(19)

(11)

EP 1 794 671 A2

(12)

(88) Date of publication A3: 26.10.2006 (43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05782929.3 (22) Date of filing: 14.09.2005

(51) International Patent Classification (IPC):  G06F 9/38(2006.01) (86) International application number: PCT/IB2005/053019 (87) International publication number: WO 2006/033056 (30.03.2006 Gazette 2006/13)

(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: 21.09.2004 EP 04104559 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: VAN BERKEL, Cornelis, H. NL-5656 AA Eindhoven (NL) SRINIVASAN, Balakrishnan NL-5656 AA Eindhoven (NL) (74) Representative: Röggla, Harald et al NXP Semiconductors Intellectual Property Department Gutheil-Schoder-Gasse 8-12 1101 Vienna 1101 Vienna (AT)