(19)

(11)

EP 2 186 014 A2

(12)

(88) Date of publication A3: 16.04.2009 (43) Date of publication: 19.05.2010 Bulletin 2010/20 (21) Application number: 08797417.6 (22) Date of filing: 07.08.2008

(51) International Patent Classification (IPC):  G06F 15/16(2006.01) G06F 13/00(2006.01) (86) International application number: PCT/US2008/072526 (87) International publication number: WO 2009/021138 (12.02.2009 Gazette 2009/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 08.08.2007 US 836019 08.08.2007 US 836069 (71) Applicant: Google, Inc. Mountain View, CA 94043 (US)	(72) Inventor: TSUN, Stephen Cupertino, California 95014 (US) (74) Representative: Schley, Jan Malte  Fish & Richardson P.C. Mies-van-der-Rohe-Straße 8 D-80807 München D-80807 München (DE)