Patent ID: 9596510
Date: 2017-03-14
CPC Classifications: H04H,H04N

Claim:
1. A method for a broadcast receiving device to receive a broadcast, comprising: receiving a broadcasting signal through a tuner; receiving an uncompressed audio-visual (AV) content, other than the broadcasting signal, through a receiving unit; extracting characteristic information from the uncompressed AV content; transmitting a request message including the characteristic information to a server; receiving a plurality of triggers, including an identifier for identifying a triggered declarative object (TDO), and a trigger time for a segment constituting a time segment unit, based on the request from the server; receiving information on the segment; executing the TDO based on one of the plurality of triggers through a display unit, wherein the TDO is related to a link that is provided by a broadcaster; and outputting an adjunct service based on the link, wherein the executing the TDO comprises, activating the TDO, in the trigger time, when a receiving time of at least the one of the plurality of triggers is before or equal to the trigger time, activating the TDO at the receiving time of at the least the one of the plurality of triggers, when the receiving time of the at least the one of the plurality of triggers is after the trigger time.