Disk player

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel

Reexamination Certificate

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Details

C369S053340

Reexamination Certificate

active

07110333

ABSTRACT:
The present invention discloses a disk player for recording information on a disk and/or reproducing recorded information thereon. The disk player includes a wobble detection unit for detecting a wobble signal corresponding to a wobbling pattern formed along a track of the disk; and an information processing unit for detecting a pre-pit signal recorded on the disk using the wobble signal output from the wobble detection unit and a clock signal obtained by multiplying the wobble signal a predetermined number of times, and for processing the information recorded on the disk or the information to be recorded thereon according to the detected pre-pit signal. Since the detection of a synchronization signal can be performed more precisely, this disk player can reduce error in the recording and reproduction of data.

REFERENCES:
patent: 6081490 (2000-06-01), Kuroda et al.
patent: 6091682 (2000-07-01), Hikima
patent: 6137756 (2000-10-01), Yoshida et al.
patent: 6341110 (2002-01-01), Tawaragi
patent: 6552983 (2003-04-01), Yoshida et al.
patent: 6556523 (2003-04-01), Masui
patent: 6594215 (2003-07-01), Moriwaki
patent: 2001/0026515 (2001-10-01), Mochizuki et al.
patent: 0 872 838 (1998-10-01), None
patent: 0 945 866 (1999-09-01), None
patent: 0 967 612 (1999-12-01), None
patent: 0 977 191 (2000-02-01), None
patent: 2000-331411 (2000-11-01), None
patent: 2001-176069 (2001-06-01), None
patent: 2001-236738 (2001-08-01), None
JP 2000076655 English Abstract dated Mar. 14, 2000.

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