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(11)

EP 2 534 570 A1

(12)

(43) Date of publication: 19.12.2012 Bulletin 2012/51 (21) Application number: 11704385.1 (22) Date of filing: 09.02.2011

(51) International Patent Classification (IPC):  G06F 3/06(2006.01) G06F 17/30(2006.01) G06F 12/08(2006.01) (86) International application number: PCT/US2011/024249 (87) International publication number: WO 2011/100368 (18.08.2011 Gazette 2011/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 08.02.2011 US 23498 07.02.2011 US 22236 07.02.2011 US 22579 09.02.2010 US 302936 P 09.02.2010 US 302896 P 09.02.2010 US 302909 P (71) Applicant: Google Inc. Mountain View, CA 94043 (US)	(72) Inventors: VICKREY, Rebekah C. Mountain View, CA 94040 (US) DACHILLE, Frank C. Mountain View, CA 94040 (US) GHEORGHITA, Stefan V. CH-8041 Zurich (CH) ZUNGER, Yonatan Mountain View, CA 94040 (US) (74) Representative: Hackney, Nigel John et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)