Patent · US Active

Systems and methods for distributing video on demand

US8554941B2 · kind B2 · utility

4Cited by

23References

7Claims

0Family size

Assignee

AT&T Intellectual Property I, L.P. · US

Inventors

Kadangode K. Ramakrishnan · Berkeley Heights, US
Samrat Bhattacharjee · Silver Spring, US
Tae Won Cho · Austin, US
Vijay Kumar Baikampady Gopalkrishnan · Florham Park, US
Rittwik Jana · Montville, US
Divesh Srivastava · Summit, US

Key dates

Filing date	Aug 30, 2007
Grant date	Oct 8, 2013
Priority date	—
Expiry date	Oct 10, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04N21/632
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A method of providing content comprises making the content available on a central server, and surveying a plurality of peers for a portion of the content. The portion of the content from one of the peers is obtained when the portion of the content is available from the one of the peers, and obtained from the central server when the portion of the content is not available from the plurality of peers.

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