(19)

(11)

EP 0 892 964 A1

(12)

(43) Date of publication: 27.01.1999 Bulletin 1999/04 (21) Application number: 97905884.0 (22) Date of filing: 11.02.1997

(51) International Patent Classification (IPC):  G06F 3/ 00( . ) G06F 3/ 033( . ) G06K 9/ 20( . ) G06F 3/ 01( . ) G06F 3/ 042( . ) G09B 21/ 00( . ) (86) International application number: PCT/US1997/002079 (87) International publication number: WO 1997/030415 (21.08.1997 Gazette 1997/36)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 13.02.1996 US 19960011561P (71) Applicant: Sears, James, T. Boulder, CO 80304 (US)	(72) Inventor: Sears, James, T. Boulder, CO 80304 (US) (74) Representative: Waxweiler, Jean, et al  Dennemeyer & Associates S.A., P.O. Box 1502 1015 Luxembourg 1015 Luxembourg (LU)