Differentiated PSIP table update interval technology
US8776128B2 · kind B2 · utility
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6References
10Claims
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Key dates
| Filing date | Jul 12, 2013 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Jul 12, 2033 |
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.