Apparatus for writing information on a data content on a storage medium
US8301906B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Jan 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2537
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for writing checksum information on a data content on a storage medium. The apparatus has a provider for providing checksum information based on the data content and a writer for writing the data content and the checksum information on the storage medium such that a baseline reader and an enhanced reader can read the data content, the enhanced reader can read and process the checksum information, and the baseline reader ignores, skips or does not read the checksum information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.