(19)

(11)

EP 0 220 185 A1

(12)

(43) Date of publication: 06.05.1987 Bulletin 1987/19 (21) Application number: 85903787.0 (22) Date of filing: 25.07.1985

(51) International Patent Classification (IPC):  G06G 1/ 00( . ) G09F 11/ 23( . ) G06G 1/ 08( . ) (86) International application number: PCT/AU1985/000168 (87) International publication number: WO 1986/001020 (13.02.1986 Gazette 1986/04)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 27.07.1984 AU 19840006246 (71) Applicant: LUCAS, Francis, James Mount Pleasant, W.A. 6153 (AU)	(72) Inventor: LUCAS, Francis, James Mount Pleasant, W.A. 6153 (AU)