Patent ID: 9578378
Date: 2017-02-21
CPC Classifications: B05D,D21H,H04N

Claim:
1. A method of operating a video display device including a display unit, the method comprising: obtaining an uncompressed audio video (AV) content; playing the uncompressed AV content through the display unit; extracting a fingerprint from a part of the uncompressed AV content; obtaining a first response, from a content recognition server based on the fingerprint, wherein the first response includes a timestamp of the uncompressed AV content, and an address of an enhanced service providing server; transmitting a query, to the enhanced service providing server using the address of the enhanced service providing server; receiving a second response from the enhanced service providing server, wherein the second response includes an address of an enhanced service application, a request period for the enhanced service application, and information on an acquisition path of the enhanced service application; receiving the enhanced service application using the address of the enhanced service application; and executing the enhanced service application, wherein the enhanced service application comprises a function for a bookmark of the enhanced service application, and wherein the executing the enhanced service application comprises: