Broadcast service receiving method and broadcast service receiving apparatus
US9712864B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2012 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Jul 31, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H2201/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a broadcast service receiving method of a broadcast receiving device. The method includes: receiving an video stream among a content transmitted as a broadcast service; generating a request message for at least one of signalling information on the broadcast service and signalling information on an adjunct service of the broadcast service on the basis of part of the received video stream; transmitting the generated request message to a server through an internet network; receiving a response message corresponding to the request message from the server; obtaining at least one of the broadcast service corresponding to the video stream and the adjunct service of the broadcast service on the basis of the received response message; and providing the obtained broadcast service and adjunct service, wherein the request message comprises first query information for specifying a request time interval and second query information for specifying at least one signalling table to be requested.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.