Patent · US Expired

Apparatus and methods for handling interactive applications in broadcast networks

US7752648B2 · kind B2 · utility

7Cited by
31References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2004
Grant dateJul 6, 2010
Priority date
Expiry dateSep 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.