Data recording and/or reproducing apparatus for demodulating data from a reproduction signal
US6982942B2 · kind B2 · utility
2Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | May 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B11/10506
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a data recording apparatus, values of parity bits to be additionally provided every one predetermined length block in data obtained by demodulating the original data are determined so as to satisfy a part of or an entire the predetermined run length limitation rule in ranges of a current predetermined length block, the plurality of parity bits, and a next predetermined length block that is positioned next to the current block. The parity bits having the values are additionally provided to the current block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.