DVD recording/reproducing apparatus having a high-speed copying capability
US6396998B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Sep 5, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A DVD recording/reproducing apparatus according to the present invention includes a copy range designator for designating a copy range of data to be copied from a source disc to a dubbing disc, a VOBU fetcher for fetching VOBU according to information designated by the copy range designator, a copy protection information fetcher for fetching copy protection information from control packs in the VOBU fetched by the VOBU fetcher, a copy protection information determiner for determining a type of copy protection type, such as copy-fully-permitted, only-once copy-permitted, or copy-prohibited according to the information from the VOBU fetcher, a copy protection information updater for updating the copy protection information when determined copying of data being permitted, and a disc drive for recording data thus processed into the dubbing disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.