Patent ID: 9661371
Date: 2017-05-23
CPC Classifications: H04N

Claim:
1. A method for a broadcast receiving device to receive a broadcast, comprising: receiving an uncompressed broadcast content from a broadcaster; extracting characteristic information from a frame of the uncompressed broadcast content; receiving a response including a timestamp of the frame of the uncompressed broadcast content and location information on a server; receiving a trigger from the server by using the location information, wherein the trigger includes an identifier for identifying a triggered declarative object (TDO), a trigger time indicating a timing for activating the TDO, and a trigger action indicating a state of the TDO; generating a command for the TDO based on the trigger, wherein the command only includes the trigger action; and transmitting the command for the TDO to a second screen device at a specific time designated by the trigger time, wherein the second screen device acts on the command for the TDO.