(19)

(11)

EP 1 212 837 A2

(12)

(88) Date of publication A3: 27.09.2001 (43) Date of publication: 12.06.2002 Bulletin 2002/24 (21) Application number: 00945653.4 (22) Date of filing: 10.07.2000

(51) International Patent Classification (IPC)7: H03M 3/00 (86) International application number: PCT/DK0000/382 (87) International publication number: WO 0105/037 (18.01.2001 Gazette 2001/03)

(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: 09.07.1999 DK 100499 (71) Applicant: Telital R & D Denmark A/S 9530 Stoevring (DK)	(72) Inventor: AMTOFT, Torben DK-9530 St vring (DK) (74) Representative: Elmeros, Claus  Patentgruppen ApS,Arosgaarden,Aaboulevarden 31 8000 Aarhus C 8000 Aarhus C (DK)