发明名称 |
Method for optically recording information and device for optically recording information by the same |
摘要 |
A method by which, in an optical disk recording and reproducing device, the time required for a test recording performed prior to an actual information recording can be reduced according to characteristics of an optical disk. A random pattern signal is transmitted from a random pattern signal generating circuit 3 and recorded on a test track on an optical disk 1 , and a bit error rate of a reproduction signal is measured. Only when a value of the bit error rate is not less than a fixed value, test pattern signals are transmitted from a test pattern signal generating circuit 4 and recorded. An edge timing of a reproduction signal is measured by an edge timing detecting circuit 13. Based on a result of the measurement, edge positions of a front-end pulse and a back-end pulse are corrected.
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申请公布号 |
US7088656(B2) |
申请公布日期 |
2006.08.08 |
申请号 |
US20050058806 |
申请日期 |
2005.02.15 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NARUMI KENJI;AKIYAMA TETSUYA;NISHIUCHI KENICHI;FURUKAWA SHIGEAKI |
分类号 |
G11B5/09;G11B7/0045;G11B7/125;G11B11/105;G11B19/04;G11B20/10;G11B20/18;G11B27/36 |
主分类号 |
G11B5/09 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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