(19)

(11)

EP 0 326 560 A1

(12)

(43) Date of publication: 09.08.1989 Bulletin 1989/32 (21) Application number: 87906026.0 (22) Date of filing: 09.09.1987

(51) International Patent Classification (IPC):  G06F 5/ 00( . ) H03M 7/ 30( . ) G06F 7/ 22( . ) (86) International application number: PCT/SE1987/000406 (87) International publication number: WO 1988/002144 (24.03.1988 Gazette 1988/07)

(84) Designated Contracting States: DE FR GB IT NL SE (30) Priority: 09.09.1986 US 19860905237 (71) Applicant: INVENTRONIC DATA SYSTEMS AB S-161 39 Bromma (SE)	(72) Inventors: JEPPSSON, Claes, H kan S-114 55 Stockholm (SE) JEPPSSON, Tina, Helen S-113 30 Stockholm (SE) JEPPSSON, Martin, Vilhelm, Ivan S-161 39 Bromma (SE)