(19)

(11)

EP 1 924 957 A2

(12)

(88) Date of publication A3: 18.05.2007 (43) Date of publication: 28.05.2008 Bulletin 2008/22 (21) Application number: 06808834.3 (22) Date of filing: 08.09.2006

(51) International Patent Classification (IPC):  G06K 17/00(2006.01) (86) International application number: PCT/IB2006/002478 (87) International publication number: WO 2007/029110 (15.03.2007 Gazette 2007/11)

(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: 09.09.2005 IT TO20050612 (71) Applicant: Fondazione Torino Wireless 10121 Torino (IT)	(72) Inventor: ZEPPEGNO, Alessandro I-10034 Chivasso (IT) (74) Representative: Bergadano, Mirko et al Studio Torta S.r.l. Via Viotti, 9 10121 Torino 10121 Torino (IT)