Hybrid recording medium and information recording apparatus
US7225192B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Mar 26, 2001 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Feb 7, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2562
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hybrid recording medium includes a read-only area in which a file is previously recorded, and a write area capable of updating and recording the file, characterized in that volume configuration information 21 and VTOC 22 about a file system are recorded in the write area is used in an information record apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.