(19)

(11)

EP 0 442 980 A1

(12)

(43) Date of publication: 28.08.1991 Bulletin 1991/35 (21) Application number: 90909759.0 (22) Date of filing: 27.06.1990

(51) International Patent Classification (IPC):  B60R 25/ 10( . ) G08B 13/ 16( . ) G01V 1/ 00( . ) (86) International application number: PCT/GB1990/000994 (87) International publication number: WO 1991/000579 (10.01.1991 Gazette 1991/02)

(84) Designated Contracting States: BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 05.07.1989 GB 19890015408 (71) Applicant: HCS DESIGN INNOVATIONS LIMITED Berkhamsted, Hertfordshire HP4 2BL (GB)	(72) Inventor: ELLIS, Anthony, Mark Surrey SM5 2LZ (GB) (74) Representative: Bowles, Sharon Margaret, et al  BOWLES HORTON Felden House Dower Mews High Street Berkhamsted Hertfordshire HP4 2BL Berkhamsted Hertfordshire HP4 2BL (GB)