(19)

(11)

EP 1 018 081 A1

(12)

(43) Date of publication: 12.07.2000 Bulletin 2000/28 (21) Application number: 97942552.7 (22) Date of filing: 17.09.1997

(51) International Patent Classification (IPC)7: G06F 17/00, G08G 1/137 (86) International application number: PCT/US9716/551 (87) International publication number: WO 9914/701 (25.03.1999 Gazette 1999/12)

(84) Designated Contracting States: AT BE CH DE ES FI FR GB IT LI NL SE (71) Applicant: Magellan Dis Inc. Rochester Hills, MI 48309 (US)	(72) Inventor: DEGRAAF, Brent, L. Canton, MI 48187 (US) (74) Representative: Shanks, Andrew et al Cruikshank & Fairweather,19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)