Information descriptor and extended information descriptor data structures for digital television signals
US7877769B2 · kind B2 · utility
42Cited by
71References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 2001 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Jul 6, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/84
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a type of meta data structure that provides data and/or or a link to such data that is used by an EPG generator in a DTV receiver to display visually-compelling information about an event. Such information can include: an icon associated with the broadcaster of the event and/or the source of the event; a graphic representing a rating of potentially-objectionable content in the event; a still image representative of or having a relation to the event; a video excerpt of or having a relation to the event; an advertisement related to the event, its broadcaster and/or its source; etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.