(19)

(11)

EP 2 318 915 A1

(12)

(43) Date of publication: 11.05.2011 Bulletin 2011/19 (21) Application number: 09809374.3 (22) Date of filing: 05.08.2009

(51) International Patent Classification (IPC):  G06F 3/14(2006.01) (86) International application number: PCT/FI2009/050646 (87) International publication number: WO 2010/023353 (04.03.2010 Gazette 2010/09)

(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 MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 29.08.2008 WO PCT/EP2008/061439 19.12.2008 US 339351 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventors: BARNETT, Ricky St Albans Hertfordshire AL4 9TP (GB) DAVIDSON, Brian Goldsworth Park Woking Surrey GU21 3QD (GB) RICHARDSON, Nigel Rowledge Farnham Surrey GU10 4AR (GB) VANNS, Natalie Hildenborough Kent TN11 9ET (GB) (74) Representative: Aarnio, Ari Antero  Nokia Corporation Intellectual Property Department PO Box 407 00045 Nokia Group 00045 Nokia Group (FI)