(19)

(11)

EP 1 285 393 A1

(12)

(43) Date of publication: 26.02.2003 Bulletin 2003/09 (21) Application number: 01932637.0 (22) Date of filing: 25.04.2001

(51) International Patent Classification (IPC)7: G06G 7/48 (86) International application number: PCT/US0113/337 (87) International publication number: WO 0108/4464 (08.11.2001 Gazette 2001/45)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 28.04.2000 US 200307 P 23.04.2001 US 840563 (71) Applicant: TRW, INC. Redondo Beach,California 90278 (US)	(72) Inventor: TSAI, Roger, S. Torrance, CA 90505 (US) (74) Representative: Schmidt, Steffen J., Dipl.-Ing.  Wuesthoff & Wuesthoff,Patent- und Rechtsanwälte,Schweigerstrasse 2 81541 München 81541 München (DE)