(19)

(11)

EP 0 333 826 A1

(12)

(43) Date of publication: 27.09.1989 Bulletin 1989/39 (21) Application number: 88908740.0 (22) Date of filing: 05.10.1988

(51) International Patent Classification (IPC):  G06T 7/ 00( . ) G07C 9/ 00( . ) G06K 9/ 00( . ) (86) International application number: PCT/GB1988/000824 (87) International publication number: WO 1989/003099 (06.04.1989 Gazette 1989/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 05.10.1987 GB 19870023299 (71) Applicant: IMAGEPACK LIMITED Cambridge (GB)	(72) Inventors: WHEATLEY, Richard 24 High Street Cambridge (GB) JANSONS, Davis 93 North Street Peterborough (GB) (74) Representative: Driver, Virginia Rozanne  Page White & Farrer 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)