Apparatus and method for recording/reproducing data, which enable reading of data recorded even when the apparatus stops due to a power failure
US7356249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2001 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Apr 15, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/7921
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The hard disc is provided with two areas for storing file system management information and content management information. The disc recorder records double file system management information and content management information onto the hard disc. Further, information indicating a procedure for updating file system management information is described in a flash descriptor, and a procedure for updating content management information is described in a robust descriptor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.