Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing control signal
US8139917B2 · kind B2 · utility
6Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2003 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Feb 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/8205
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information record medium comprises video information for indicating a main-video, sub-video information for indicating a sub-video which can be displayed at least partially over the main-video, and sub-video control information including (i) a plurality of types of control information elements for display control of the sub-video information in various methods set in advance and (ii) type indicating information to indicate presence or absence, or effectiveness or ineffectiveness of the control information elements by each of the types.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.