System and method for delivering personalized advertising data
US7814521B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2007 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Aug 10, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is disclosed for distributing advertising data in an internet protocol television (IPTV) system, the method including dividing a plurality of end user devices in the IPTV system into K advertising groups; multicasting J advertising data multicast groups to end user devices in J advertising groups having a percentile ranking above or equal to a predetermined percentile ranking; and unicasting advertising data channels for actively viewed IPTV channels being viewed by other end users.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.