(19)

(11)

EP 0 917 699 A1

(12)

(43) Date of publication: 26.05.1999 Bulletin 1999/21 (21) Application number: 98900916.0 (22) Date of filing: 19.01.1998

(51) International Patent Classification (IPC):  G06F 3/ 00( . ) G09B 21/ 00( . ) G06F 3/ 01( . ) (86) International application number: PCT/GB1998/000162 (87) International publication number: WO 1998/032112 (23.07.1998 Gazette 1998/29)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IE IT LI NL SE (30) Priority: 20.01.1997 GB 19970001102 (71) Applicant: Nissen, John, Christian, Doughty London W4 2PR (GB)	(72) Inventor: Nissen, John, Christian, Doughty London W4 2PR (GB) (74) Representative: Hughes, Brian Patrick, et al  Brian Hughes & Co. Letterbox Cottage Friezley Lane Cranbrook, Kent TN17 2LL Cranbrook, Kent TN17 2LL (GB)