(19)

(11)

EP 0 266 388 A1

(12)

(43) Date of publication: 11.05.1988 Bulletin 1988/19 (21) Application number: 87902617.0 (22) Date of filing: 21.04.1987

(51) International Patent Classification (IPC):  G06K( . ) G07F 7/ 12( . ) G06T 7/ 00( . ) G07C( . ) G06K 9/ 00( . ) G07C 9/ 00( . ) (86) International application number: PCT/GB1987/000262 (87) International publication number: WO 1987/006378 (22.10.1987 Gazette 1987/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 19.04.1986 GB 19860009620 (71) Applicant: IMAGEPACK LIMITED London EC4A 2AB (GB)	(72) Inventors: WHEATLEY, Richard Willingham Cambridgeshire CB4 5LS (GB) WHEATLEY, Malcolm, Robert, Henry Cambridgeshire PE18 8HS (GB) STOTEN, Philip, Anthony Bedfordshire (GB) (74) Representative: Godsill, John Kenneth  Haseltine Lake & Co. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)