(19)

(11)

EP 1 934 829 A2

(12)

(88) Date of publication A3: 30.08.2007 (43) Date of publication: 25.06.2008 Bulletin 2008/26 (21) Application number: 06802480.1 (22) Date of filing: 30.08.2006

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) (86) International application number: PCT/US2006/033537 (87) International publication number: WO 2007/027608 (08.03.2007 Gazette 2007/10)

(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: 30.08.2005 US 712146 P (71) Applicant: Google, Inc. Mountain View, CA 94043 (US)	(72) Inventors: LUK, Kun Shing San Jose, CA 95136 (US) ZHU, Huican Saratoga, CA 95070 (US) ZHU, Hongjun Los Altos, CA 94022 (US) (74) Representative: Betten & Resch  Patentanwälte Theatinerstrasse 8 80333 München 80333 München (DE)