Apparatus and methods for handling interactive applications in broadcast networks
US7752648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2004 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Sep 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/47
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An interactive method includes receiving, at a display device, background video including a multiplicity of video frames, at least one of the multiplicity of video frames including a plurality of sub-pictures, each of the plurality of sub-pictures representing an alternative background, and switching, at the display device, between a first sub-picture of the plurality of sub-pictures and a second sub-picture of the plurality of sub-pictures. Related apparatus and methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.