(19)

(11)

EP 1 932 207 A1

(12)

(43) Date of publication: 18.06.2008 Bulletin 2008/25 (21) Application number: 06778511.3 (22) Date of filing: 31.08.2006

(51) International Patent Classification (IPC):  H01Q 1/24(2006.01) H01Q 9/04(2006.01) H04B 1/59(2006.01) H01Q 1/38(2006.01) H01Q 5/02(2006.01) G06K 19/077(2006.01) (86) International application number: PCT/FI2006/000291 (87) International publication number: WO 2007/026048 (08.03.2007 Gazette 2007/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 02.09.2005 FI 20050874 (71) Applicant: Valtion Teknillinen Tutkimuskeskus VTT 02150 Espoo (FI)	(72) Inventor: HIRVONEN, Mervi FI-02120 Espoo (FI) (74) Representative: Simmelvuo, Markku Kalevi et al Papula Oy Mechelininkatu 1 a FIN-00180 Helsinki FIN-00180 Helsinki (FI)