(19)

(11)

EP 0 693 202 A1

(12)

(43) Date of publication: 24.01.1996 Bulletin 1996/04 (21) Application number: 94914041.0 (22) Date of filing: 05.04.1994

(51) International Patent Classification (IPC):  G11B 5/ 027( . ) G06K 1/ 12( . ) G06K 19/ 12( . ) G07F 7/ 08( . ) G11B 5/ 035( . ) G11B 5/ 58( . ) G11B 20/ 00( . ) G11B 20/ 10( . ) G11B 20/ 24( . ) G06F 1/ 00( . ) G11B 23/ 28( . ) G06F 21/ 00( . ) G06K 7/ 015( . ) G07D 7/ 04( . ) G07F 7/ 12( . ) G11B 5/ 54( . ) G11B 5/ 596( . ) G11B 20/ 02( . ) G11B 20/ 18( . ) G11B 21/ 10( . ) G11B 5/ 48( . ) G11B 33/ 10( . ) (86) International application number: PCT/US1994/003722 (87) International publication number: WO 1994/024639 (27.10.1994 Gazette 1994/24)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.04.1993 US 19930046040 09.04.1993 US 19930046071 10.03.1994 US 19940208997 (71) Applicant: WASHINGTON UNIVERSITY St. Louis, MO 63105 (US)	(72) Inventors: INDECK, Ronald, Scott Olivette, MO 63132 (US) MULLER, Marcel, Wettstein St. Louis, MO 63108 (US) O'SULLIVAN, Joseph, Andrew St. Louis, MO 63105 (US) (74) Representative: Lyons, Andrew John, et al  ROYSTONS Tower Building Water Street Liverpool L3 1BA Liverpool L3 1BA (GB)