(19)

(11)

EP 1 952 615 A1

(12)

(43) Date of publication: 06.08.2008 Bulletin 2008/32 (21) Application number: 06841271.7 (22) Date of filing: 22.11.2006

(51) International Patent Classification (IPC):  H04M 1/67(2006.01) G06K 9/00(2006.01) (86) International application number: PCT/EP2006/068763 (87) International publication number: WO 2007/060178 (31.05.2007 Gazette 2007/22)

(84) Designated Contracting States: DE GB (30) Priority: 25.11.2005 FR 0511970 (71) Applicant: Atmel Switzerland 1705 Fribourg (CH)	(72) Inventor: MAINGUET, Jean-François F-38100 Grenoble (FR) (74) Representative: Guérin, Michel  Marks & Clerk France 31-33 Avenue Aristide Briand 94117 Arcueil Cédex 94117 Arcueil Cédex (FR)