Multimedia optical disc which conforms to the motion picture rating systems in a variety of countries and a reproducing device for said disc
US5691972A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 7, 1996 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Oct 7, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8715
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multimedia disc made up of a video data storage region for storing a plurality of video data sequences, a management information storage region which stores management information, the management information comprising group information that shows which video data sequences have been grouped together to compose a group from reproduced, a level ID for each video data sequence in a which only one of the composing video data sequences is same group and a set of link information for each video data sequence which indicates a next video data sequence to be reproduced after completion of reproduction of a video data sequence in question, and a level map storage region for storing a separate table for each country/region, wherein each table for a country/region includes information which maps each sort level in a sorting system for the country/region to a level ID.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.