The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Apr. 25, 2007
Applicants:
Canhui Ou, Danville, CA (US);
Zhi LI, San Ramon, CA (US);
Yali Liu, Davis, CA (US);
Assignee:
ATT Knowledge Venturers, L.P., Reno, NV (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/10 (2006.01); H04N 7/173 (2006.01); G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
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.