Recording medium and system for recording and reproducing the recording medium
US7509022B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2000 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Jan 27, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8227
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording medium has a first recording area on which recording information is recorded as a set of recording units, and a second recording area on which control information for controlling the recording information to be recorded on the first recording area is recorded. Identifying information for identifying a management condition of the recording information recorded on the first recording area is also recorded on the second recording area at every recording unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.