(19)

(11)

EP 0 395 659 A1

(12)

(43) Date of publication: 07.11.1990 Bulletin 1990/45 (21) Application number: 88908729.0 (22) Date of filing: 06.10.1988

(51) International Patent Classification (IPC):  B42D 15/ 10( . ) G07F 7/ 12( . ) G06K 17/ 00( . ) (86) International application number: PCT/GB1988/000834 (87) International publication number: WO 1989/003314 (20.04.1989 Gazette 1989/09)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.10.1987 GB 19870023957 (71) Applicant: Vistramark Limited London W1Y 9LA (GB)	(72) Inventor: BROWN, David, Robert Warwick CV35 7LS (GB) (74) Representative: Price, Paul Anthony King, et al  D. Young & Co., 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)