording apparatus Writing method and disk recording apparatus

2007-07-24

2007-07-24

Patel, Gautam R. (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

Reexamination Certificate

active

10626010

ABSTRACT:
Disclosed are a writing method and a disk recording apparatus for maintaining reproduction reliability relative to a rewritable disk recording medium of a zero link type. In one embodiment, a disk recording apparatus for a rewritable optical disk comprises a first timing detector having a first timing synchronized with a wobble reproduction signal of the rewritable optical disk, and a second timing detector having a second timing synchronized with a track reproduction signal of the rewritable optical disk. A phase difference detector is configured to detect a phase difference between the first timing and the second timing. A controller is configured to determine a recording area based on the detected phase difference. In another embodiment, a selector is configured to select a timing between the first timing and the second timing. A controller is configured to control the selector to select the timing based on the detected phase difference, and to record data on a recording track in accordance with the selected timing.

REFERENCES:
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patent: 6687204 (2004-02-01), Miyanabe et al.
patent: 6947364 (2005-09-01), Hogan et al.
patent: 2002/0099986 (2002-07-01), Eam
patent: 11-045514 (1999-02-01), None
patent: 2002-050109 (2002-02-01), None

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