(19)

(11)

EP 0 326 556 A1

(12)

(43) Date of publication: 09.08.1989 Bulletin 1989/32 (21) Application number: 87905876.0 (22) Date of filing: 24.08.1987

(51) International Patent Classification (IPC):  B41J 3/ 38( . ) B41J 3/ 50( . ) G06K 1/ 12( . ) B41J 2/ 325( . ) B41J 13/ 00( . ) (86) International application number: PCT/US1987/002122 (87) International publication number: WO 1988/001941 (24.03.1988 Gazette 1988/07)

(84) Designated Contracting States: AT DE FR GB (30) Priority: 08.09.1986 US 19860905288 (71) Applicant: DATA CARD CORPORATION Minnetonka, MN 55343 (US)	(72) Inventors: WETZEL, Richard, M. Plymouth, MN 55447 (US) NUBSON, Richard, C. Eden Prairie, MN 55344 (US) (74) Representative: Silverman, Warren, et al  HASELTINE LAKE & CO. Hazlitt House 28 Southampton Buildings Chancery Lane London WC2A 1AT London WC2A 1AT (GB)