Patent · US Active

Method of distributing video-on-demand over an internet protocol network infrastructure

US8001575B2 · kind B2 · utility

4Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2007
Grant dateAug 16, 2011
Priority date
Expiry dateSep 2, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/6408
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a method of operating a set-top box that is coupled to a video display, the set-top box being configured for communication with a video content provider. One embodiment of the method may include initiating display of a first portion of video content that is pre-loaded onto the set-top box and transmitting a request to subscribe to a first multicast service in response to initiating display of the first portion of the video content. The video content provider is configured to provide a second portion of the video content using the first multicast service.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.