(19)

(11)

EP 2 891 036 A1

(12)

(43) Date of publication: 08.07.2015 Bulletin 2015/28 (21) Application number: 12883601.2 (22) Date of filing: 31.08.2012

(51) International Patent Classification (IPC):  G06F 3/01(2006.01) (86) International application number: PCT/CN2012/080815 (87) International publication number: WO 2014/032265 (06.03.2014 Gazette 2014/10)

(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 Designated Extension States: BA ME (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052 (US)	(72) Inventors: LI, Mu Beijing 100080 (CN) CHEN, Xi Beijing 100080 (CN) (74) Representative: Fischer, Michael Maria et al Olswang Germany LLP IP Rosental 4 80331 Munich 80331 Munich (DE)