(19)

(11)

EP 0 484 455 A1

(12)

(43) Date of publication: 13.05.1992 Bulletin 1992/20 (21) Application number: 90913683.0 (22) Date of filing: 20.07.1990

(51) International Patent Classification (IPC):  G10L 17/ 00( . ) (86) International application number: PCT/US1990/003990 (87) International publication number: WO 1991/002347 (21.02.1991 Gazette 1991/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 28.07.1989 US 19890386425 (71) Applicant: GUERRERI, Stephen J. Cary, NC 27511 (US)	(72) Inventor: GUERRERI, Stephen J. Cary, NC 27511 (US) (74) Representative: Needle, Jacqueline, et al  W.H. BECK, GREENER & CO 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)