(19)

(11)

EP 1 269 712 A2

(12)

(88) Date of publication A3: 27.12.2001 (43) Date of publication: 02.01.2003 Bulletin 2003/01 (21) Application number: 01915114.1 (22) Date of filing: 21.03.2001

(51) International Patent Classification (IPC)7: H04L 29/06, G06F 17/30, G06F 17/60 (86) International application number: PCT/DK0100/194 (87) International publication number: WO 0107/2006 (27.09.2001 Gazette 2001/39)

(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: 21.03.2000 DK 200000476 23.03.2000 US 191468 P (71) Applicant: Synkron A/S 8000 Arhus C (DK)	(72) Inventors: FREDERIKSEN, Martin DK-8000 Arhus C (DK) JOHANNSEN, Jens, Willy DK-8000 Arhus C (DK) THULESEN, Sören DK-8000 Arhus C (DK) (74) Representative: Plougmann & Vingtoft A/S  SundkrogsgadeP.O. Box 831 2100 Copenhagen O 2100 Copenhagen O (DK)