Video display apparatus and operating method thereof
First Claim
1. A video display device comprising:
- a tuner configured to receive a broadcasting signal;
a receiver configured to receive an uncompressed audio or video (AV) content; and
an enhanced service manager circuit configured to extract characteristic information from a part of the uncompressed AV content, wherein the characteristic information includes at least one of a watermark and a fingerprint, transmit a first query to a first server, wherein the first query corresponds to the characteristic information, receive a first response corresponding to the first query from the first server, transmit a second query to a second server based on the first response, receive a second response corresponding to the second query from the second server, receive an application, for outputting an enhanced service, based on the second response, and execute the application based on the second response,wherein the first response includes a timestamp of the part of the uncompressed AV content and an address of the second server, andthe second response includes an address of the application, request period for the application and information on an acquisition path of the application.
1 Assignment
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Accused Products
Abstract
Provided are a video display device and a method of operating the same. The method includes: executing an enhanced service playing application not dependent on any single channel; obtaining an uncompressed audio video (AV) content; playing the uncompressed AV content through the display unit; attempting to obtain contents information on the uncompressed AV content on the basis of a part of the uncompressed AV content; transmitting an enhanced service request message to an enhanced service providing server not dependent on any single channel by the enhanced service; receiving an enhanced service from the enhanced service providing server; and playing the enhanced service through the display unit by the enhanced service playing application.
21 Citations
9 Claims
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1. A video display device comprising:
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a tuner configured to receive a broadcasting signal; a receiver configured to receive an uncompressed audio or video (AV) content; and an enhanced service manager circuit configured to extract characteristic information from a part of the uncompressed AV content, wherein the characteristic information includes at least one of a watermark and a fingerprint, transmit a first query to a first server, wherein the first query corresponds to the characteristic information, receive a first response corresponding to the first query from the first server, transmit a second query to a second server based on the first response, receive a second response corresponding to the second query from the second server, receive an application, for outputting an enhanced service, based on the second response, and execute the application based on the second response, wherein the first response includes a timestamp of the part of the uncompressed AV content and an address of the second server, and the second response includes an address of the application, request period for the application and information on an acquisition path of the application. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification