Video display apparatus and operating method thereof
US9888268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2014 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Dec 4, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a operating method of a video display device including a display unit. A receiving unit receiving a broadcasting signal through a tuner; obtaining an uncompressed audio or video (AV) content through a receiving unit, wherein the uncompressed AV content includes a promotion content; extracting a characteristic information, including at least one of a watermark and a fingerprint, from a part of the uncompressed AV content; transmitting a first query to a first server, wherein the first query corresponds to the characteristic information; receiving a first response from the first server, based on the transmitted first query; transmitting a second query to a second server based on the first response; receiving a second response from the second server, based on the transmitted second query; and executing a promotion application based on the second response. Furthermore, the promotion application controls a process for promoting a content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.