Method and apparatus for changing region code of digital versatile disc drive
US6788632B2 · kind B2 · utility
1Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2002 |
| Grant date | Sep 7, 2004 |
| Priority date | — |
| Expiry date | Mar 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2562
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital versatile disc (DVD) drive has a first memory for storing a region code and a source code, and a second memory for storing data temporarily. The method for changing the region code of the digital versatile disc drive comprises storing the source code in the second memory, and changing the region code in the first memory according to the source code stored in the second memory. The method and apparatus is capable of changing the region code of the digital versatile disc drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.