(19)

(11)

EP 2 504 805 A2

(12)

(88) Date of publication A3: 14.07.2011 (43) Date of publication: 03.10.2012 Bulletin 2012/40 (21) Application number: 10831191.1 (22) Date of filing: 23.11.2010

(51) International Patent Classification (IPC):  G06Q 50/00(2012.01) (86) International application number: PCT/FI2010/000071 (87) International publication number: WO 2011/061384 (26.05.2011 Gazette 2011/21)

(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: 23.11.2009 FI 20096223 (71) Applicant: Valtion Teknillinen Tutkimuskeskus 02044 Vtt (FI)	(72) Inventor: ERKKILÄ, Kimmo FI-02044 VTT (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)