(19)

(11)

EP 0 706 667 A1

(12)

(43) Date of publication: 17.04.1996 Bulletin 1996/16 (21) Application number: 94918940.0 (22) Date of filing: 27.06.1994

(51) International Patent Classification (IPC):  B60K 31/ 00( . ) G01S 17/ 93( . ) G01S 17/ 66( . ) (86) International application number: PCT/GB1994/001379 (87) International publication number: WO 1995/001577 (12.01.1995 Gazette 1995/03)

(84) Designated Contracting States: BE DE ES FR GB IT NL SE (30) Priority: 02.07.1993 GB 19930013724 15.10.1993 GB 19930021320 (71) Applicant: GEC-MARCONI AVIONICS (HOLDINGS) LIMITED Stanmore, Middlesex HA7 4LY (GB)	(72) Inventor: BROWN, Martin, Richard Oxford OX2 6TL (GB) (74) Representative: Burrington, Alan, et al  GEC Patent Department, Waterhouse Lane Chelmsford, Essex CM1 2QX Chelmsford, Essex CM1 2QX (GB)