(19)

(11)

EP 0 174 933 A1

(12)

(43) Date of publication: 26.03.1986 Bulletin 1986/13 (21) Application number: 84901938.0 (22) Date of filing: 23.05.1984

(51) International Patent Classification (IPC):  G07F 7/ 06( . ) (86) International application number: PCT/AU1984/000089 (87) International publication number: WO 1984/004835 (06.12.1984 Gazette 1984/28)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 23.05.1983 AU 19830014896 10.11.1983 AU 19830002353 14.11.1983 AU 19830002374 (71) Applicant: CARROLL, Noel Sherbrooke VIC 3789 (AU)	(72) Inventor: HANCOCK, George, Reginald Glenelg, S.A. 5045 (AU)