(19)

(11)

EP 0 188 458 A1

(12)

(43) Date of publication: 30.07.1986 Bulletin 1986/31 (21) Application number: 85903064.0 (22) Date of filing: 01.07.1985

(51) International Patent Classification (IPC):  G06F 7/ 50( . ) G06F 7/ 509( . ) (86) International application number: PCT/LK1985/000001 (87) International publication number: WO 1986/001017 (13.02.1986 Gazette 1986/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 30.07.1984 LK 19250000094 (71) Applicant: KUMARASENA, Arya, Keerthi Nugegoda (LK)	(72) Inventor: KUMARASENA, Arya, Keerthi Nugegoda (LK)