(19)
(11) EP 0 484 344 A1

(12)

(43) Date of publication:
13.05.1992 Bulletin 1992/20

(21) Application number: 90909478.0

(22) Date of filing: 29.06.1990
(51) International Patent Classification (IPC): 
G06F 15/ 18( . )
G06K 9/ 66( . )
G06N 3/ 08( . )
G10L 15/ 02( . )
G10L 15/ 16( . )
G06K 9/ 62( . )
G06N 3/ 04( . )
G06N 99/ 00( . )
G10L 15/ 08( . )
(86) International application number:
PCT/GB1990/001002
(87) International publication number:
WO 1991/000591 (10.01.1991 Gazette 1991/02)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 30.06.1989 GB 19890015085

(71) Applicant: BRITISH TELECOMMUNICATIONS public limited company
London WC1E 6BA (GB)

(72) Inventor:
  • WOODLAND, Philip, Charles
    Suffolk IP5 7SY (GB)

(74) Representative: Roberts, Simon Christopher 
BRITISH TELECOM Intellectual Property Unit 13th Floor 151, Gower Street
London, WC1E 6BA
London, WC1E 6BA (GB)

   


(54) PATTERN RECOGNITION