Data conversion apparatus and method in copyright protecting system
US7315829B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1999 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Sep 12, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/00007
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a data conversion apparatus of a copyright protecting system, a data format judging portion judges whether or not the data is of a super distribution format, attribute information obtaining unit identifies the audio contents of the data and obtains the attribute information corresponding to the identified audio contents from the external equipment via the data transmission/receiving portion; and a data format conversion portion converts the audio contents together with the obtained attribute information to the super distribution data format to be supplied to an external recording apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.