(19)

(11)

EP 0 214 983 A1

(12)

(43) Date of publication: 25.03.1987 Bulletin 1987/13 (21) Application number: 85902716.0 (22) Date of filing: 28.05.1985

(51) International Patent Classification (IPC):  G09F 7/ 00( . ) G09F 7/ 18( . ) (86) International application number: PCT/SE1985/000221 (87) International publication number: WO 1985/005716 (19.12.1985 Gazette 1985/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 28.05.1984 SE 19840002866 (71) Applicant: STRÖMBERG, Rolf S-245 00 Staffanstorp (SE)	(72) Inventor: STRÖMBERG, Rolf S-245 00 Staffanstorp (SE) (74) Representative: Ström, Tore, et al  Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188 S-203 13 Malmö S-203 13 Malmö (SE)