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(11)

EP 1 972 138 A1

(12)

(43) Date of publication: 24.09.2008 Bulletin 2008/39 (21) Application number: 06848726.3 (22) Date of filing: 08.12.2006

(51) International Patent Classification (IPC):  H04N 7/173(2006.01) H04L 29/08(2006.01) G06F 17/30(2006.01) (86) International application number: PCT/US2006/047171 (87) International publication number: WO 2007/073468 (28.06.2007 Gazette 2007/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 23.12.2005 US 317911 23.12.2005 US 318244 (71) Applicant: United Video Properties, Inc. Los Angeles, CA 90028 (US)	(72) Inventors: ELLIS, Michael, D. Boulder, CO 80304 (US) KNEE, Robert, A. Lansdale, PA 19446 (US) MECHLER, Robert Pine Grove, CO 80470 (US) (74) Representative: Camp, Ronald et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)