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(11)

EP 1 323 051 A1

(12)

(43) Date of publication: 02.07.2003 Bulletin 2003/27 (21) Application number: 01981345.0 (22) Date of filing: 02.10.2001

(51) International Patent Classification (IPC)7: G06F 15/00, G06F 17/21, G06F 15/16 (86) International application number: PCT/US0130/691 (87) International publication number: WO 0202/9590 (11.04.2002 Gazette 2002/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 02.10.2000 JP 2000302728 (71) Applicant: Hewlett-Packard Company Fort Collins, CO 80527-2400 (US)	(72) Inventor: YAMAMOTO, Akio Yokohama-shi,Kanagawa (JP) (74) Representative: Jenkins, Peter David et al PAGE WHITE & FARRER54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)