(19)

(11)

EP 0 745 248 A1

(12)

(43) Date of publication: 04.12.1996 Bulletin 1996/49 (21) Application number: 95909148.0 (22) Date of filing: 15.02.1995

(51) International Patent Classification (IPC):  B60R 25/ 00( . ) B60R 25/ 10( . ) G08B 25/ 10( . ) H04B 7/ 26( . ) B60R 25/ 04( . ) G01S 5/ 02( . ) G08G 1/ 127( . ) H04Q 7/ 34( . ) (86) International application number: PCT/NZ1995/000014 (87) International publication number: WO 1995/022131 (17.08.1995 Gazette 1995/35)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.02.1994 NZ 19940250880 (71) Applicant: Network Technology Limited Massey, Auckland (NZ)	(72) Inventor: HARRIS, Kerry, Alan Auckland (NZ) (74) Representative: Brunner, Michael John, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)