(19)

(11)

EP 0 826 202 A1

(12)

(43) Date of publication: 04.03.1998 Bulletin 1998/10 (21) Application number: 96913181.0 (22) Date of filing: 26.04.1996

(51) International Patent Classification (IPC):  G07C 5/ 00( . ) G08G 1/ 00( . ) G09F 19/ 22( . ) G07C 3/ 00( . ) G08G 1/ 09( . ) (86) International application number: PCT/US1996/005826 (87) International publication number: WO 1996/035196 (07.11.1996 Gazette 1996/49)

(84) Designated Contracting States: DE ES FR GB IT SE (30) Priority: 01.05.1995 US 19950431558 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: BANTLI, Heinrich Saint Paul, MN 55133-3427 (US) IHLENFELDT, Lynn, D. Saint Paul, MN 55133-3427 (US) KRUSE, John, M. Saint Paul, MN 55133-3427 (US) (74) Representative: VOSSIUS & PARTNER  Siebertstrasse 4 81675 München 81675 München (DE)