(19)

(11)

EP 1 690 175 A1

(12)

(43) Date of publication: 16.08.2006 Bulletin 2006/33 (21) Application number: 04798331.7 (22) Date of filing: 26.11.2004

(51) International Patent Classification (IPC):  G06F 3/023(2006.01) G06F 3/033(2006.01) (86) International application number: PCT/FI2004/000722 (87) International publication number: WO 2005/057391 (23.06.2005 Gazette 2005/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 02.12.2003 FI 20031758 06.02.2004 US 774253 (71) Applicant: Nokia Corporation 02150 Espoo (FI)	(72) Inventor: NURMI, Mikko FI-33500 Tampere (FI) (74) Representative: Kaukonen, Juha Veikko et al Kolster Oy Ab, Iso Roobertinkatu 23, P.O. Box 148 00121 Helsinki 00121 Helsinki (FI)