Method for transmitting broadcast service, method for receiving broadcast service, and apparatus for receiving broadcast service
US9838741B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2012 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Aug 10, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a method of a receiver to receive a broadcast service. The method includes: receiving a content; obtaining information on an adjunct service of the broadcast service from the content; transmitting a trigger request according to the information on the adjunct service; receiving at least one trigger in response to the request; and performing a trigger action on a trigger target object at a trigger time on the basis of the received at least one trigger, wherein the received at least one trigger is located in a specific time segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.