(19)
(11) EP 1 145 242 A2

(12)

(43) Date of publication:
17.10.2001 Bulletin 2001/42

(21) Application number: 00965881.6

(22) Date of filing: 16.08.2000
(51) International Patent Classification (IPC)7G11B 20/00, G06F 1/00, H04L 9/08
(86) International application number:
PCT/EP0008/054
(87) International publication number:
WO 0118/807 (15.03.2001 Gazette 2001/11)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.09.1999 US 389825

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

(72) Inventor:
  • EPSTEIN, Michael, A.
    NL-5656 AA Eindhoven (NL)

(74) Representative: Hoekstra, Jelle 
Internationaal Octrooibureau B.V.Prof. Holstlaan 6
5656 AA Eindhoven
5656 AA Eindhoven (NL)

 
Remarks:
WIPO A3 publication data is not currently available.
 


(54) RECOVERY OF A MASTER KEY FROM RECORDED PUBLISHED MATERIAL