(19)

(11)

EP 0 249 634 A1

(12)

(43) Date of publication: 23.12.1987 Bulletin 1987/52 (21) Application number: 87900559.0 (22) Date of filing: 12.12.1986

(51) International Patent Classification (IPC):  B41J 3/ 38( . ) B41K 3/ 36( . ) (86) International application number: PCT/US1986/002730 (87) International publication number: WO 1987/003539 (18.06.1987 Gazette 1987/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.12.1985 US 19850808623 (71) Applicant: DATA CARD CORPORATION Minnetonka, MN 55343 (US)	(72) Inventors: WARWICK, Dennis, J. Richfield, MN 55423 (US) HOWES, Ronald, B., Jr. Minneapolis, MN 55419 (US) (74) Representative: Graalfs, Edo, Dipl.-Ing. Patentanwälte Hauck, Graalfs, Wehnert, Döring, Siemons, et al  Postfach 30 24 30 D-20308 Hamburg D-20308 Hamburg (DE)