Method, optical disk drive and calibration system for...

Details Method, optical disk drive and calibration system for... Method, optical disk drive and calibration system for...

2008-01-15

2008-01-15

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

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

Mechanism control by the control signal

C369S059110

Reexamination Certificate

active

07319647

ABSTRACT:
A method, an optical disk drive and a calibration system for modifying a 2T write strategy to improve recording quality. The method includes driving the optical disk drive for burning a test odd mark and a test even mark on an optical disk, detecting signal waveforms associated with the test odd mark and the test even mark, adjusting a plurality of writing periods used for forming an even mark according to the signal waveform of the test even mark, and adjusting a plurality of writing periods used for forming an odd mark according to the signal waveform of the test odd mark without utilizing the adjusted writing periods for the even mark.

REFERENCES:
patent: 6324143 (2001-11-01), Fukuda
patent: 6982939 (2006-01-01), Powelson et al.
patent: 2002/0126604 (2002-09-01), Powelson et al.
patent: 2005/0219983 (2005-10-01), Noda
patent: 2006/0062117 (2006-03-01), Noguchi et al.
patent: P2003-85751 (2002-03-01), None
JP 2003-085751 (translation) Kato Tatsuya Mar. 20, 2003.

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