Replay appliance for recording media containing information blocks
US6578049B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99948
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A replay appliance for recording media containing information blocks, the appliance comprising means which are independent of the contents directory for access to files and information, and which allows replay even if the contents directory or file system is damaged. The appliance includes search means for searching for a designator of a file which is to be localized in blocks of the recording medium, evaluation means for determining the designator of following bytes which indicate a number of 2048 byte blocks from which the information block is composed, and the information block determined in this way is used for data access. The field of application of the invention extends to replay appliances for recording media containing information blocks, such as a hard disk, a digital versatile disk, which is also referred to as a DVD, a CD-ROM, floppy disk or a data tape, which have a recording format from the so-called Yellow Book.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.