(19)

(11)

EP 0 163 715 A1

(12)

(43) Date of publication: 11.12.1985 Bulletin 1985/50 (21) Application number: 85900149.0 (22) Date of filing: 06.12.1984

(51) International Patent Classification (IPC):  G06F 1/ 00( . ) G06F 21/ 00( . ) (86) International application number: PCT/GB1984/000419 (87) International publication number: WO 1985/002696 (20.06.1985 Gazette 1985/14)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 06.12.1983 GB 19830032532 (71) Applicant: GARDINER, Alexander Battison Ayrshire KA2 9EU (GB)	(72) Inventor: GARDINER, Alexander Battison Ayrshire KA2 9EU (GB)