(19)

(11)

EP 0 653 083 A1

(12)

(43) Date of publication: 17.05.1995 Bulletin 1995/20 (21) Application number: 93913426.0 (22) Date of filing: 24.06.1993

(51) International Patent Classification (IPC):  G06K 7/ 10( . ) G07C 1/ 10( . ) (86) International application number: PCT/GB1993/001329 (87) International publication number: WO 1994/000827 (06.01.1994 Gazette 1994/02)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 24.06.1992 GB 19920013361 (71) Applicants: Squibbs, Robert Francis Bristol BS12 4DL (GB) HEPWORTH, John, Malcolm Crick, Northamptonshire NN6 7SR (GB)	(72) Inventors: Squibbs, Robert Francis Bristol BS12 4DL (GB) HEPWORTH, John, Malcolm Crick, Northamptonshire NN6 7SR (GB) (74) Representative: Hepworth, John Malcolm, et al  Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby, Warwickshire CV21 2DU Rugby, Warwickshire CV21 2DU (GB)