Information recording medium, information recording method and apparatus, and information playback method and apparatus
US6215746A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8047
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium of this invention has a first area which records common information which can be commonly played back by a plurality of types of information playback apparatuses provided by different manufacturers or distributors and complies with common standards, a second area which records specific information which can be played back by only an information playback apparatus of a specific type provided by a specific manufacturer or distributor, and a third area which records link information indicating the links between the common information and specific information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.