(19)
(11) EP 2 069 983 A2

(12)

(88) Date of publication A3:
05.06.2008

(43) Date of publication:
17.06.2009 Bulletin 2009/25

(21) Application number: 07826350.6

(22) Date of filing: 12.09.2007
(51) International Patent Classification (IPC): 
G06F 17/30(2006.01)
(86) International application number:
PCT/IB2007/053671
(87) International publication number:
WO 2008/035251 (27.03.2008 Gazette 2008/13)
(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 MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 19.09.2006 EP 06120872

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventors:
  • KEVENAAR, Thomas, A., M.
    NL-5656 AE Eindhoven (NL)
  • AKKERMANS, Antonius, H., M.
    NL-5656 AE Eindhoven (NL)

(74) Representative: Valkonet, Rutger et al
Algemeen Octrooi- en Merkenbureau P.O. Box 645
5600 AP Eindhoven
5600 AP Eindhoven (NL)

   


(54) METHOD AND APPARATUS FOR CALCULATING AN INDEX KEY