(19)

(11)

EP 0 631 684 A1

(12)

(43) Date of publication: 04.01.1995 Bulletin 1995/01 (21) Application number: 93906698.0 (22) Date of filing: 18.03.1993

(51) International Patent Classification (IPC):  G10C 1/ 06( . ) G10C 5/ 00( . ) G10C 3/ 16( . ) (86) International application number: PCT/GB1993/000559 (87) International publication number: WO 1993/019454 (30.09.1993 Gazette 1993/24)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.03.1992 GB 19920005956 (71) Applicant: BARTOS, Gabor Poynton, Cheshire SK12 1DW (GB)	(72) Inventor: BARTOS, Gabor Poynton, Cheshire SK12 1DW (GB) (74) Representative: McNeight, David Leslie, et al  McNeight & Lawrence Regent House Heaton Lane Stockport Cheshire SK4 1BS Stockport Cheshire SK4 1BS (GB)