(19)

(11)

EP 0 564 480 A1

(12)

(43) Date of publication: 13.10.1993 Bulletin 1993/41 (21) Application number: 92900340.0 (22) Date of filing: 06.12.1991

(51) International Patent Classification (IPC):  G07F 11/ 48( . ) (86) International application number: PCT/SE1991/000845 (87) International publication number: WO 1992/010817 (25.06.1992 Gazette 1992/14)

(84) Designated Contracting States: CH DE DK ES FR GB IT LI SE (30) Priority: 07.12.1990 SE 19900003922 (71) Applicant: AB BETJÄNTEN S-412 63 Göteborg (SE)	(72) Inventor: OLOFSSON, Lars S-411 19 Göteborg (SE) (74) Representative: Mossmark, Anders, et al  Albihn West AB, Box 142 S-401 22 Göteborg S-401 22 Göteborg (SE)