(19)

(11)

EP 1 969 524 A1

(12)

(43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 06830489.8 (22) Date of filing: 08.12.2006

(51) International Patent Classification (IPC):  G06K 9/00(2006.01) (86) International application number: PCT/EP2006/069497 (87) International publication number: WO 2007/071572 (28.06.2007 Gazette 2007/26)

(84) Designated Contracting States: DE GB (30) Priority: 23.12.2005 FR 0513218 (71) Applicant: Atmel Switzerland 1705 Fribourg (CH)	(72) Inventors: MAINGUET, Jean-François F-38100 Grenoble (FR) RAMEL, Romain F-38120 Saint Egreve (FR) JURY, Catherine F-38700 La Tronche (FR) (74) Representative: Guérin, Michel  Marks & Clerk France 31-33 Avenue Aristide Briand 94117 Arcueil Cedex 94117 Arcueil Cedex (FR)