(19)

(11)

EP 0 697 121 A1

(12)

(43) Date of publication: 21.02.1996 Bulletin 1996/08 (21) Application number: 94913685.0 (22) Date of filing: 22.04.1994

(51) International Patent Classification (IPC):  G07F 11/ 26( . ) (86) International application number: PCT/GB1994/000861 (87) International publication number: WO 1994/025941 (10.11.1994 Gazette 1994/25)

(84) Designated Contracting States: DE ES FR GB GR IE IT NL PT (30) Priority: 26.04.1993 GB 19930008635 07.09.1993 GB 19930018533 (71) Applicant: K.E. Group Limited Borough Green, Kent TN15 8JA (GB)	(72) Inventors: BETTS, David Ronald Tenterden, Kent TN30 7ZA (GB) HOLLEY, Alan Walter Maidstone, Kent ME14 5QR (GB) (74) Representative: Spence, Anne, et al  FRY HEATH & SPENCE The Old College 53 High Street Horley Surrey RH6 7BN Horley Surrey RH6 7BN (GB)