Differentiated PSIP table update interval technology
US8881199B2 · kind B2 · utility
1Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 2014 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | May 20, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.