Method and device communicating a command
US7324159B2 · kind B2 · utility
19Cited by
23References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Jan 29, 2008 |
| Priority date | — |
| Expiry date | Dec 31, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2201/0065
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a method, a controlling device (110), a controllable device (130) and an arrangement (100) for communicating a command from the controlling device (110) to the controllable device (130). A watermark is generated comprising the command, and embedded in a signal (120) representing an audio or video fragment. The controllable device (130) receives the signal (120) comprising the command, and decodes and executes the command therefrom. Also disclosed is a method of presenting an advertisement which involves sending a command related to presenting the advertisement using the above-mentioned method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.