(19)

(11)

EP 0 077 782 A1

(12)

(43) Date of publication: 04.05.1983 Bulletin 1983/18 (21) Application number: 82901100.0 (22) Date of filing: 28.04.1982

(51) International Patent Classification (IPC):  G06K 7/ 14( . ) G06K 19/ 06( . ) (86) International application number: PCT/AU1982/000064 (87) International publication number: WO 1982/003935 (11.11.1982 Gazette 1982/27)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 29.04.1981 AU 19810008609 (71) Applicant: MORGAN, Denis James. West Ryde, N.S.W. 2114 (AU)	(72) Inventor: MORGAN, Denis James. West Ryde, N.S.W. 2114 (AU)