(19)

(11)

EP 0 891 614 A1

(12)

(43) Date of publication: 20.01.1999 Bulletin 1999/03 (21) Application number: 97914458.0 (22) Date of filing: 27.03.1997

(51) International Patent Classification (IPC):  G09F 15/ 00( . ) (86) International application number: PCT/GB1997/000859 (87) International publication number: WO 1997/038411 (16.10.1997 Gazette 1997/44)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 03.04.1996 GB 19960007085 (71) Applicant: Guthrie, Raymond Brislington, Bristol BS4 5PT (GB)	(72) Inventor: Guthrie, Raymond Brislington, Bristol BS4 5PT (GB) (74) Representative: Dunlop, Brian Kenneth Charles, et al  c/o Wynne-Jones, Lainé & James 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ Cheltenham Gloucestershire GL50 1JJ (GB)