(19)

(11)

EP 0 233 919 A1

(12)

(43) Date of publication: 02.09.1987 Bulletin 1987/36 (21) Application number: 86905109.0 (22) Date of filing: 13.08.1986

(51) International Patent Classification (IPC):  G06K 9/ 00( . ) G07C 9/ 00( . ) (86) International application number: PCT/US1986/001653 (87) International publication number: WO 1987/001224 (26.02.1987 Gazette 1987/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 16.08.1985 US 19850766331 03.09.1985 US 19850771188 16.06.1986 US 19860875023 (71) Applicants: ZEGEER, Jim Alexandria, VA 22314 (US) SPARROW, Malcolm, K. Maidstone, Kent, ME150AL (GB)	(72) Inventor: SPARROW, Malcolm K. Maidstone, Kent ME15 0AL (GB) (74) Representative: Ranson, Arthur Terence  W.P. Thompson & Co. Coopers Building Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)