Method of detecting optical disc error information
US7505385B2 · kind B2 · utility
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3References
2Claims
0Family size
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Key dates
| Filing date | Apr 19, 2005 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Mar 8, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2020/10916
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of detecting optical disc error information on an optical disc, for applying in an optical disc drive, the method comprising: first, detecting whether the optical disc is blank, if not, perform the following: checking whether a seek error occurred, if yes, recording a seek error mark; while reading a data region, recording data error information, the data error information comprises an error count, and a corresponding data error location; finally, outputting the optical disk error information according to the data error information and the seek error mark.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.