Multimedia stream incorporating interactive support for multiple types of subscriber terminals
US6578201B1 · kind B1 · utility
82Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1998 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Nov 20, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8173
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multimedia stream incorporating interactive support for multiple types of subscriber terminals. The multimedia stream is created by multiplexing several component streams. The component streams include a video stream, an audio stream, and an interactive data stream. The interactive data stream includes data specific to different types of subscriber terminals multiplexed together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.