(19)

(11)

EP 0 165 986 A1

(12)

(43) Date of publication: 02.01.1986 Bulletin 1986/01 (21) Application number: 85900483.0 (22) Date of filing: 20.12.1984

(51) International Patent Classification (IPC):  G06F 11/ 10( . ) G06F 11/ 14( . ) (86) International application number: PCT/GB1984/000445 (87) International publication number: WO 1985/002925 (04.07.1985 Gazette 1985/15)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.12.1983 GB 19830033984 (71) Applicant: HEMDAL, Göran Anders Henrik London SW14 7NQ (GB)	(72) Inventor: HEMDAL, Göran Anders Henrik London SW14 7NQ (GB)