Method of performing parental control a channel and an IPTV receiver
US8635641B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2008 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Aug 30, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64322
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for performing parental control a channel for building a channel map in an internet protocol television (IPTV) receiver and the IPTV receiver thereof are provided. The method includes receiving a master service information (SI) table including a first element defining location of a virtual channel map table, parsing the first element in the received master SI table, receiving the virtual channel map table including a second element defining location of a virtual channel description table based on the parsed location element, parsing the second element in the received virtual channel map table, receiving the virtual channel description table, which includes a third element indicating a default parental guidance rating of a virtual channel service when present, based on the parsed second element, parsing the third element in the received virtual channel description table, and controlling to allow ratings based on the type of parental guidance system according to the parsed third element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.