(19)

(11)

EP 0 943 126 A1

(12)

(43) Date of publication: 22.09.1999 Bulletin 1999/38 (21) Application number: 97947765.0 (22) Date of filing: 05.12.1997

(51) International Patent Classification (IPC):  G06F 9/ 06( . ) G06F 9/ 44( . ) (86) International application number: PCT/GB1997/003264 (87) International publication number: WO 1998/025203 (11.06.1998 Gazette 1998/23)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 06.12.1996 GB 19960025443 (71) Applicant: JBA Holdings Plc Studley, Warwickshire B80 7AS (GB)	(72) Inventors: COWAN, Christopher George Rathoath, County Meath (IE) GILBERT, Nick John Broomsgrove, Worcestershire B61 7LN (GB) LYTTLE, William Graham Dudley DY6 9QY (GB) LEWIS, Gary Charles Bretforton, Worcestershire WR11 5QA (GB) (74) Representative: Lunt, Mark George Francis, et al  Dibb Lupton Alsop Fountain Precinct Balm Green Sheffield S1 1RZ Sheffield S1 1RZ (GB)