(19)

(11)

EP 1 121 779 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99954786.2 (22) Date of filing: 07.10.1999

(51) International Patent Classification (IPC)7: H04L 9/00 (86) International application number: PCT/US9923/447 (87) International publication number: WO 0021/239 (13.04.2000 Gazette 2000/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.10.1998 US 168351 07.10.1998 US 168000 (71) Applicant: Nuvomedia Inc. Mountainview, CA 94041 (US)	(72) Inventors: TARPENNING, Marc Palo Alto, CA 94306 (US) KAVANAGH, Ben San Francisco, CA 94131 (US) SLESINSKY, Brian San Francisco, CA 94121 (US) (74) Representative: Manitz, Finsterwald & Partner GbR  Robert-Koch-Strasse 1 80538 München 80538 München (DE)